Symptom
Password has been forgotten
Power/Battery
Short battery operating time
Does not run on battery, empty battery indicator
Battery does not charge
Second battery does not work, main battery works
Battery indicator is inaccurate
Display
Dark display, no light
White display
Erratic display
Bright or missing pixels or lines
Call Center:
Suggestions
Verify proper ownership, then follow the removal procedure with the owner and log the appropriate
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.)
Heavy modem use can affect battery operating time.
Check battery contacts. If available, try another battery.
Check the power source.
Check battery contacts. If available, try another battery and ac adapter.
Check for high ambient temperature and blocked air vents.
Try swapping the two batteries.
Check contacts on second battery.
Second battery does not charge until main battery is fully charged.
Completely charge and discharge the battery 2 to 4 cycles in the unit.
Adjust display brightness. Press Fn+F5 several times. Try external monitor.
Adjust display brightness.
See quality statement on page
Repair Center: Likely Causes
Battery.
Motherboard.
Battery or contacts. Motherboard.
Battery or contacts. AC adapter. Motherboard. Heatsink (fan).
Second battery or contacts.
Motherboard.
Motherboard.
LCD module (backlight).
Display cable or connections.
Inverter PCA.
LVDS PCA.
LCD module.
Inverter PCA.
LVDS PCA.
Display cable or connections.
LCD module.
LCD module.
Display cable or connections.
Repair Center:
Comments
The user must call Technical Support and provide proof of ownership. Password removal is restricted to certain sites. See page
Battery capacity often decreases after a year or more.
Check ac adapter.
Check fan.
Try cycling the battery charge.
If an external monitor displays no image, replace the video PCA instead, then motherboard.
See quality statement on page
Troubleshooting and Diagnostics | HP OmniBook 7100 |