Old ATI card doesn't work with any drivers

[psk94]

My main vid card died on me, trying to use an old pci-e ati 6870. Works 100% fine forever in 2 different PC's without any drivers installed, listed as a microsoft basic display adapter using low resolution, 1280x1024 max. As soon as I install any drivers of any version or from windows update, instant black screen forever no matter what after that. Same thing booting up Ubuntu, the low res loading logo screens work fine and then once a driver is loaded going to the desktop instantly gives a blue screen with vertical lines and stuck.

Checked gpu-z and lists the rops and tmus wrong for this model, and as a microsoft basic display adapter. Pretty sure it's a diamond ati 6870 though as it has 2x6 power connectors, wouldn't be higher model card than this, but thought it was lower... don't think any lower models have that power plug config though.

I'm considering flashing the bios, not sure what else to try at this point. Note it has a custom cooler installed from arctic accelero line, so different fan plugged into the gpu board than default... doubt that would make any difference. Any advice would be appreciated.

Edit: The gpu-z specs were a bit different before than pic using onboard gfx + 6870 running in background, rops/tmus were listed as 8/24, so guess that doesn't matter and gpu-z reading it wrong.

 

[3x0]

If the card is unstable when drivers are installed then it's defective. GPUz reading without installed drivers are almost always wrong, since the information is provided by the AMD/ATI drivers.

 

[psk94]

If the card is unstable when drivers are installed then it's defective. GPUz reading without installed drivers are almost always wrong, since the information is provided by the AMD/ATI drivers.

Dunno if I would use the word "unstable"...it instantly goes to black screen as official drivers load for it, but will work without artifacts or issues for an entire day using microsoft default driver with low resolution. It hasn't ever done anything random or artifacts, so it either can't handle the high resolution and defective or wrong/corrupted bios making it use the wrong driver files is my thinking. Well I'm going to flash bios and see if it helps.

 

[sLowEnd]

Your card's probably busted

 

[Steevo]

AMD Radeon HD 6870 Specs

AMD Barts, 900 MHz, 1120 Cores, 56 TMUs, 32 ROPs, 1024 MB GDDR5, 1050 MHz, 256 bit

www.techpowerup.com

My main vid card died on me, trying to use an old pci-e ati 6870. Works 100% fine forever in 2 different PC's without any drivers installed, listed as a microsoft basic display adapter using low resolution, 1280x1024 max. As soon as I install any drivers of any version or from windows update, instant black screen forever no matter what after that. Same thing booting up Ubuntu, the low res loading logo screens work fine and then once a driver is loaded going to the desktop instantly gives a blue screen with vertical lines and stuck.

Checked gpu-z and lists the rops and tmus wrong for this model, and as a microsoft basic display adapter. Pretty sure it's a diamond ati 6870 though as it has 2x6 power connectors, wouldn't be higher model card than this, but thought it was lower... don't think any lower models have that power plug config though.

I'm considering flashing the bios, not sure what else to try at this point. Note it has a custom cooler installed from arctic accelero line, so different fan plugged into the gpu board than default... doubt that would make any difference. Any advice would be appreciated.

Edit: The gpu-z specs were a bit different before than pic using onboard gfx + 6870 running in background, rops/tmus were listed as 8/24, so guess that doesn't matter and gpu-z reading it wrong.

Are you booting a UEFI system?

What driver are you installing on what version of Windows?