Updating device
drivers
Complete the following procedure to update a driver, or to revert to an earlier version of the
driver if the new one does not solve your problem:
1. Click Start.
2. Type Device Manager into the Start Search box, and then click Device Manager
to open the Device Manager window.
3. Click the plus sign (+) to expand the type of device you want to update or rollback.
(For example, DVD/CD-ROM drives).
4. Double-click the specific item (for example, HP DVD Writer 640b).
5. Click the Driver tab.
6. To update a driver, click Update Driver, and then follow the on-screen instructions.
Or, to revert to an earlier version of a driver, click Rollback Driver, and then follow
the on-screen instructions.
Microsoft System
Restore
If you have a problem that might be due to software that was installed on your computer,
use System Restore to return the computer to a previous restore point. You can also set
restore points manually.
NOTE:
Always use this System Restore procedure before you use the System Recovery
program.
Some features might not be available on systems that are shipped without a version of
Microsoft Windows.
To start a System Restore:
1. Close all open programs.
2. Click Start, right-click Computer, and then click Properties.
3. Click System protection, System Restore, click Next, and then follow the on-screen
instructions.
To add restore points manually:
1. Close all open programs.
2. Click Start, right-click Computer, click Properties, and then click System
protection.
3. Under Protection Settings, select the disk for which you want to create a restore
point.
4. Click Create, and then follow the on-screen instructions.
14 Chapter 3 Troubleshooting and maintenance ENWW
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