b.When a prompt identifies your pcmcia.sys file as an
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.
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 88 for more information.
110 About Drivers and System Resources