Chapter 7: Laptops and Other Mobile Devices PDF

Chapter 7: Laptops and Other Mobile Devices  Chapter 7 - Sections & Objectives  7.1 Characteristics of laptops and other mobile devices – Describe the features of mobile devices. – Describe the features of laptop components. – Compare the types of laptop displays.  7.2 Lapto...

Chapter 7: Laptops and Other Mobile Devices  Chapter 7 - Sections & Objectives  7.1 Characteristics of laptops and other mobile devices – Describe the features of mobile devices. – Describe the features of laptop components. – Compare the types of laptop displays.  7.2 Laptop Configuration – Explain how to configure power settings on laptops. – Explain how to configure wireless communication on laptops.  7.3 Laptop Hardware and Component Installation and Configuration – Explain how to remove and install laptop memory and adapter modules. – Explain how to remove and install laptop hardware.  7.4 Other Mobile Device Hardware Overview – Describe common mobile device ITEhardware. v7.0 – Describe the hardware components of specialty mobile  Chapter 7 - Sections & Objectives  7.5 Network Connectivity and Email – Explain how to configure wireless and cellular data settings. – Explain how to pair Bluetooth devices. – Explain how to configure email settings. – Explain how to synchronize data.  7.6 Preventive Maintenance for Laptops and other Mobile Devices – Explain how to schedule and perform laptop and mobile device maintenance.  7.7 Basic Troubleshooting Process for Laptops and other Mobile Devices – Explain the six steps of troubleshooting Laptops and other Mobile Devices. ITE v7.0 – 7.1 CHARACTERISTICS OF LAPTOPS AND OTHER MOBILE DEVICES  Mobility  Mobility in information technology means the ability to access information electronically from different locations outside of the home or office.  Mobile connectivity is limited only by the availability of cellular or data networks.  Mobile devices: have self-contained power (rechargeable batteries) are generally small and lightweight do not rely on other connected peripheral devices to operate.  Laptops  Laptops are portable computers that usually run full versions of operating systems such as Microsoft Windows, iOS or Linux.  Laptops can have the same computing power and memory resources as desktop computers.  Laptops integrate a screen, keyboard, and a pointing device, such as a touchpad, in one portable device.  Laptops can be run from an internal battery or from an electrical outlet.  They offer connectivity options such as wired or wireless Ethernet networking and Bluetooth.  Laptops offer device connection options such as USB and HDMI, but may lack the expansion capability of desktops. In order to make laptops more portable, some peripheral ITE v7.0 connection options may require additional hardware, such as a  Laptops vs Desktops  Common laptop features: Small and portable Hot-swappable drives and Smaller cooling devices peripherals Designed to product less heat Optical Drives Uses throttling to reduce Docking station or port replicator power consumption and PC Card or ExpressCard slots heat Status indicators, ports, slots, Integrated LCD display connectors, bays, jacks, vents, and a screen in lid keyhole are on the exterior of the Integrated keyboard and laptop mouse Security slots to physically  Most of the internal components that are designed for laptops cannot be used AC power source or secure the laptop for desktops rechargeable  Peripheral battery devices are interchangeable between a laptop and a desktop PC.  Smartphone Characteristics  Smartphones run special operating systems that are designed for mobile devices.  Smartphones may have limited OS upgradability and can require the purchase of a new model to take advantage of the latest OS features and apps.  Software for smartphones is usually limited to apps that can be downloaded from stores such as Google Play or the Apple App Store.  Smartphones use cellular connectivity options for voice, text, and data services.  Other data connections include  Smartphone Features  Most smartphones include global positioning system (GPS) functionality. A GPS receiver in the phone uses satellites to determine the geographic location of the device. Some apps allow a smartphone to act as a navigational GPS that provides guidance for driving, biking, or walking.  Devices without a GPS service can still determine the location, in a less precise way, by using info coming from nearby mobile service antennas or nearby Wi-Fi access points.  Another feature of some smartphones  Tablets and E-Readers  Tablets are similar to smartphones in that they use special mobile operating systems like Android or iOS.  Tablets usually offer Wi-Fi and Bluetooth connectivity and most have USB and audio ports.  Most of the apps that work on phones are also available for tablets.  