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I upgraded to Windows 8.1 from Windows 8 recently; for a week after upgrade the brightness control was blocked. However now the screen is not showing on start up at all.

Its a Samsung Laptop. On switching on the "Samsung Screen" comes on, however it goes off after a short while. On touching the touchpad, cursor can be seen momentarily. Nothing after that. Hitting F8 on startup did not lead to safe mode startup either.

Please suggest how can I now get back to a normal screen.

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Hovsep A
2014-01-07 09:08:02
7 Windows 8.1 Upgrade Issues & How To Fix Themhttp://www.makeuseof.com/tag/7-windows-8-1-upgrade-issues-how-to-fix-them/try to update graphic card driverhttp://support-us.samsung.com/cyber/popup/iframe/pop_troubleshooting_fr.jsp?idx=464865&modelname=NP680Z5E&modelcode=NP680Z5E-X01US