after i format my windows 8.1 to win 7 and install all stuff for playing games an error came!!

Oct 31, 2018
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so after i format win 8.1 to win 7 and install all stuff for playing games like nvidia and directx11 etc etc .... everytime i do sleep mode for my laptop and come back to play a game in steam and it give me this error , ''DX11 feature level 10.0 is required to Run the Engine'' but it work after i restart only , any idea to why this error come back everytime i do sleep mode ?
 
Oct 31, 2018
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AsadP2012

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Feb 17, 2013
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Oct 31, 2018
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