Not the best thread to post that question in.
I replied to your PM and told you that you should make a new thread regarding your own problem. You are being off topic here.
Anyway, in case you haven't, uninstall old video driver and install a new one.
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C2D E8400 3.00 Ghz | EP45-DS3 | HD4850 512MB | 4GB DDR2 800 | 640 + 250 GB HDD
SyncMaster 2233BW 22" | Logitech G5 | Logitech G15 | Windows 7 x64