Hello I bought a Dell Inspiron R15 3537 a month ago and back then i installed windows 7 x64 and everything worked fine. I was abe to play Battlefield 4 and COD:Ghosts on high details. About a week ago,i upgraded my OS to windows 8.1 and since then i'm not able to play any game at a decent quality. It seems that the dedicated grahics card is not working anymore. I tried to uninstall the drivers,also for Intel integrated GPU,start windows in safe mode,cleared the remaining registries with CC cleaner,install drivers again and still doing the same. I'm also having a problem in games,if I set the power plan to HIGH PERFORMANCE (which is the logical option when playing a game), my CPU won't go more than 1.8 GHZ,altought with windows 7 it was going up untill 2.8-2.9 GHZ. I have to mention that the CPU won't go higher than 1.8 GHZ with any other power plan when i'm inside a game,in desktop mode it works just fine. Please give me a solution for this. Thanks
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