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‎03-06-2017 02:23 AM

HP Recommended
Product: HP Probook 6550b
Operating System: Microsoft Windows 7 (64-bit)
Please help me, my HP go to sleep when I unplug the power and also hibernate on battery when booting up
At time if I increase the back light to the maximum it will run normal but battery will run down fast. I have format it and have been using it with out installing the VGA driver for 4 days it work normal but as I just install the display driver the system go to sleep, so I run restore from safe mode it work normal because the display driver as been uninstall. Some one should please help me on what to do. Please is this hardware or software issue. Mind you I am using bios update F. 60 because of this issue still same thing.
I have hitting driver from both HP and Intel but still same thing
I need help fast on this issue
If there is any driver or hardware let me know

I have go into the device manager and right click on the keyboard driver properties: I can't find the power management bar.
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