Sony PCG-FX300 Quick Start Manual page 48

VAIO® All-in-one Notebook Quick Start
6 Click with the left mouse button to highlight the unknown device (identified
by a yellow question mark) or the device for which you wish to reinstall the
driver.
Device Manager screen
7 From the Action menu, click Uninstall. This will remove the device driver
from your system. Click OK to confirm this action. Repeat as necessary.
8 Reboot your computer. Click Start in the Windows taskbar, and click Turn
Off Computer, then Restart.
9 When the Windows desktop reappears, Windows will automatically reinstall
the device driver(s) from the Driver Recovery CD.
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