$ 0 0 i am give a link :-http://www.tomshardware.com/forum/56490-63-intel-4000-driver-issue ORMICROSOFThttp://answers.microsoft.com/en-us/windows/forum/windows_8-hardware/after-updating-intel-hd-graphics-4000-on-windows-8/867033b5-2205-4122-863f-7d4f25e62342