Sony PCG-VX89P - Manual (Page 132)

VAIO Computer Quick Start
132
❑ Check the manual that came with your PC Card for more information on its
use.
❑ You may not be able to use some PC Cards or some functions of the PC Card
with this computer.
Why does an exclamation mark (!) appear on the Device Manager tab in the
System Properties dialog box?
You may not be using the most recent software driver provided by the PC Card
manufacturer. Make sure the necessary drivers are installed. You may need to
remove the software driver, and reinstall it.