Symptom
Password has been forgotten
OmniBook 3000 fan turns on, no display, cannot reset
Power/Battery
Short battery operating time
Does not run on battery, empty battery indicator
Battery does not charge
Secondary battery does not work, main battery works
Battery indicator is inaccurate
Display
Dark display, no light
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.
Check
Secondary 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.
Repair Center:
Likely Causes
An OmniBook 3000 may have to be shipped to an HP service center.
Audio PCA (rev 1.0).
Battery.
Motherboard.
Battery or contacts. Motherboard.
Battery or contacts. AC adapter. Motherboard.
Fan.
Secondary battery or contacts.
Motherboard.
Motherboard.
LCD module (backlight).
LCD cables or connections.
Inverter PCA.
LVDS PCA.
Repair Center:
Comments
The user must call Technical Support and provide proof of ownership. Password removal is restricted to certain sites. See page
For an OmniBook 3000 with serial number TW745... or lower, replace the audio PCA if it is marked rev 1.0 on the corner of the PCA. Also, if the smaller of the two connectors on the motherboard for mounting the audio PCA is tilted slightly, replace the motherboard. (Service note
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 motherboard instead.
Troubleshooting and Diagnostics | HP OmniBook 2100/3000/3100 |