Unlike smartphones, tablets normally have larger touch-screen displays.  Most tablets do not have the ability to access cellular networks and they usually do not include GPS receivers.  Tablets and E-Readers  E-readers, such as the Amazon Kindle, are special purpose devices with black and white displays that have been optimized for reading text.  Although they resemble tablets, they lack many of the features and functions that tablets provide.  Many have touch displays that make it easy to turn pages, change settings, and access eBooks online.  For connectivity, some offer free cellular data connections for downloading books from a specific store, but most rely on Wi-Fi.  E-reader battery life is usually Wearables: Smartwatches and Fitness Trackers  Wearables are smart devices that are meant to be worn on the body or attached to clothing.  Smartwatches are a type of wearable that includes a microprocessor, a special operating system, and apps. Sensors in the smartwatch can gather data about various aspects of the body and use Bluetooth to report this information back to another device. Some smartwatches can connect directly to a cellular network, utilize GPS location services, provide convenient displays for notifications from apps, and store and play music and playlists.  Fitness trackers are similar to smartwatches but are limited to monitoring the body such as physical activity, sleep, and exercise.  Wearables: Augmented and Virtual Realities  In Augmented Reality (AR), computer graphics are integrated with what is seen in the real world. The graphics overlays can range from cartoon characters in a game application to information for emergency management training for first responders.  In Virtual Reality (VR), a user wears a special headset which displays graphics from a separate computer.  Motherboards  The compact nature of laptops requires a number of internal components to fit in a small amount of space. The size restrictions result in a variety of form factors for a number of laptop components, such as the motherboard, RAM, CPU, and storage devices. Some laptop components, such as the CPU, may be designed to use less power.  Desktop motherboards have standard form factors. The standard size and shape allow motherboards from different manufacturers to fit into common desktop cases. Laptop motherboards vary by manufacturer and are proprietary. ITE v7.0  Internal Components  Laptop internal components are designed to fit into the confined spaces of the laptop form factor: RAM – Laptops use Small Outline Dual In-line Memory Modules (SODIMM) CPUs – Laptop processors are designed to use less power and create less heat than desktop CPUs SATA drives- Laptop storage devices are typically 1.8in or 2.5in in width. Solid-state drives – Laptops use SSD drives for high performance, small size, and low power consumption. ITE v7.0  Laptop Components  Features of Laptop Components External Features Unique to Laptops – Battery, Security keyhole, Docking Connector Common Input Devices and LEDs in Laptops – Touchpad, Pointing stick, Keyboard, Fingerprint readers, Microphone, Web camera, LED indicators Internal Components – Motherboards, RAM (SODIMMs), CPUs, Storage Special Function Keys – Display settings, Media options, Sleep states, WI-FI & Bluetooth functionality Docking Station vs. Port Replicator – Both add ports to laptop. DockingITE Station v7.0 adds the ability to connect to PCI cards, additional hard drives, and optical drives.  Special Function Keys  The purpose of the Function (Fn) key is to activate a second function on a dual- purpose key.  The feature that is accessed by pressing the Fn key in combination with another key is printed on the key in a smaller font or different color or with an icon.  Some examples of functions that can be accessed: Dual displays Volume settings Media options such as fast forward or rewind Keyboard backlight Screen orientation Screen brightness WiFi, cellular, and Bluetooth on or off Media options such as play or rewindITE v7.0 Touchpad on or off  LCD, LED, and OLED Displays  There are three types of laptop displays: Liquid-crystal display (LCD) - Commonly uses Twisted Nematic (TN) or In- Plane switching (IPS). Light-emitting diode (LED) – Uses less power and has a longer lifespan than LCD. Organic light-emitting diode (OLED) – Used commonly for mobile devices and digital cameras. ITE v7.0  Laptop Display Features  Some common laptop display features include: Detachable screens – Some laptops permit the touchscreen to be used like a tablet when the display is detached. Touch screens – Laptops with touchscreens have a special glass attached to the front of the screen known as a digitizer (used to convert user touch actions to digital input). Cutoff switches – A cutoff switch helps conserve power by turning off the display. ITE