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RE: Inpiron 15R 5537 - Bad game performance or unability to Sleep/Hibernate?

Hi , 

Please check the Power mode on this case . 

As if it is selected to the normal mode then this issue may occur . 

So just change the mode by just going to Power Management and select the mode to High Performance and then change the system settings accordingly ., 

Try one more thing , just ran Windows Experience Index once and reboot the machine ., 

In order to run it , just right click on Computer and go to properties and click on Windows Experience Index . 

Hoping it will fix all your issues . 

Reply if faces any other issues . 

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