Good Day,

I bought an AMD Radeon 6870 1GB and installed it into my INTEL® "Classic Series" "Rockfish" G43 - Socket LGA775 @ FSB1333 Motherboard.
I have 4GB DDR3-1333 RAM and Intel Core 2 Quad 2.5Ghz CPU, 650W Coolermaster Extreme Power plus PSU.

The system works fine until I run the benchmarks or play medium to big games or even if I bench my system with the Windows 7 rating system, the pc will just crash resulting in a pc restart or my old hhd's broke.

When I replace the 6870 with GT210 OR 9800GT Graphics card everything works fine!!

So I replace my Intel motherboard with a Gigabyte and the 6870 works 100% or even if I put the 6870 in my fends pc it works 100%.

It seems like the Intel motherboard cant handle the 6870 graphics card but its brand new,....

any ideas on what i can do??

(I installed the 11.1 AMD Graphics drivers but that also didn’t help)

Seems that Its Motherboard related??
5 answers Last reply
More about motherboard graphics card problem
  1. You say it works with your 9800gt or gt210, did you uninstall the drivers with driversweeper before you installed the new Catalyst ones?
  2. I didn’t want to take a chance of not 100% removing the drivers so I formatted the computer every time before installing new graphics card and made fresh installs,....
  3. No idea dude. I do know this, at 2.5ghz, your cpu will not keep up with a HD6870. You need to do some overclocking.
  4. Thanks, Ill keep that in mind.

    Going to tahe my pc to the supplyers today to fix it, wich me luck,....
  5. I haven't personally heard of your processor not being able to effectively run with that video card. I would be interested in seeing why it couldn't if that's the case, though. Geekapproved- are there any articles out there?

    UltimatePC - Have you upgraded to the latest BIOS? How are you connecting the card to your power supply? With a splitter from the four-pin molex? Or by using the 6-pin PCIe power connections directly from the power supply?
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