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Sleep/Hibernate Not working after Windows 8.1 Update



After updating to Windows 8.1 my system does not sleep or hibernate anymore. I can shut it down or restart it but if I try closing the laptop so it does to sleep/hibernate mood then it does not turn off. Once I open the laptop it is still on and the screen is black and won´t turn on. Only thing I can do is Force a Shut Down by pressing the power button for couple seconds.

Problem Started:

It started when I updated to Winows 8.1 which I updated though my computer. (Windows App Store)

What have I done to try fix it:

-Tried updating my graphic drivers which are up to date. - Uninstalled any program that was not being used and was useless ( Advertisement, spam, auto downloaded programs ) - Rebooted Computer. - PC Checkup from My Dell program. ( all results came back good ) - Malware/Anti-virus scans ( They were both fine )

System Info:

- Intel(R) Core(TM) i7-4500U CPU @ 1.80GHz

- RAM 8gb - Windows 8.1 (64bit)

- Touch Screen

- Laptop Type Dell Inspiron 5537

- BIOS A06

Graphic Info:

- Intel(R) HD Graphics Family - Generic PnP Monitor

AMD Graphic:

- AMD Radeon HD 8800M Series

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