Hey ther guys! so i got a "HP Pavilion dv7-4280us Entertainment Notebook PC" 64 bit. Recently after upgrading my OS from a Windows 7 Home basic to ultimate, i started to encounter this problem that when i put my computer to sleep, It does not display. Rather the sceeen remains blank/Black....... :/ then i have to do a hard restrat so that it could displave again.. *sigh*sigh*. This have become very bothersome now caz i keep looseing important info when i hard restart my PC.
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