1. Downloading latest drivers (v14.19.50) for XP from the manufactures site and extracting them to a separate folder
2. Booting Windows 7 or Vista in the safe mode
4. Then navigate to Device Manager -> Video Adapter (VGA compatible) -> Properties
5. Click Driver -> Update driver -> Browse -> Let me pick -> Display adapters -> Have disk -> give path to the folder of the extracted driver
6. After you get error about driver installation in Device Manager click on “Scan for new hardware”
7. Boot your W7 or Vista in “Disable driver signing enforcement” mode