TROUBLESHOOTING COMPUTER ISSUES
IDENTIFYING HARDWARE SOFTWARE NETWORK PROBLEMS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A power supply tester
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A boot disk
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A power-on self-test (POST) card
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A loopback plug
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Detailed explanation-1: -Testing the DC voltage output of the power supply using a digital multimeter can help you isolate any potential issues and determine if you have a bad power supply.
Detailed explanation-2: -You can test it yourself manually using a multimeter (method #1) or you can purchase a power supply tester to perform an automatic PSU test (method #2). Both methods are equally effective, so which one you choose is completely up to you.
Detailed explanation-3: -Turn off any power switch on the PSU and plug the unit back into a working outlet. Turn on the unit’s power switch. If nothing happens, the PSU is completely dead and needs replaced. If the fan turns, it’s receiving some power.
Detailed explanation-4: -Use a multimeter to test the power supply. Use a multimeter to test the power supply. A failing power supply can cause the computer to continuously reboot. For example, pin eight on the power supply connector connects to the power good wire on the motherboard.
Detailed explanation-5: -The power supply tester prevents electrical disasters by testing your power supply regularly to identify problems before they damage your computer. Features: Monitors output voltage. Green LED display lights up when your devices are working properly.