This message was posted on behalf of Intel Corporation
The supported operating systems for your desktop are Windows XP and Vista. Dell didn’t release drivers for Windows 7.
Intel has drivers for Q35 Express Chipset (Windows 7); however, they might not work in your computer, it requires customized Dell’s drivers.
They are available in the link below:
Try with the manual installation
1-Download the zip file of the driver from downloadcenter, unzip and keep file in the desktop.
2-Turn Internet connection off
3-Go to device manager>Display Adapter, right click Intel HD graphics and select uninstall driver (check delete box)
4-Restart the computer
5-Go to device manager>Display Adapter, right click over Microsoft generic driver select Update driver, browse search for graphics folder at desktop (step 1)
6-Restart system and review graphics driver version installed from device manager or Graphics control Panel.