Windows 7 Home Premium Windows7 black screen again

1st is to set up Windows seven RC blank display shortly soon after the illegal shutdown , boot found the next day morning black screen ,Office 2010 Product Key, and alter the concept after which restart back again to regular. the black display is the legendary 30- day trial expired soon after the black ,Windows 7 Professional, am out of the blue discovered the reduce ideal suggests that this Windows7 personal computer just isn't genuine ,Office Professional 2010, there is no focus to him , the window is minimized even immediately after the discovery from the black . page pop up the window open . Is 30-day trial expired ? Check with slmgr.vbs , it genuinely was because of. enable the Administrator consumer immediately , together with the user login , slmgr.vbs-rearm to reset activation date . Be prompted to restart . Didn't care for him then change users ,Office Enterprise 2007, or black , close the Administrator person and restart . Surprising prompted to activate, a black screen. no matter , for that topic. Reboot once more ,Windows 7 Home Premium, and finally back again to regular.