This involves stripping the PC down to the bare essentials required for the machine to power up. If the desktop does not turn on even with a known good PSU, the problem likely resides on the motherboard.
Troubleshooting a Desktop That Won't Turn On After a Power Surge
A quick check of these fundamentals saves time and prevents unnecessary hardware panic. Basic Checks Before Assuming the Worst Before diving into complex diagnostics, it is essential to rule out the simplest explanations.
Wall Circuit Tripped breaker or switched outlet turned off. To test the PSU without a multimeter, you can perform a paperclip test to see if the fan spins.
Troubleshooting a Power Surge Damaged Desktop That Won't Turn On
Disconnect all non-essential peripherals (USB drives, external monitors, extra fans). A desktop does not turn on often because it is not receiving electricity or the power source is interrupted.
More About Desktop does not turn on
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