12 Questions
What is the first step to perform the external visual inspection?
Turn off the computer, monitor, and peripherals
How should PS/2-compatible mouse interface cable connectors be identified?
By labels
What is required to ensure a firm connection for a serial mouse interface cable?
Captive screws
How should devices be connected to serial and parallel port connectors?
Firmly attached to appropriate connectors
What should be ensured about network cables during the external visual inspection?
They are properly attached
In what state should the computer, monitor, and peripherals be during the external visual inspection?
Turned off
What is the first step to observe during the boot routine?
Turn on all peripherals and the computer
If the Num Lock indicator on the keyboard does not light up after a long pause, what should be troubleshot?
The memory
Which of the following is NOT mentioned as an indication to observe during the boot routine?
Printer status indicators
If one or more keys on the keyboard are sticking, what is the recommended action?
Replace the keyboard
What should be done if the power supply fan is not running normally?
Troubleshoot the system power supply
What should be done after inspecting the exterior of the computer for physical damage?
Proceed to observing the boot routine
Study Notes
External Visual Inspection
- The external visual inspection involves a quick inspection of the exterior of the computer, monitor, keyboard, peripherals, and cables.
- Verify that all power cables are properly connected to the computer, monitor, and peripherals, and their power sources.
- Verify that the keyboard and mouse interface cables are firmly attached to the proper connectors on the back of the computer.
- Verify that network cables (if present) are properly attached.
- Verify that devices attached to the serial and parallel port connectors are properly connected.
- Verify that the video interface cable is firmly attached to the video connector on the back panel or to a video expansion card, and also to the connector on the back of the monitor.
- Inspect all external monitor controls for any obvious damage or improper settings.
- Inspect the keyboard to ensure that no keys are sticking.
- Inspect the exterior of the computer, including all controls and indicators, and all user-accessible data storage devices for any signs of physical damage.
Observing the Boot Routine
- Boot the system and observe the system for any indications of problems.
- Check the power supply fan; if it doesn't run normally, troubleshoot the system power supply.
- Watch the , , and indicators on the upper-right corner of the keyboard; they should flash momentarily and then the Num Lock indicator should light up and remain on (unless the Num Lock option is set to Off in the System Setup program).
- Observe the system for beep codes, system error messages, diskette-drive and hard-disk drive access indicators during the boot routine.
Learn about the external visual inspection process for a computer system, including the monitor, keyboard, peripherals, and cables. Understand the steps involved in conducting an external visual inspection and making necessary corrections.
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