Power surge aftermath/protection

pew_pew

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Oct 27, 2009
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18,510
Not really sure whether my questions are appropriate for this forum, but here goes...

Just a little while ago we had a power surge/cut and it knocked my desktop out. When I turned it back on it wouldn't load anything. It wouldn't even show the boot screen or get so far as loading the bios, and my monitors would display the 'no signal detected' warning. For some reason (after I had stopped panicking!) I decided to unplug the desktop for 5-10 minutes before trying it again and now it is up and working fine. All of the electronics at my desk are plugged into a 'surge protected' extension chord, which I sincerely hope has done its job because this desktop is only a few months old and has a value of over £1000. Now, what I'd like to know is whether there are any tests I can perform just to make sure none of the components in my box suffered any damage and also whether anyone has any experience with surge protectors and can recommend one to buy.

As a matter of curiosity, I'd also like to know how my computer started working after I left it unplugged! I honestly thought it was done for :bounce:

Cheers

Dan
 

atomicWAR

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you could run intel burn test....if its unstable it will crash or if damaged it may finally break the component all together. i think your fine though. you just need to power cycle your PSU which you did.....one suggestion though....do not get surge protectors with extension cords (ie longer then 12-16" that is standard)....power degrades going down extension cords that are to long giving you unstable voltages and amps which could in the long term damage your system.
 

pew_pew

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Oct 27, 2009
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Cool, yeah I pretty much pulled every cable from the box after it happened! So what would you use for the box supply? The extension is handy because I have a fair few peripherals to plug in (2x monitors, speakers, wireless network bridge etc...) and I want to keep them protected too.
 

atomicWAR

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you can use a surge protector and multiple devices just don't get one of those with th 3-6 foot cables....thats to long for computers. also don't overload it...ie use every last connection on the protector. i like to keep them half full or less.