Solved Power Led 1 Flashes After Replacing Faulty Psu Imac Intel 21 5 Emc 2389
Chosen Solution My friend sent me an iMac that won’t boot up, no fan, no hard drive movement. I examined the power LED, even the power is plugged in, none of the LED is on. Then I replace the PSU. I thought the problem is the PSU. Here’s the funny thing: after I replace it, the power LED#1 flashes once when I plug in, then nothing happened afterwards. No LEDs, no fan, no movement....