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Black screen crash in games with new 6870

Last response: in Graphics & Displays
January 22, 2012 3:31:59 AM

Hi there, I recently got a new Powercolor 6870 and have been experiencing black screen crashes while playing games. More specifically, after a seemingly random amount of time my screen will go black. The computer remains responsive for another 5-10 seconds before locking up as well. (I was once able to tell people through Skype that my comp just crashed)

This has only occurred during games and once when watching a youtube video. I have latest driver updates for my card, and removed (to the best of my knowledge) the old NVIDIA drivers from my previous 9800 GT. I also put my 9800 GT back in, and the problem went away, so I presume the problem lies in the card.

Here are my specs, and if you need more information, I'll do my best to get it.

Intel Core2Quad Q8200 @ 2.33
4 GB ram
Powercolor HD 6870
Antec Basiq Power 500w

Thank you very much for any help or suggestions!
January 22, 2012 4:52:15 AM

you say that you got rid of all 9800gt files, how did you go about getting rid of them? have you tried other drivers? other than just the latest?
a c 545 U Graphics card
January 22, 2012 5:33:47 AM

Doesn't the Antec Basiq Series 500W (BP500U) just have one 6-pin PCI Express supplementary power connector?

Are you using a dual 4-pin Molex peripheral to 6-pin PCI Express power dongle to plug into the second PCIe connector on the Radeon HD 6870?

+12V1 rail (solid yellow wire): All peripheral connectors & motherboard (20+4)-pin connector except for the ATX12V/EPS12V

+12V2 rail (yellow with black stripe wire): ATX12V/EPS12V connectors

The OCP Set Point for each +12V rail is set at 25 Amps.

The GeForce 9800 GT only draws about 70% of the power that the Radeon HD 6870 draws at maximum gaming graphics load.
January 22, 2012 6:42:20 AM

In reply to Frizzo: I uninstalled the drivers via control panel, went into safe mode, and then used a driver removal utility.

I tried an older driver, nothing changed.

In reply to ko888:

Yes, it only has 1, and I'm using a molex to six pin adapter, the one with two molex ones that go into 1 six pin.