Sony PCG-R505JL - Manual (Page 102)

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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.
Reinstalling all drivers with the Driver Recovery CD
1 Turn on your notebook. If your notebook is already on, close all
applications.
2 When the Windows desktop appears, insert the Driver Recovery CD into the
optical disc drive.
3 Click Start in the Windows taskbar, then click Control Panel. The Control
Panel window appears.