when i was runnning 3d mark 11 combined test have the same problem ......after i reinstall all the driver and flash player
and then install driver ...i go to test 3d mark 11 again..it still have problem......but i go to download a new verision 3d mark 11 1.0.3 and run it again....the problem was fixed but 1.0.2 still have the problem......
but i test on this game League of Legends ...it still have the same problem ..
please help me to find out what is it going on........if there is the hardware problem...i can be go to change a new one...thank you !
is that the HD4000 driver have some BUG ?

when i playing youtube...sometimes turn it to white screen with a ! in the middle .....