b.When a prompt identifies your pcmcia.sys file as an OEM-installed file and asks you to overwrite the version of the file on your system with the service pack version, click the No button.

If you install any future service packs on your computer, make sure that, when you are prompted, you do not overwrite the pcmcia.sys file, or you may be unable to use your computer.

After installation of Windows NT 4.0, install the latest service pack to support proper video, PC card driver.

If you install SP4 from any source other than your computer’s hard drive, the video driver that was installed on your computer at the factory is overwritten. After you install the service pack, you must reinstall the video driver the first time you restart your computer, see “Changing the Video Driver” on page 74 for more infomation.

94 About Drivers and System Resources