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No signal to monitor after putting in new GPU old one doesn't work now

Last response: in Graphics & Displays
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October 1, 2010 7:13:30 PM

I ordered a Gigabyte 9400 GT from NCIX to replace my BFG 7900 GTX; I wasn't able to play games because my screen would start showing random textures in the game environments and other weird effects before the computer would lock up. I assumed it was the video card because my ram was replaced and still the problems persisted I removed all my nvidia drivers via add/remove programs and shut off the computer unplugged it, took the old card out put the new one in (following the directions from the manual to make sure i dint miss anything) started the system back up (sounded normal, new video card fan started running) yet the monitor wasn't getting a signal, I went to shut my computer off by holding the button for 5 or so seconds like I normally do when windows is frozen and it wouldn't shut off, tried the reset button and no response I had to switch the PSU off to shut it down, I put the old card back in and now it doesn't work at all either. Did I cook something? Please help.




Antec P180 Black ATX Mid Tower Case
Athlon 64 X2 DC Processor 4600+ Socket AM2
Asus M2N32-SLI Deluxe nForce 590
Crucial Ballistix PC2-6400 2GB 2X1GB DDR2-800 CL4-4-4-12 240PIN (replaced a faulty stick)
Segate Barracuda 7200 320GB SATA2
BFG GeForce 7900 GTX OC PCI-E 512 GDDR3
Creative Sound Blaster X-FI Xtreme Music 24BIT
WinXP
a b U Graphics card
October 1, 2010 7:29:10 PM

What's your power supply?

Also, I'd recommend using Driversweeper in the future for removing video card drivers.

Are you not able to get a signal on your monitor during POST? Or just in Windows? Can you be a bit more descriptive with your issue?
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October 1, 2010 7:56:55 PM

It is not getting any signal whatsoever doesn't even show the POST screen, My supply was a 700Watt OCZ Game Extreme, i got it replaced a long time ago and i forget with what, except it was a 500 watt. Now when I put my old GPU back in it doesn't work either.
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a b U Graphics card
October 1, 2010 8:06:28 PM

Hmm, could be a bad motherboard.

Anyone else chip in?
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