Keyboard And Pointing Device Problems - HP Pavilion XZ335 Reference Manual

apart, with no obstructions between them. Sunlight, heat from nearby equipment, and
other sources of infrared radiation can also cause transmission errors.
• Make sure only one application is using the infrared port.

Keyboard and pointing device problems

If the pointer is difficult to control
• Adjust the pointer controls: click Start, Control Panel, Printers and Other Hardware,
Mouse.
If the touch pad or scroll pad doesn't work
• Don't use the touch pad or scroll pad while the notebook is rebooting or resuming. If
this happens, try the following:
• Press any key on the keyboard.
• Put the notebook on standby, then resume operation.
• The touch pad and scroll pad are automatically disabled when the notebook is docked
in a port replicator that has a PS/2 mouse connected.
• Restart the notebook: click Start, Turn Off Computer, Restart.
• Check settings: click Start, Control Pad, Printers and Other Hardware, Mouse,
Scrolling.
• Test the keyboard and pointing devices with the e–DiagTools diagnostics—see
"Testing the Hardware" on page 120.
If the embedded numeric keypad doesn't work
• To type numbers, make sure Num Lock is on.
• Make sure the embedded Keypad Lock (Fn+F8) is on—or that you press and hold the
Fn key to temporarily access the embedded keypad.
Troubleshooting and Maintenance
Getting Assistance for Your Notebook
Reference Guide 105