v7.0  Backlights and Inverters  Two common types of backlights are: Cold Cathode Fluorescent Lamp (CCFL) – used with LCD displays Light-emitting diode (LED) – used with LED displays  Display Components include: Backlights and Inverters Fluorescent backlight Inverter LED backlights ITE v7.0  Wi-Fi Antenna Connectors  Wi-Fi components include: Wi-Fi antenna connectors – Wi-Fi antennas in laptops are typically located in the laptop lid above the screen. Wi-Fi antenna leads – The Wi-Fi antenna is connected to a wireless card by an antenna wire and antenna leads. Wi-Fi antenna wire guides – The wires are fastened to the display unit by wire guides located on the sides of the screen. ITE v7.0  Webcam and Microphone  Most laptops today have a webcam and microphone built-in.  The webcam is normally positioned at the top, center of the display.  The internal microphone can often be found next to the webcam. Some manufacturers may place the microphone next to the keyboard, or on the side of the laptop. ITE v7.0 7.2 LAPTOP CONFIGURATION ITE v7.0  Power Management  Configuring laptop power settings to better manage power usage ensures that the battery is used efficiently.  Power management controls the flow of electricity to the components of a computer.  The Advanced Configuration and Power Interface (ACPI) creates a bridge between the hardware and the operating system and allows technicians to create power management schemes ACPI Power States to get the best performance from a laptop. State Description S0 The computer is on and the CPU is running. S1 The CPU and RAM are still receiving power, but unused devices are powered down. S2 The CPU Is off, but the RAM Is refreshed. The system Is in a lower mode than S1. The CPU is off, and the RAM is set to a slow refresh rate. This mode is often called "save to RAM". S3 This state is known as suspend mode. The CPU and RAM are off. The contents of RAM have been saved to a temporary file on the S4 hard disk. This mode is also called "save to disk”. This state is known as hibernate mode. ITE v7.0 S5 The computer is off.  Managing ACPI Settings in the BIOS  Technicians are frequently required to configure power settings by changing the settings in the BIOS or UEFI setup.  Configuring the power settings affects the following: System states Battery and AC modes Thermal management CPU PCI bus power management Wake on LAN (WOL)  The ACPI power management mode must be enabled in the BIOS or UEFI to allow the OS to configure the power management states. ITE v7.0  Bluetooth  The Bluetooth technical specification is described by the Institute of Electrical and Electronics Engineers (IEEE) 802.15 standard.  Bluetooth devices are capable of handling voice, music, videos, and data.  The distance of a Bluetooth personal area network (PAN) is limited by the amount of power used by the devices in the PAN The most common Bluetooth technology has a range of approximately 33 ft (10 m).  Security measures are included in the Bluetooth standard. The first time that a Bluetooth device connects, the device is authenticated using a PIN. This is known as pairing. Bluetooth ITE v7.0supports both 128-bit encryption and PIN authentication.  Bluetooth Laptop Connections  Windows activates connections to Bluetooth devices by default. If the connection is not active, look for a switch on the front face or on the side of the laptop. Some laptops may have a special function key on the keyboard to enable the connection.  If a laptop does not include Bluetooth technology, you can purchase a Bluetooth adapter that plugs into a USB port.  Before installing and configuring a device: Make sure that Bluetooth is enabled in the BIOS. Turn on the device and make it discoverable. Use the Bluetooth Wizard to search and discover Bluetooth devices that are in discoverableITE v7.0 mode.  Cellular WAN  Laptops with integrated cellular WAN capabilities require no software installation and no additional antenna or accessories. Some laptops may use a special function key on the keyboard to enable the connection or a physical switch on the front or side of the laptop.  Many cell phones provide the ability to connect other devices to the Internet. This connection, known as tethering, can be made using Wi-Fi, Bluetooth, or by using a USB cable.  When a cellular phone allows Wi-Fi devices to connect and use the mobile data network, this is called a hotspot. ITE v7.0 28  Wi-Fi  Laptops usually access the Internet by using wireless adapters.  