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My desktop pc was in standby mode the other day when we had a power outage and on the front of the pc (the power button) is blinking a blue light and on the back it is green (by the power cord) i cannot get it to turn on, i have tried unplugging everything, holding power button on, and nothing will work. i cannot get it to turn on.

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If you've got lights, then you probably have power, and the power supply is not the issue. I'd check the monitor by swapping it out with another one, just to insure that it's still working. If you can hear your hard drive spinning when your computer tries to boot, then its possible your hard drive got fried somehow. If you hear nothing, or maybe just hear a fan buzzing inside the PC, there's a good chance that your motherboard is shot. I've had this happen twice, due to static discharges or power outages. If the northbridge chip on the motherboard is gone, you're probably going to need a new motherboard (unless you know your way around a soldering iron).

If you are comfortable with it, disassemble your computer, and check the parts against other computers, i.e., check if the hard drive works by putting it inside another working computer. And by the same token, take a working hard drive, power supply, ect and put it in your non-working computer, and see if it boots.

If you've still got nothing, i'd bet on the motherboard, but if you want a second opinion, take it down to your local computer store, and have them run a check on it. Most places will only charge $50 or $60 bucks to run a hardware diagnostic to see what parts may or may not be working, and knowing for sure beats buying new parts which may or may not be damaged. Good luck!

Posted on Mar 16, 2011

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If the computer was not plugged into a surge device it is possible that the power supply was damaged, hopefully it did not fry all the components, try replacing your psu or having it replaced.

Posted on Mar 16, 2011

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