Power Surge. Replaced PSU. Computer still dead. Help

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Mchalo

Mchalo

Commendable
Aug 9, 2016
58
0
1,660
A few days ago we had a power surge, when we checked on the computer the lights on the front panel were blinking and the case fan was starting and stoping repeatedly.

After doing some research on this site and others I came to the conclusion that the PSU was the likely reason it would not turn on again. I have replaced the PSU with the exact same model. The PSU light is on but the computer still does not turn on, no sounds or other lights come on except for the one on the PSU

Can someone advice me on how I should proceed?
Thanks
 
Solution
Phaewryn
Bum deal. Most of the power strips people think of as "surge protectors" these days do little in reality, a quality UPS is really the only safe bet, but I digress.

If it's not the power supply, I believe the next chain up is the board, and then the CPU, in regards to what's most likely to have been damaged in a power surge. Not exactly easy to test the board or CPU without a second machine to test them in and steal parts from. The most logical step is to buy a new board, and see if the rest of the components work on a new board. If not, then get a new CPU, and try again. Sometimes you can find a refurbished board on sale that will do simply for testing and save a little money.
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Mchalo

Mchalo

Commendable
Aug 9, 2016
58
0
1,660


RMA? Return? Unfortunately this computer is old enough that any warranties have long expired
 
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Phaewryn

Phaewryn

Distinguished
Sep 17, 2013
50
0
18,660
Bum deal. Most of the power strips people think of as "surge protectors" these days do little in reality, a quality UPS is really the only safe bet, but I digress.

If it's not the power supply, I believe the next chain up is the board, and then the CPU, in regards to what's most likely to have been damaged in a power surge. Not exactly easy to test the board or CPU without a second machine to test them in and steal parts from. The most logical step is to buy a new board, and see if the rest of the components work on a new board. If not, then get a new CPU, and try again. Sometimes you can find a refurbished board on sale that will do simply for testing and save a little money.
 
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