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Computer shuts down by itself after new graphics card?

Tags:
  • Power Supplies
  • Drivers
  • Graphics Cards
  • Components
Last response: in Components
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July 12, 2011 3:20:46 AM

Hello,

I REALLY need your help. i went and got a new graphics card today (ATI RADEON 6870) so i can replace my GeForce 9400. At first, everything went fine when i switched the cards. I installed the drivers off the CD and had to reboot.

After i rebooted, my pc would start up until the "Starting Windows" screen and then would completely shut off.

After a few hours, i ended up switching back to my 9400, and deleted all the drivers i had. then i turned the computer off.

I put in my 6870 and ran in safe mode, and then went to the AMD website and downloaded new drivers from there.

after the reboot, i ended up going past the "Starting Windows" screen and actually started windows up normally and not in safe mode.

After a minute or two, it crashed again.

Im so tired of trying to fix this, so is my PSU the problem?

Specs:

Intel Core duo @ 2.66 GHz
Radeon 6870
4 GB of Ram
and my PSU is 500 watts.

PLEASE help.

thanks

More about : computer shuts graphics card

July 12, 2011 3:34:22 AM

can anyone please help?
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a b ) Power supply
a b U Graphics card
July 12, 2011 4:26:13 AM

Please don't post duplicate threads.
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!