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MoBo or Power Supply
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Posted by: fourbysara
Hi everyone. Recently a transformer in my neighborhood went bad causing a power outage to several blocks including my own. After power was restored I discovered that my comp wouldnt boot up. Here's what does happen though: When I initially start the power the fans throughout the tower engage for less than a second and all system lights will flash on then immediately go off. I can detect a slight noise as if some component powers down to silence after about 6 seconds and at that point I can try and start the comp again but it just follows this same pattern.
Win2k Pro
AMD Athlon CPU
80g Maxtor IDE
GEForce2
256m Ram
ABIT KG7-Lite MoBo
Not real sure where to start with this problem and have done little more than give the inside of the tower a good looking over and disconnected the power supply for a day or so. Any help, advice, or links would be very appreciated. Thanks All
Posted by: VmanBeBop
If the fans include ones that are not hooked up to the mobo (likes ones that have a four pin connector, same ones the hard drive uses) then its probably the power supply. Otherwise, it could be both. Only good way to tell is to buy a new power supply, see if it makes the PC work. If it doesn't, keep the power supply just the same and buy a new mobo. Word of advice: also buy a power surge protector. It feels real gay if you lose a good motherboard just because of a power outage.
Posted by: redwench
a better investment would be a UPS.
theres really no way to tell which it is unless you try a new power supply. literally everything in your comp could be cooked, or it might just be one. new power supply, antec or fortron, 400W+ for testing.
there are power supply testers in computer hardware stores, handy to keep around. but as long as youre making the trip, might as well just get the power supply so you can check the motherboard as well.
Posted by: Antti2004
Little fact of the elecrticity is that if a lightning or any other event causes surge on the power supply it will blow several compnents from fuse to power transistors and several other components. A surge can cause about 600 Volts spike and that can jump over any protection (filters) on a powersupply and therefore also destroy the motherboard, but as the previous nice people suggest try another powersupply, but do not be surpriced if the motherboard is also destroyed, I have seen that happened, sorry to say so.
Best of luck with a new powersupply.
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