Im having some issues where my cards are showing up but not mining. Causing my drivers to crash. Is this what happened to you or? And what did you do exactly to fix?
As stated in my previous post, I used the jumper on the motherboard to clear/reset the BIOS. Look at your motherboard manual for the jumper.
This should be done UNPOWERED! Turn off the power supply or unplug it, then press and hold the start button to drain power from the capacitors on the mobo. Then move the jumper from it's normal position to the jumpered position, and move it back. Connect the power and boot up, it will take you into the BIOS for you to make adjustments, but be aware it will have reset to factory defaults. If the defaults are what you want anyway, simply exit out and boot normally.
I have had a seriously corrupted BIOS before and also had to remove the motherboard battery and allow the board to completely drain of any residual power.