1. If available, try a different mouse.

2. If this is a USB mouse, try a different USB port.

3. If this is a PS/2 mouse, verify that it is plugged into the correct port.

4. If the computer has not been logged off, restarted, or shut down since the issue started, restart the computer, and then select the Last Known Good Configuration.
   • Turn on the computer.

     Note: If you have a dual-boot or multiple-boot startup menu, use the arrow keys to select the installation that you need to access, and then press the ENTER key.

   • After the Gateway BIOS logo appears, repeatedly press the F8 key. The Windows Advanced Options menu opens.

   • On the Windows Advanced Options menu, use the arrow keys to select Last Known Good Configuration, and then press ENTER.

     Note: If the computer does not start properly, the Safe mode screen appears. Last Known Good is also an option on that menu.

5. If hardware or software was added immediately before the issue started, remove the added hardware or software. Turn off the computer before removing hardware.

   Remove Added Hardware

   Note: Also remove any programs that are associated with the hardware.

   1. Open Control Panel.
      • From the Microsoft® Windows® XP default Start menu, from the Start menu, click Control Panel.
      • From the classic Start menu, from the Start menu, point to Settings, and then click Control Panel.

   2. In Control Panel, open System.
      • If in Category View, click Performance and Maintenance, and then click System.
      • If in Classic View, double-click System.

   3. In the System Properties dialog box, click the Hardware tab, and then click the Device Manager tab.

   4. In Device Manager, in the list of devices, click the device name, and then from the Action menu, click Uninstall.

   5. In the Confirm Device Removal dialog box, click OK.

   6. Shut down Windows and turn off the computer.

   7. Remove the hardware that was added to the computer.

   Remove Added Software

   1. Open Control Panel.
      • From the Microsoft® Windows® XP default Start menu, click Control Panel.
      • From the classic Start menu, point to Settings, and then click Control Panel.

   2. In Control Panel, open Add or Remove Programs.
      • If in Category View, click Add or Remove Programs.
      • If in Classic View, double-click Add or Remove Programs.

   3. In the Add or Remove Programs window, click the name of the newly added program, and then click Change/Remove.

   4. Follow the on-screen instructions to remove the program.

6. If it is known when the issue started use System Restore to restore to a previous date.

   Note: If no hardware or software has been added and System Restore is not applicable, continue troubleshooting. Test after each step until a resolution is found.

7. Check Event Viewer for any errors or warning events.

8. If the issue occurs in only one program, remove and reinstall that program.

   Note: If the issue occurs with the wheel, verify that the program you are using supports wheel mouse devices.

9. If the issue started after installing a new device driver, use Driver Rollback to revert to the previous driver.

   Note: Printer drivers cannot be restored with Device Driver Roll Back and Driver Roll Back only reverts to the previously installed driver.

10. Remove and reinstall the mouse drivers.

11. Check Device Manager in normal mode. Verify the following:
    • Everything is properly installed and does not contain a red X or yellow exclamation point.
    • There are no device conflicts.
    • There is no hardware listed under Other Devices.

12. Start the computer in Safe mode.
    • Check Device Manager for duplicate devices.
    • Try to recreate the issue, if applicable. If the computer works fine in Safe mode, the issue may be a program or device driver loading.

If following the above procedures did not resolve your problem, please contact Gateway through one of the following methods:

• Chat support
• Email support
• Phone support
• Answers By Gateway
• International support