HP Pavilion ze4100 HP Pavilion Notebook PC - ze4100 and xt100 Series (KA, KB) - Page 99
Display Problems
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Troubleshooting and Maintenance Troubleshooting Your Computer 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. If the screen is difficult to read • Try setting the display resolution to its default setting of 1024×768 or higher, depending on your model: click Start, Control Panel, Appearance and Themes, Display. • Try adjusting the size of the desktop icons and labels-see "To adjust the display" on page 34. If an external display does not work • Check the connections. • Press Fn+F5 in case the external monitor was disabled. (Do this three times to return to the state you started from.) • The external monitor may not be detected. In the BIOS Setup utility, try setting Video Display Device to Both in the System Devices menu. • If you're using a TV connected to the S-video port, you must activate the TV-see "To use a TV set as a monitor" on page 83. • Test the display with the e-Diagtools diagnostics. See "Testing the Hardware" on page 115. If HP Presentation Ready does not switch to your video settings • If you're using an external monitor that isn't a plug-and-play device, open Control Panel Display and set up a monitor that supports the video settings you intend to use for your presentation. If one or more display pixels look bad TFT display manufacturing is a highly precise but imperfect technology, and manufacturers cannot produce displays that are cosmetically perfect. Most, if not all, TFT Reference Guide 99