Wireless adapters can be built-in or attached through a USB or expansion port Mini-PCI cards are capable of 802.11a, 802.11b, and 802.11g wireless LAN connections. Mini-PCIe and PCI Express Micro cards support the above standards and 802.11n and 802.11ac. ITE v7.0 Mini- Mini- PCI Express 7.3 LAPTOP HARDWARE AND COMPONENT INSTALLATION AND CONFIGURATION ITE v7.0  Express Cards  ExpressCard/54 Size: 75mm x 54mm Thickness: 5mm Interface: PCI Express, USB 2.0, or USB 3.0 Examples: Smart Card reader, Compact Flash reader, 1.8 inch disk drive  ExpressCard/34 Size: 75mm x 34mm Thickness: 5mm Interface: PCI Express, USB 2.0, or USB 3.0 Examples: Firewire, TV Tuner, Wireless ITE v7.0 NIC  Flash Memory  External Flash Drive A removable storage device that connects to an expansion port such as USB, eSATA, or Firewire. Flash drives provide fast access to data, high reliability, and reduced power usage.  Flash Cards A flash card is a data storage device that uses flash memory to store information. Flash cards are small, portable, and require no power to maintain data.  Flash Card Readers Most modern laptops feature a flash card reader for Secure Digital (SD) and SecureITEDigital v7.0 High Capacity  Smart Card Reader  A smart card is similar to a credit card, but has an embedded microprocessor that can be loaded with data. It can be used for telephone calling, electronic cash payments, and other applications. The microprocessor on the smart card can hold much more information than that of a magnetic stripe.  Smart card readers are used to read and write to smart cards.  There are two types of smart card readers: Contact - This type of reader requires a physical connection to the card, made by inserting the card into the reader Contactless - This type of reader works on a radio frequency that communicatesITEwhenv7.0 the SODIMM Memory  Most desktop computers use memory that fits into a DIMM slot.  Most laptops use a smaller profile memory module that is called Small Outline Dual In-line Memory Modules (SODIMM). Note: SODIMMs can be further classified by DDR version. Different laptop models require different types of SODIMMs.  On most laptops, RAM is inserted into slots behind a cover on the underside of the case. ITE v7.0  On some laptops, the  Overview of Hardware Replacement  Some parts of a laptop, typically called customer-replaceable units (CRUs), can be replaced by the customer. CRUs include components such as the laptop battery and RAM.  Parts that should not be replaced by the customer are called field-replaceable units (FRUs). FRUs include components such as the motherboard, LCD display, and keyboard.  The following are common repairs performed at local repair centers: Hardware and software diagnostics Data transfer and recovery Keyboard and fan replacement Internal laptop cleaning Screen repair LCD inverter and backlight repair ITE v7.0 Power  These are some signs that the battery may need to be replaced: The battery does not hold a charge. The battery overheats. The battery is leaking.  If you experience problems that you suspect are battery related, exchange the battery with a known, good battery that is compatible with the laptop. A replacement battery must meet or exceed the specifications of the laptop manufacturer. New batteries must use the same form factor as the original battery. Voltages, power ratings, and AC adapters must also meet manufacturer specifications. ITE v7.0 36  Internal Storage and Optical Drive  The form factor of an internal storage device is smaller for a laptop than for a desktop computer. Laptop drives are 1.8 in. (4.57 cm.) or 2.5 in. (6.35 cm.) in width.  Most storage devices are CRUs unless a warranty requires technical assistance. On most laptops, the internal hard drive and the internal optical drive are inserted into bays that are protected by a removable cover on the case. On some laptops, the keyboard must be removed to access these drives.  To view the currently installed storage ITE v7.0 devices, check the POST screen 7.4 OTHER MOBILE DEVICE HARDWARE ITE v7.0  Cell Phone Parts  The cell phone contains one or more of these field replaceable parts: Memory, a SIM card, and a battery.  A SIM card contains information used to authenticate a device to mobile telephone and data providers. The card can also hold user data such as personal contacts and text messages.  A Secure Digital (SD) card is used to add memory to many mobile devices.  When a mobile device malfunctions, it is usually sent to the manufacturer for repair or replacement. Wired Connectivity  A mini-USB cable is used to connect a mobile device to an electrical outlet charger or to another device in order to charge and/or transfer data.  A USB-C cable and port can be plugged in either direction and are used on mobile devices to connect to an electrical outlet charger or to another device in order to charge and/or transfer data.  A micro-USB cable is used to connect a mobile device to an electrical outlet charger or to another device in order to charge and/or transfer data.  