Sony PCG-R505JL - Manual (Page 57)

Using Your Recovery CDs
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4 Click Performance and Maintenance, then click System. The System
Properties dialog box appears.
5 From the Hardware tab, click Device Manager.
6 Click to highlight the device for which you wish to reinstall the driver.
7 From the Actions menu, choose Properties. The Properties dialog box for
that device appears
Properties dialog box.
8 Click Reinstall Driver. The Hardware Update Wizard appears.
9 Click Next. The wizard will search for the correct driver on your Driver
Recovery CD.
10 When the recovery process is complete, click Finish. Some drivers will
require that you reboot the computer to complete installation.