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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. From the Start screen, type c and then select Control Panel.
2. Select System and Security, and then in the System area, select Device Manager.
3. Select the arrow to expand the type of device you want to update or roll back. (For
example, DVD/CD-ROM drives).
4. Double-click the specific item (for example, HP DVD Writer 640b).
5. Select the Driver tab.
6. To update a driver, select Update Driver, and then follow the on-screen instructions.
Or, to revert to an earlier version of a driver, select Roll Back 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.
To start a system restore or to add restore points manually:
1. Close all open programs.
2. From the Start screen, type c, and then select Control Panel.
3. Select System and Security, select System, and then select System protection.
4. Select the System Protection tab on the System Properties screen.
5. Follow the on-screen instructions.
Software troubleshooting
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