Leo did as told, heart pounding. “Now plug the PSU back into the wall, turn on its rear switch, and see if the fan spins.”
“It was fine an hour ago,” he whispered, panic rising. how to check the power supply of my pc
She showed him how to straighten the paperclip into a U-shape. Then she had him unplug the large 24-pin motherboard cable from the motherboard. “See the green wire on the connector? And any black wire next to it?” Leo did as told, heart pounding
Maya smiled and handed him a multimeter. “Then you become a detective. Set it to DC voltage, 20V range. Touch the black probe to a black ground pin, red probe to a yellow wire—that’s +12V. Orange is +3.3V, red is +5V. If they’re off by more than 5%, the PSU is dying.” Then she had him unplug the large 24-pin
“Very funny.” Leo pressed the power button again. Nothing.
Leo’s face went red. It was on . He flicked it to I . Nothing happened.
