I use an AMD Radeon HD 7970 graphic card in my PC as GPU. I am trying to overclock it using stock voltages. I am hitting 1100/1575 easily but getting beyond it becomes difficult. I tried using MSI afterburner to achieve it but it didn’t help much. I also tried running 1150 core at 1.25 V but it failed. If I try to revert back the changes I made, it happens successfully, but after it if I start any application or game that requires graphic card, then it just crashes and with error message saying drivers for graphic card missing. I updated graphic drivers but it didn’t help. Can someone help me by telling, why this problem is happening and how can I sort it?
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