Download this file and burn to CDR.
Remove your current PCI Standard Graphics in Windows (System Devices)
REBOOT and use your newly burned disc when Windows detects "New Graphic Device" This worked on a HP Omnibook 2100 that kept on giving me 2 or 16 colours and a low screen resolution.
THE DRIVER ALSO CORRECTS YOUR MONITOR TO A LAPTOP 600X800 LAPTOP MONITOR INSTEAD OF MONITOR (UNKNOWN)
HOPE IT HELPS MATTHEW O'BRIEN