3.In the Device Manager window, click the plus sign (+) next to next to the type of driver you want to uninstall and reinstall (for example, DVD/CD-ROMs, Modems, and so on), unless a minus sign (-) is already showing.

4.Click a listed driver, and press the delete key. When prompted, confirm that you want to delete the driver, but do not restart the computer. Repeat for any other drivers you want to delete.

5.In the Device Manager window, click the Scan for hardware changes icon in the toolbar. Windows scans your system for installed hardware and installs default drivers for anything requiring drivers.

NOTE: If you are prompted to restart the computer, save all open files, and then continue with the restart.

6.Reopen Device Manager, if necessary, and then verify that the drivers are once again listed.

7.Try to use your device.

If uninstalling and reinstalling the default device drivers does not correct the problem, you may need to update your drivers using the procedures in the following section.

Obtaining Microsoft device drivers

You can obtain the latest Windows device drivers by using Microsoft® Update. This Windows feature can be set to automatically check for and install updates for your hardware drivers, as well as for the Windows operating system and other Microsoft products.

To use Microsoft Update:

1.Open your Internet browser, and go to http://www.microsoft.com.

2.Click Security & Updates.

3.Click Microsoft Update to get the latest updates for your computer operating system, programs, and hardware.

4.Follow the on-screen instructions to install Microsoft Update. If prompted by User Account Control, click Continue.

5.Click Change settings and select a time for Microsoft Update to check for updates to the Windows operating system and other Microsoft products.

6.If prompted to do so, restart your computer.

Obtaining HP device drivers

Use either of the following procedures to obtain HP device drivers.

To use the HP Update Utility:

1.Select Start > All Programs > HP > HP Update.

2.On the HP Welcome screen, click Settings, and then select a time when the utility should check for software updates on the Web.

3.Click Next to immediately check for HP software updates.

22 Chapter 7 Troubleshooting