HP omnibook 510 Manuale Di Servizio
Troubleshooting and Maintenance
Troubleshooting Your Computer
Troubleshooting Your Computer
114 Reference
Guide
• If an external mouse is connected, the pointing stick is normally disabled. You can
change this setting with the BIOS Setup utility—see “To run the BIOS Setup utility”
on page 131.
on page 131.
• Restart the computer: click Start, Shut Down (or Turn Off Computer), Restart.
If the scroll button doesn’t scroll in some applications
• Some applications do not support the default type of scrolling used by the scroll
button. You can use Mouse in Control Panel to make the scroll button work like a
standard middle mouse button in all applications.
standard middle mouse button in all applications.
If a PS/2 scroll mouse doesn’t work
• The mouse must automatically replace the pointing stick for the mouse’s scroll
feature to work. In the BIOS Setup utility, make sure the PS/2 Pointing Devices
option in the System Devices menu is set to Auto. See “To run the BIOS Setup
utility” on page 131.
option in the System Devices menu is set to Auto. See “To run the BIOS Setup
utility” on page 131.
• Suspend or shut down the computer before you attach the scroll mouse, so that it will
be detected properly.
• Test the keyboard and pointing stick with the e-Diagtools diagnostics—see “Testing
the Hardware” on page 129.
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
• 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.
If you can’t type the euro symbol
• Hold ALT GR when you press the marked key.
• The euro symbol is not on the U.S. English keyboard. Make sure the embedded
• The euro symbol is not on the U.S. English keyboard. Make sure the embedded
keypad is active (Fn+F8) and Num Lock is on, then hold ALT while typing 0128 on
the numeric keypad.
the numeric keypad.
• Support for the euro symbol requires software available from Microsoft. This
software is installed in the factory software, but may not be included with retail
Windows.
Windows.