Hey guys. I got a blue screen yesterday and eversince my boards dont get up to my max speeds. I used to mine 720 and 220 with my 2 boards.. now i get 560ish and 210ish..which are pretty much the default speeds of the 2 boards I have. what's up with that? I'm using the exact same .bat files as before...nothing changed..
I have had a similar problem and I would guess it is a driver issue. I would try to uninstall the video drivers and reinstall first.
I had a low spec mining pc bluescreen yesterday too - I tried re-installing windows but have been unable to install the drivers for the card since - this might just be a coincidence and I fried something, or if it is linked to your problems might indicate an automatic update problem.
Might be a conflict with the BIOS and drivers. Before I say anything I would like to note that changing a BIOS can have MANY unintended consequences and can (has for me) ruin a computer. However I would try the video card manufacturer's bios as I have experienced the most stability and highest has rates with them.