Posted: 9/12/2016 6:07:25 PM EDT
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Lightning struck near my house, knocked out at least 3 transformers on my road. One next to my house. Power was off almost 24 hours. When it did power up I noticed pc and router will not power on. Modem seems to be ok. All were on when the storm hit and ran through a backup battery/surge protector.
So is a power supply swap in my future to see if the rest of it is fubar? Other suggestions? Thanks |
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This, not hard to replace, just unplug it and make a diagram of every wire and connector. Quoted:
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High probability of dead power supply. Do any of the motherboard lights come on? This, not hard to replace, just unplug it and make a diagram of every wire and connector. Ten for thanks all |
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While you have the case open, visually check the capacitors on the board. Power surges like that have a tendency to blow those. If they are bulging you may have to replace the board. If any are ruptured you will have to replace the board. I was going to post the same thing. |
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While you have the case open, visually check the capacitors on the board. Power surges like that have a tendency to blow those. If they are bulging you may have to replace the board. If any are ruptured you will have to replace the board. Good advice. I had a power supply explode near my head once. I still don't know exactly why it blew or what exactly happened, all I know is there was a loud bang and fire and sparks and smoke. I'll never forget that. Then again, made it easy to figure out what to replace. 
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| Unplug the power supply from the mobo. On the back of the power supply flip the little red voltage converter. toggle to power supply switch on then off. flip the red voltage convert back to the original setting, plug the power supply back into the mobo. then try to turn it on. |
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lightning strike probably fried your motherboard through a lan cable. Years ago I had a lan cable running next to the wall, lightning struck somewhere nearby and it destroyed both the router it was plugged into and my motherboard. It was easy to see, there were scorch marks everywhere.
If the board is fried, it will never turn the power supply on. A spike in the power line going into your power supply won't destroy the board, the power supply will pop a fuse first. |
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If you're lucky, it's just the power supply. If you're not, it's probably the motherboard and/or HDD.
When I see compies blown my power surges, it's nearly always just the power supply. However, one location that I take care of had regular HUGE surges, and it would fry lots of stuff in their servers. I ended up putting in an industrial surge suppressor, followed by an industrial AVR unit, followed by a large double-conversion UPS. It was crazy. But, other than that sort of situation, new PSUs are usually all it takes. |