HP Pavilion 2159m, User Manual

Page: 97 / 130

Solving Problems with Your Computer
Troubleshooting Techniques
User's Guide 97
4. If the default has been changed, select CD-ROM/DVD for first boot device.
5. Exit the BIOS Setup utility.
•
Reboot the computer.
You may also want to test the CD-ROM drive with diagnostics. See Testing Hardware
Operation.
Display Problems
If the computer is on, but the screen is blank
•
Try pressing Fn+F1 to increase the contrast or Fn+F2 to decrease the contrast. (On
TFT displays, contrast control is not necessary and therefore is not available.)
•
Press Fn+F12 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.
If the screen is difficult to read
•
Check whether the display resolution is set to its default setting—800×600 for 12.1"
display or 1024×768 for larger displays. Check this in Start, Settings, Control Panel,
Display, Settings.
•
If you have an HPA display, try pressing Fn+F1 to increase contrast.
If part of the Windows desktop is not visible and you have to scroll down to see the
taskbar
•
Your display resolution may be set to 1024×768 on a 12.1" display, instead of
800×600. You need to set the monitor type to Laptop Display Panel (800×600) in
Windows 98 or Digital Flat Panel in Windows ME.
1. Click Start, Settings, Control Panel.
2. Double-click Display.
3. Click the Settings tab.
4. Click Advanced.
5. Click the Monitor tab.
6. Click Change.
7. Click Next.