A Lightning cable and port is used to connect Apple devices to host computers and other peripherals such as USB battery chargers, monitors, and cameras. ITE v7.0  Wireless Connections and Shared Internet Connections  Besides Wi-Fi, mobile devices also use the following wireless connections: Near field communication (NFC) – NFC enables mobile devices to establish radio communications with other devices by placing the devices close together or by touching them together. Infrared (IR) – If a mobile device is IR enabled, it can be used to control other IR controlled devices remotely, such as a TV, set top box, or audio equipment. Bluetooth – This allows data exchange over a short distance between two Bluetooth- enabled devices or connect to other Bluetooth-enabled peripheral devices, such as speakers or headphone  A smartphone’s internet connection can be shared with other devices. Tether – This uses your cellular phone as a modem for another device, such as a tablet or laptop. Mobile hotspot – A hotspot is whereITE v7.0 devices connect using Wi-Fi to share a  Wearable Devices  Wearable devices are clothing or accessories that have miniature computing devices. Smartwatches, fitness monitors, and smart headsets are some examples.  Fitness monitors measure and collect activity data and can connect with other Internet-connected devices to upload the data for later review.  VR headsets provide the wearer with a complete immersion experience shutting out the physical world.  Augmented reality (AR) headsets overlay digital elements to a live view of the physical world often using the ITE v7.0 camera of a smartphone.  Specialty Devices  There are many other types of smart devices that benefit from network connectivity and advanced functions.  Global Positioning System (GPS) is a satellite-based navigation system. Can be enabled or disabled. GPS satellites are located in space and transmit signals back to Earth.  An electronic reader, or e-reader, is a device optimized for reading electronic books, e-books, newspapers, and other documents. These have Wi-Fi or cellular connectivity for downloading content.  Geotagging is embedding the location metadata on an object, like a digital photograph, to record ITE v7.0where it was taken. 7.5 NETWORK CONNECTIVITY AND EMAIL ITE v7.0  Wireless Data Networks  The ability of a laptop, tablet, or cell phone to wirelessly connect to the internet has provided people with the freedom to work, learn, communicate, and play wherever they want.  Mobile devices typically have two wireless internet connectivity options: Wi-Fi - Wireless network connection is provided using local Wi-Fi settings. Cellular - Wireless network connection is provided for a fee using cellular data. Cellular networks require cellular towers and satellites to create a mesh of global coverage. ITE v7.0 Cellular Communication Standards  Cellular standards have not been adopted uniformly around the world so some cell phones may only work in one country and not operate in other countries.  Evolve approximately every 10 years. 1G – Introduced in the 1980s, first generation (1G) standards used analog standards. 2G - Introduced in the 1990s, the second generation (2G) standards switched from analog to digital standards. 2G provided speeds up to 1 Mb/s and supported higher call quality. 2G also introduced Short Message Service (SMS) and Multimedia Message Service (MMS). 3G – Introduced in the late 1990s, third-generation (3G) standards enabled speeds up to 2 Mb/s to support mobile internet access, web browsing, video calls, video streaming, and picture sharing. 4G – Introduced in the late 2000s, 4G standards enables speeds of 100 Mb/s and up to 1Gb/s to support gaming services, high-quality video conferencing, and high- definition television. Long Term Evolution (LTE) adds improvements to 4G. 5G – Introduced in 2019, 5G is the latest standard. It is more efficient than previous standards and may support speeds upITE tov7.0 20 Gb/s.  Airplane Mode  Most mobile devices have a setting called Airplane Mode. This setting turns off all cellular, as well as Wi-Fi and Bluetooth radios. Most mobile device functions are still usable, but communication is not possible. ITE v7.0  Hotspot  A hotspot is when a cellular device is used to provide an internet connection to other devices. A cell phone can be used as a bridge to the internet, through the cellular carrier’s network. The Wi-Fi devices could select the cellular device at its Wi-Fi connection.  To enable an iOS device to become a personal hotspot, touch Personal Hotspot The iOS Personal Hotspot feature can also connect Bluetooth or USB connected devices ITE v7.0 to the internet.  Bluetooth for Mobile Devices  Commonly used with hands-free devices.  Common Bluetooth devices for mobile devices include: Wireless speakers Wireless headphones Wireless keyboard or mouse Wireless gaming consoles ITE v7.0  Bluetooth Pairing  Bluetooth pairing is when two Bluetooth devices establish a connection to share resources. When a Bluetooth device is in discoverable mode, it transmits Bluetooth and device information such as device name, services that the device can use, Bluetooth class and device name.  