Troubleshooting Techniques; Display Problems - HP Omnibook XE4000 series Startup Manual

Troubleshooting Techniques

Troubleshooting and Maintenance
Troubleshooting Techniques
This section contains solutions to a few basic problems you might have with your
computer. Try the solutions one at a time, in the order in which they are presented.
Here are some other sources of information for troubleshooting:
• See the troubleshooting chapter in the online Reference Guide for a more complete
list of troubleshooting suggestions.
• Open the HP Web-based troubleshooting tool: click Start, All Programs, HP Instant
Support (Windows XP), or double-click the HP Instant Support icon on the Windows
desktop (Windows 2000). Search or browse the troubleshooting database for the
information related to your problem.
• Click Start, Help and Support, Fixing a Problem (Windows XP) or Start, Help
(Windows 2000), and use the Windows troubleshooters.
• See the Microsoft Windows manual shipped with the computer.
• See the HP Notes in the online HP Library for updated information.
• Find technical tips and software updates for the computer at the HP Business Support
Web site (www.hp.com/go/bizsupport).
• Test your computer by running the e-Diagtools test program. See "Testing the
Hardware" on page 46.
• Contact your dealer or Hewlett-Packard—see "To contact HP for support or service"
on page 52. Please have your computer with you when you call.

Display Problems

If the computer is on, but the screen is blank
• Move the mouse or tap the touch pad. This will wake the display if it is in Display-off
mode.
• Press Fn+F5 in case the internal display was disabled. (Do this three times to return to
the state you started from.)
• If the computer is cold, allow it to warm up.
42 Startup Guide