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Computer Freezes with White squares.

Last response: in Graphics & Displays
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September 23, 2010 10:27:37 PM

Hi guys, I am having problems with my new Nvidia EVGA 465GTX 1 gb card (voltage tweaked one).

I can run games fine, I can run battle field bad company 2 on high and other games however.. I get these weird computer freezes...

The computer would freeze (usually after i just booted up, or when I'm browsing the internet... I can still move my mouse... but i can't click anything else and these weird white squares (numerous) appear along with some rainbowish lines on my screen.

I don't know what's causing this.... The weird part is that this has only happened to me 4 times. When the problem occurred I rebooted my computer and everything ran fine again... I could run the computer for hours without any problems... then maybe after a week this problem randomly happens again.

I never had this problem with my old 8800 GT. My computer has 3 fans... and i doubt this is an overheating problem.

Thanks.
a c 1410 U Graphics card
September 23, 2010 10:42:37 PM

Card overclocked? Back it of. If not there might be something wrong with the card.
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September 23, 2010 11:13:26 PM

I have not overclocked it or anything... I am very clueless when it comes to that stuff.... Basictly its just the card with the latest nvidia driver update
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a c 1410 U Graphics card
September 23, 2010 11:51:16 PM

What is the size, model and brand of your PSU?
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a c 1410 U Graphics card
September 24, 2010 12:32:06 AM

That PSU is on the limit of providing enough power for the GTX465 It does not show total amps on the +12volt rail but usually 2 rails of 18 amps means about 30amps total. This might be the reason for your issues.
Here is EVGA's recommended PSU size; "Minimum of a 550 Watt power supply.
(Minimum recommended power supply with +12 Volt current rating of 38 Amps.) "
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September 24, 2010 1:10:03 AM

I am on a tight budget actually after buying the card.

If I stay with my current PSU regardless of the freezes will it damage the system?
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a c 1410 U Graphics card
September 24, 2010 1:17:12 AM

Eventually it can lead to PSU failure that can damage other parts of the computer with it. Your CM EP PSU is their cheapest made and have a history of not being reliable.
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October 1, 2010 2:41:01 AM

Hi again... So I replaced my PSU with a new one... the Coolermaster 750 W gx....

And its still doing it.... Could it be a video card defect...
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a c 1410 U Graphics card
October 1, 2010 2:59:50 AM

Yes it can be defective card as well.
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October 1, 2010 12:13:53 PM

Most probably it is an Issue with your VRAM, your VRAM might be overheating causing the system to freeze and showing squares or dots. I recommend get it RMA, it might be a faulty card.
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