If you want to force GPU acceleration in IE9 with a legacy GPU. Please check the vendor id and device id of your GPU in device manager. And then use the registry editor to edit the following key value HKEY_CURRENT_USER\Software\Mic*rosoft\Internet Explorer\GPU and modify the keys in the right panel. "DeviceId"->from 0 to the deviceID of your GPU "VendorId"->from 0 to the vendorID of your GPU "SoftwareFallback"->from 1 to 0 < very important Also change the "Wow64DeviceId" "Wow64VendorId" "SoftwareFallback to 0 incrased on speedreading from 3 fps to 28 fps