My desktop will only power on for under one second before it powers off.?

Question

When I try to power on my desktop (HP a1730n) it will only stay on long enough to light up the power button, begin to spin the fans, and flash the DVD player light - then, it's off. However, with the chip (Athlon 64 x2 4600+) removed it will power on, keep the lights on, spin the fans, and eject/spin DVDs. Last night I was vacuuming and bumped the video card out of place, it was out for 15 minutes and the screens were black (primary) and orange (secondary, had a lot of orange in the wallpaper?) When I opened the case to reset the video card and tested it, both screens responded normally for the systems check at boot and then went to a black screen with err2err3 in the top left of the main monitor. For whatever reason I vacuumed out the case and pulled the chip to clean the heat sink. Now it can't power on long enough to fully spin the fans. Any suggestions?

Update:

Well, everything has been in the PC for at least 2 years... I can do pretty much anything internally except insert the processor and have it power on just fine. But, without the microchip, having it on doesn't do anything but waste electricity. I don't have another athlon to put in.

frank G · Accepted Answer

.youve probably damaged you motherboard.  Replace that or get a new computer.

koiboy · Answer

Sounds like you may have some incompatible cards/components in your computer.  If you put components into the computer yourself, you may want to check that you have the correct parts that go with your motherboard.  I would start by putting all the original parts back into the computer and troubleshoot from there. Put in one new component at a time and see which one is causing your computer to screw up.

My desktop will only power on for under one second before it powers off.?

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