FUNDAMENTALS OF COMPUTER

TROUBLESHOOTING COMPUTER ISSUES

COMPUTER TROUBLESHOOTING

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A computer won’t power on. After investigating you find that the power supply is bad. What should you do next?
A
Create a plan of action
B
test the solution
C
replace the power supply
D
identify/establish a theory
Explanation: 

Detailed explanation-1: -Swap the PSU power cable with known working cable. Verify the PSU power cable and internal power adapters are secure connected. Check the PSU for any damage caused by overheating or excessive wear. Test the system with known working PSU of equal or greater wattage.

Detailed explanation-2: -Incorrect power supply If you built the computer and cannot get it to turn on, the power supply may be defective or is insufficient for your hardware’s needs. Verify the power supply meets the requirements of your motherboard, processor, and video card.

Detailed explanation-3: -Replace any device that draws down the power supply’s output voltage and draws too much current. If none of the devices is the cause of the problem, replace the power supply. If replacing the power supply does not solve the problem, replace the motherboard.

Detailed explanation-4: -Turn off the computer. Press the BIST button on the computer and check whether the LED lights up. The light should be solid on not flickering or flashing and the power supply fan should also turn on to speed. If the fan is not spinning up properly this should be considered a BIST failure even if the LED lights up.

There is 1 question to complete.