Chenxi Wang

I have the same card (MSI hynix mem). I used gminer before for this card and get around 36 MHs stable. Now I switched to NBminer 39.7 with this setting...

  you can click curve editor, then select 1380 MHz on that curve, press letter "l", close curve editor window, and apply changes. It would be better to config...

I would decrease the mem clock to 2200, which gives 79-80MH/s but lower mem temperature. If that cannot help, try to replace the stock thermal pad with a mid/high end...

I met the same issue before. I noticed that when this situation happens the mem clock is fixed at 5001, which is extremely low. To solve this quickly, you can...