3-6 Troubleshooting and Diagnostics HP OmniBook XE2 Symptom Call Center: Repair Center: Repair Center: Suggestions Likely Causes Comments Password has been forgotten Verify proper ownership, then follow the removal procedure with the owner and log the appropriate data—see page 5-1. The user must call Technical Support and provide proof of ownership. Password removal is restricted to certain sites. See page 5-1. Power/Battery Short battery operating time Turn down display brightness. Check power management settings in BIOS Setup. Try the default settings. Inform user that certain applications can cause excess power usage.
(User can get power monitor from www.intel.com and monitor CPU load.) Some PC cards (PCMCIA) draw power even while not in use. Heavy modem use can affect battery operating time. Battery. Motherboard. Battery capacity often decreases after a year or more. Does not run on battery, empty battery indication Check battery contacts. If available, try another battery. Battery or contacts. Motherboard. Battery does not charge Check the power source. Check battery contacts. If available, try another battery and AC adapter. Check for high ambient temperature and blocked air vents. Battery or contacts. AC adapter. Motherboard. Fan. Check AC adapter. Check fan.
Display Dark display, no light Adjust display brightness. Press Fn+F12 several times. Try external monitor. LCD module (backlight). LCD cable or connections. Inverter PCA. Reseat the I/O PCA. If an external monitor displays no image, replace the I/O PCA instead, then motherboard. White display Adjust display brightness. LCD module. Inverter PCA. Erratic display LCD cable or connections. LCD module. Bright or missing pixels or lines See quality statement on page 5-2. LCD module. LCD cable or connections. See quality statement on page 5-2. Hard disk Hard disk never spins Check the power source. Remove and reinsert the hard drive. Check the contacts. Hard drive or contacts. Motherboard.
Hard drive case. If the drive case is damaged, it can prevent proper operation.