I suppose you have a desktop? Go to this link. http://downloadcenter.intel.com/Sear...27&FamilyId=40
Select your OS, then scan the results for the graphics driver
845g is somewhat old and official Windows 7 drivers
for this card are not available from intel. Below is the link for the xp driver for this card. ┬ Intel┬« Graphics Media Accelerator Driver for Windows* XP (zip)
If you use this, you'll need to install it in compatibility mode for xp.