This driver is the Windows 98 video driver for a Compaq Presario 1255 notebook. Download the driver. Run the nmw9x623.exe. Reboot your computer. Right click on desktop and select properties. Select settings/advanced/driver/update. Select the NeoMagic MagicGraph 128xd driver. Shut down the notebook and restart. You will then be able to select higher color and resolutions.