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Last response: in Graphics & Displays
a b \ Driver
November 11, 2010 1:12:37 AM

Hello, Installed EVGA GTS 450 gfx card w/o drivers pc powered up in low res, installed EVGA driver from supplied disc now pc wont power while card has power connector.. tried PCI-E 6 pin from PSU and 6pin adaptor for molex. PSU is Jeantech 500w model JN120F-500AP DC Output 12V1 18A 12V2 18A Any help much appreciated

More about : evga gts450

a b Î Nvidia
November 11, 2010 1:14:55 AM

uninstall the evga drivers and download the latest drivers from it sounds like a power issue but you may as well confirm the drivers are not an issue.
a b \ Driver
November 11, 2010 1:15:29 AM

Addition: Unplugged all USB connections to mobo to save power still no luck.
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a b \ Driver
November 11, 2010 2:04:30 AM

cant uninstall or install any drivers as card is not detected by system atleast i dont know how to to that.. thanks anyway ct1615

mobo is MSI G31TM-P21 (MS-7529) w/ 4.7 BIOS

Anyone got any ideas?
a b Î Nvidia
November 11, 2010 2:08:31 AM

you can't boot into safe mode? how did install the evga drivers? did you use a video card before or on-board graphics?

P.S. do you have a budget for a PSU upgrade?
a b \ Driver
November 11, 2010 2:23:04 AM

Installed card, connected monitor,mobo, psu PC powered up booted to win 7 in low res as card was recognised asstandard vga card before installing drivers..

"You need to restart windows for changes to tanke affect" hit ok PC powers down, wont reboot... Card is still in mobo but no connected to PSU atm, windows doesnt see the card currently either.

Had a gts 8400 but its fried alot with mobo which was replaced recently...

Just to note we bought two of these cards one for me one for my girl, mine is running fine while her machine is really starting to pee me off lol!!

From what I gather the GTS 450 needs min. 400W with 22A on 12v

I haz move than that if I use the molex adaptor to 6-pin?

Thanks again
a b Î Nvidia
November 11, 2010 11:45:04 AM

try switch cards with your girl's computer, see if the issue follows the card. which one of yu has the jeantech 500w PSU? you or her and what is the other PSU?