No video after a major thunderstorm

Microsoft Windows 7 ultimate 64-bit
August 3, 2011 at 14:51:46
Specs: Windows Vista/7/XP, 4Ghz/12GB

I had a major thunderstorm (almost sounded like a bomb) and it knocked out my desktop. It is connected to a surge proctector. at first it did not powerup and I thought powersupply went off. but I saw light on the MB and so cleared CMOS..after that system started powering up but there was no video and no beeps as well. I have dual video cards,, so I tried both and swapped the PCI-e slots as well. Still there was no video from either card or either slots though system powers up.

I am not sure if the MB has gone bad..please help. I see the fans on video cards spin when powered it seems the video cards are working I guess??

Could the storm knocked my MB? it possible even with surge protector in place?..I heard it is the powersupplies that go off

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August 4, 2011 at 02:10:07
It would be hard to determine exactly what component/s have been wiped in that rather unfortunate disaster lol

But you could start with bench testing it, if you have extra parts, then try a new PSU first, test the mobo last as it involves the most pulling apart. If you have a cheap PSU with low amperage etc. then just remove your video cards.

If you know anybody that has a multimeter you can use this to read your motherboard voltages, but from experience, when computers go wrong in that sense, its usually the mobo, i've replaced 2 in the last 3 years because of short-outs.


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