During the pairing process, a PIN may be requested to authenticate the pairing process The PIN is often a number, but can also be a numeric code or passkey. The PIN is stored using pairing services, so it does not have to be entered the next time the device tries to connect. ITE v7.0  Introduction to Email  The email structure relies on email servers and email clients  Email servers require email software such as Microsoft Server Exchange. Exchange is also a contact manager and calendaring software. It uses a proprietary messaging architecture called Messaging Application Programming Interface (MAPI). – MAPI is used by the Microsoft Office Outlook client to connect to Exchange servers, to provide email, calendar, and contactITEmanagement. v7.0  Digital Certificates  A digital certificate, also known as a public key certificate, is used to cryptographically link ownership of a public key with the entity that owns it.  Digital certificates are for sharing public keys to be used for encryption and authentication.  Digital certificates are also used in other contexts, both online and offline, for providing cryptographic assurance and privacy of data. ITE v7.0  Introduction to Email  Email clients and servers use various protocols and standards to exchange emails. Post Office Protocol 3 (POP3) Internet Mail Access Protocol Simple Mail Transfer Protocol (IMAP) 1. This is an email client protocol that is Email client similar to POP3 except (SMTP) used to retrieve emails from that it synchronizes email folders Email clients use SMTP to send a remote server over TCP/IP. between the server and client and email to servers. 2. It enables a client to connect to an downloads copies of the email from Email servers also use SMTP to send email server, download the the email server. emails to other email servers. user email from the server, IMAP is faster than POP3 but requires A message is sent only after and then disconnect. more disk space and more CPU recipients are identified and verified. 3. POP3 typically does not leave a copy resources. SMTP is text-based and uses only of the email on the server. It is often used in large networks, ASCII encoding and requires MIME 4. POP3 uses TCP port 110 (non- such as a university campus. to send all other file types. encrypted) and 995 (Secure SSL). The most recent version of IMAP is SMTP uses TCP port 25 (non- 5. Compare with IMAP. IMAP4 encrypted), 587 (Secure TLS), and Secure Sockets IMAP uses Layer TCP port 143(SSL) (non- Multipurpose Internet Mail Extension 465 (Secure SSL). encrypted), SSL 143 (Secure was developed TLS), and to transmit (MIME) 993 (Secure MIME is normally used in conjunction files securely.SSL). Most email clients and servers with SMTP. Mime extends the text-based email support encryption of emails. format to include other formats. such as pictures and word processor 53  Introduction to Email  Email clients have to be installed on a mobile device. Many clients are configurable using a wizard, however, you still need to know key information to set up an email account. Email Account Information Description  This is the address people need to send email to you. Email Address  An email address is a username followed by the @ symbol and the domain of the email server ([email protected]). Display Name  This can be your real name, nickname, or any name that you want people to see.  Mail protocols are used by the incoming mail server. Email Protocols  Different protocols provide different email services. Incoming and  These names are provided by the network administrator or ISP. Outgoing Mail Server Names  This consists of the username that is used to log in to the mail server, and Account Credentials the account password. ITE v7.0  Always use strong passwords.  Android Email Configuration  Android devices are capable of using advanced communication applications and data services. Many of these applications and features require the use of web services provided by Google.  When you configure an Android mobile device for the first time, you are prompted to sign in to your Google account with your Gmail email address and password. By signing in to your Gmail account, the Google Play store, data and settings backup, and other Google services become accessible. The device synchronizes contacts, email messages, apps, downloaded content, and otherITEinformation v7.0 from Google services.  iOS Email Configuration  iOS devices ship with a stock Mail app which can handle multiple email accounts simultaneously. The Mail app also supports a number of different email account types including iCloud, Yahoo, Gmail, Outlook and Microsoft Exchange.  