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:
Tap the Start button.
Type Device Manager into the Start Search box, and then tap Device Manager to open the Device
Tap the plus sign (+) to expand the type of device you want to update or rollback. (For example, DVD/CD-
Double-tap the specific item (for example, HP DVD Writer 640b).
Tap the Driver tab.
To update a driver, tap Update Driver, and then follow the onscreen instructions.
, to revert to an earlier version of a driver, tap Rollback Driver, and then follow the onscreen
You can also go to the HP Support website: www.hp.com/support and select the task, Download drivers and
software. Follow the onscreen 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.
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
To start a System Restore:
Close all open programs.
Tap the Start button, tap Computer, and then tap Properties.
Tap System protection, System Restore, tap Next, and then follow the onscreen instructions.
Chapter 4 Troubleshooting and maintenance