Uninstall your Graphics card drivers as shown below: For AMD/ATI Drivers – http://support.amd.com/en-us/kb-arti...csDrivers.aspx For Intel Drivers – http://www.intel.com/support/graphics/sb/CS-034574.htm For nVidia Drivers – http://www.nvidia.co.uk/object/IO_13955.html Bear in mind some laptops will have both Intel and an AMD or Nvidia driver, so remember to remove them both before reinstalling. To Reinstall the graphics card drivers, the majority of graphics card websites have 'auto-chec