Lightning Strike PC problems, help please!

Dynex 400-watt atx cpu power supply new
June 8, 2010 at 23:01:28
Specs: Windows XP
Turn it on, nothing happens, fan twitches a little. Pull everything out except mobo, cpu, ram, hd, using onboard video, turns on fine. Put a Video card in it, then it happens again, fan just twitches. Put another video card in it, same problem. I replaced the PSU and the mobo and tried two different vid cards. Need a suggestion here.

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#1
June 9, 2010 at 02:16:19
Normally when lightning is involved I would be looking at PSU or maybe fried motherboard. Changing them did nothing and removing the video card seemed to solve the issue with the original parts right?

When you booted with original mobo and psu using onboard video did the system run normal or were there other issues?


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#2
June 9, 2010 at 06:58:17
Boots just fine. Thats why Im so confused.

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#3
June 9, 2010 at 12:29:56
Too much trouble to list your system specs?

The Dynex 400W PSU is a cheap generic unit from China that's marketed under numerous brand names. BestBuy sells 'em for $50, eBay & some other sites sell 'em for under $15. Example:

http://cgi.ebay.com/NEW-Dynex-DX-40...

Here's the conclusion of a review of the HuntKey 450W (aka Dynex aka RocketFish):

http://www.hardwaresecrets.com/arti...

Here's a review of the Dynex 400W from the same site:

http://www.hardwaresecrets.com/arti...


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Related Solutions

#4
June 9, 2010 at 16:17:06
It's a lil pain but bare with me, and i'm not home right now so lets hope i get these right.

Video Card : Nvidia 8600 gts
Motherboard: Biostar g31m7te
CPU Intel core 2 dua 2.66
and yes the psu is the cheap bestbuy powersupple dynex china POS.

DVD: Liteon DVD burner
HD: Maxtor 250 gb
HD: western digital 300 gb one ide one raid
and i think thats pretty much it.


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#5
June 9, 2010 at 19:43:19
Are these AGP, PCI-E or regular PCI video cards? Maybe the slot is damaged. Do you have a video card that fits in a slot you haven't tried?

You're not really green until you're soylent green.


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#6
June 9, 2010 at 20:29:46
PCI-E New Motherboard, I already replaced the old one because i thought the vid card slot was fried. Then I hooked power to the vid card without plugging it in to the mobo and it still died. Can a faulty video card cause the powersupply to not startup at all?

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#7
June 9, 2010 at 23:34:56
I don't know if it would damage the card but it's probably not a good idea to connect the power to it without plugging it in the slot. But the problem must be with either the PSU or the video card

You're not really green until you're soylent green.


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