HP Pavilion n3150 HP Pavilion Notebook PC N3100 Series - Tips and Using - Page 22

Keyboard, Touch Pad, and Mouse Problems If the touch pad is difficult to control • Customize the touch pad by using the Mouse applet in Control Panel (Start, Settings, Control Panel). If the pointing devices don't work • Don't touch the touch pad while booting or resuming. • Make sure the pointing devices are enabled in the BIOS Setup utility. 1. From the Start menu, shut down, then restart the computer. 2. When you see the HP logo, press F2 to enter the BIOS Setup utility. 3. From the Main menu, check PS/2 Mouse. 4. Set to Enabled. 5. Press F10 to Save and Exit the BIOS Setup utility. • Reset the computer. If a scroll mouse doesn't work • Scroll mice do not work when the PS/2 Mouse setting is set to Enabled in the BIOS; you must use the External First setting. (Note that the touch pad will not work simultaneously with the scroll mouse.) To choose the External First setting: 1. From the Start menu, shut down, then restart the computer. 2. When you see the HP logo, press F2 to enter the BIOS Setup utility. 3. From the Main menu, go to PS/2 Mouse. 4. Set to External First. 5. Press F10 to Save and Exit the BIOS Setup utility. • To ensure that the external mouse will be detected properly, the notebook must be suspended or shut down before you attach the scroll mouse. Note: If you want to go back to using the touch pad, you must suspend or shut down the computer before you detach the scroll mouse. If the embedded numeric keypad doesn't work • Make sure Num Lock is on. • Don't touch the touch pad while booting or resuming. If a special feature on the PS/2 mouse doesn't work • Make sure you installed any drivers included with the mouse. • Suspend and resume the computer, so that the system will detect the PS/2 mouse. You may also want to test the keyboard and pointing devices with diagnostics. See Testing the Pavilion Notebook with Diag Tools. 22