An Apple ID is required to set up an iOS device. An Apple ID is used to access the Apple App Store, the iTunes Store, and iCloud. All of the iOS devices, apps, and content are linked to your Apple ID. ITE v7.0  Internet Email  Email service is provided using either: Local email – The email server is managed by a local IT department such as a school network, business network, or organizational network. Internet email – The email service is hosted on the internet and controlled by a service provider such as Gmail. ITE v7.0  Types of Data to Synchronize  Data synchronization is the exchange of data between two or more devices while maintaining consistent data on those devices.  There are many different types of data to synchronize: Contacts Bookmarks Applications Location data Email Social media Pictures, Music, Videos, data Documents E-books Calendar Passwords  Enabling Synchronization  Sync typically means data synchronization.  Android devices can synchronize your contacts and other data including that from Facebook, Google, and Twitter.  iOS devices support two types of synchronizing: Backup - Copies your personal data from your phone to your computer and includes application settings, text messages, voicemails, and other data types. Sync - Copies new apps, music, video, or books from iTunes to your phone and from your phone to iTunes, resulting in full synchronization on both devices.  A few more useful options are available when performing Sync or Backup on iOS: Backup storage location Backup straight from an iOS device Sync over Wi-Fi Synchronization Connection Types  To synchronize data between devices, the devices use USB or Wi-Fi connections.  Most Android devices do not have a desktop program for performing data synchronization. Most users sync with Google’s different web services. 7.6 PREVENTIVE MAINTENANCE FOR LAPTOPS AND OTHER MOBILE DEVICES  The Reason for Maintenance  Because laptops and mobile devices are portable, they are used in different types of environments. As a result, they are more likely than desktop computers to be exposed to harmful materials and situations, including dirt and contamination, spills, drops, excessive heat or cold, and excessive moisture.  In a laptop, many components are placed in a very small area directly beneath the keyboard.  Laptop Preventive Maintenance Program  The preventive maintenance schedule for a laptop may include practices that are unique to a particular organization but should also include the standard procedures of cleaning, hard drive maintenance, and software updates.  Routine maintenance includes the monthly cleaning of these laptop components: Exterior case Cooling vents and I/O ports Display Keyboard Touchpad  When cleaning a laptop, use nonabrasive materials including ITE v7.0 compressed air, mild cleaning solutions, cotton swabs, and a  Mobile Device Preventive Maintenance Program  Mobile devices can be damaged by drops, excess moisture, heat, or cold  The touchscreen should be protected using a screen protector.  Preventative maintenance for mobile devices requires only three basic tasks: Clean using a soft, lint-free cloth and cleaning solution designed for a touchscreen. Back up the data to another source or to a cloud drive. Update the operating system and applications when available. ITE v7.0 7.7 BASIC TROUBLESHOOTING PROCESS FOR LAPTOPS AND OTHER MOBILE DEVICES ITE v7.0  The Troubleshooting Process Step 1 Identify the problem Step 2 Establish a theory of probable causes Step 3 Test the Theory to Determine cause Step 4 Establish a Plan of Action to Resolve the Problem and Implement the Solution Step 5 Verify Full System Functionality and Implement Preventative Measures Step 6 Document Findings, Actions, and Outcomes ITE v7.0 Step 1 – Identify the Problem Identify the Problem for Laptops Open-ended questions  What problems are you experiencing with your laptop?  What software has been installed recently?  What were you doing when the problem was identified?  What error messages have you received? Closed-ended questions  Is the laptop under warranty?  Is the laptop currently using the battery?  Can the laptop operate using the AC adapter?  Can the laptop boot and show the operating system desktop? Identify the Problem for Mobile Devices Open-ended questions  What is the problem you are experiencing?  What is the make and model of your mobile device?  What service provider do you have? Closed-ended questions  Has this problem happened before?  Has anyone else used the mobile device?  Is your mobileITE device v7.0 under warranty? Step 2 – Establish a Theory of Probable Cause Common causes of Battery does not have a charge laptop problems Battery will not charge Loose cable connections Keyboard does not work Num Lock key is on Loose RAM module Common causes of The Power button is broken mobile device The battery can no longer hold a charge problems There is excessive dirt in the speaker, microphone, or charging port The mobile device has been dropped The mobile device has been submerged ITE v7.0 Step 3 – Test the Theory to Determine Cause Common steps to determine Use AC adapter with laptop cause for laptop problems Replace battery Reboot the laptop Check BIOS settings Disconnect and reconnect the cables Disconnect peripherals Toggle Num Lock key Remove and reinstall RAM Caps lock key is on Check for non-bootable media in a boot device Common steps to determine Restart the mobile device. cause for mobile device Plug the mobile device into an AC outlet problems Replace the mobile device battery Remove any removable battery and reinstall it Clean the speaker, microphone, charging port, or other ITE v7.0 connection ports Step 4 – Establish a Plan of Action to Resolve the Problem and Implement the Solution If no solution is Helpdesk repair logs achieved in the Other technicians previous step, further Manufacturer FAQ websites research is needed to Technical websites implement the solution. News groups Computer manuals Device manuals Online forums Internet search ITE v7.0 Step 5 – Verify Full System Functionality and if Applicable Implement Preventive Measures Verify solution and Reboot the laptop. full system Attach all peripherals. functionality for Operate laptop using only battery. laptops Print a document from an application. Type sample document to test keyboard. Check Event Viewer for warnings or errors. Verify solution and Reboot the mobile device. full system Browse the Internet using Wi-Fi. functionality for Browse the Internet using 4G, 3G, or another mobile devices carrier network type. Make a phone call. Send a text message. Open different types of apps. Operate the mobile device using only the battery.ITE v7.0 Step 6 – Document Findings, Actions, and Outcomes Document your  Discuss the solution implemented findings, actions, and with the customer. outcomes  Have the customer verify problem has been solved.  Provide the customer with all paperwork.  Document the steps taken to solve the problem in the work order and technician's journal.  Document any components used in the repair.  Document the time spent to solve the problem. ITE v7.0  Identify Common Problems and Solutions  Laptops and other mobile device problems can be attributed to hardware, software, networks, or some combination of the three. You will resolve some types of problems more often than others. ITE v7.0 Common Problems and Solutions for Laptops ITE v7.0 Common Problems and Solutions for Mobile Devices ITE v7.0  International Mobile Subscriber Identity (IMSI)  An International Mobile Subscriber Identity (IMSI) is a unique number, usually fifteen digits, associated with Global System for Mobile Communications (GSM) and Universal Mobile Telecommunications System (UMTS) network mobile phone users.  The IMSI is a unique number identifying a subscriber.  Found on the SIM card or programmed on the phone.  This number has two parts. The initial part is comprised of six digits in the North American standard and five digits in the European standard. It identifies the GSM network operator in a specific country with whom the subscriber holds an account. The second part is allocated by the network operator to uniquely ITE v7.0 identify the subscriber. 7.8 CHAPTER SUMMARY ITE v7.0  Chapter 7: Laptops and Other Mobile Devices  Explain the features and functions of laptops and other mobile devices.  Explain how to configure laptop power settings and wireless settings.  Explain how to remove and install laptop components.  Describe the purpose and characteristics of other mobile devices.  Explain how to configure network connectivity and email on mobile devices.  Explain common preventive maintenance techniques for Laptops and other Mobile Devices.  Explain how to troubleshoot Laptops and other Mobile Devices. ITE v7.0  New Terms and Commands Smartwatch Docking station Laptop Port replicator Tablet LCD Smartphone LED E-reader OLED Mobility Inverter Fitness tracker Digitizer Virtual reality ACPI Augmented reality ITE v7.0  New Terms and Commands Bluetooth Mini-PCI Cellular WAN Mini-PCIe Tethering PCI Express Micro Hotspot ITE v7.0  New Terms and Commands Express Card/54 Contact smart card reader Express Card/34 Contactless smart card reader External Flash Drive SODIMM memory Flash card CRUs Flash card reader FRUs AC adapter DC jack ITE v7.0  New Terms and Commands SIM card Bluetooth SD card Fitness monitor Dual SIM Smartwatch Mini-USB VR/AR headset Micro-USB GPS receiver USB-C E-reader Lightning cable NFC IR ITE v7.0  New Terms and Commands 1G Airplane mode 2G Email server 3G Email client 4G MAPI LTE POP3 5G IMAP Exchange SMTP Local email MIME Internet email SSL Synchronization (backup/sync) ITE v7.0