HP Omnibook XE4100 Service Manual page 72

Symptom Call Center:
Suggestions
Turns off Battery may be extremely
immediately after low. Plug in AC adapter or
turning on. insert charged battery
Does not run on Check battery and contacts.
battery; empty Try another battery if
battery indication. available.
Beeps repeatedly. Notebook beeps repeatedly
when battery is low. Connect
AC adapter or replace
battery.
Battery does not Make sure AC adapter has
charge. correct power rating.
Make sure AC adapter is
connected properly and
battery installed properly.
Check battery contacts. If
available, try another battery
and AC adapter.
Move notebook away from
any nearby heat source.
Unplug AC adapter and allow
battery to cool. Check for
blocked air vents.
AC adapter does Try another AC adapter, if
not power available.
notebook.
Battery indicator is Time Remaining is an
inaccurate. estimate based on
notebook's power use at that
moment. It therefore
depends on current task, and
assumes power will be used
at that rate until battery runs
out. So if notebook is
currently using good deal of
power (such as when reading
CD or DVD), Time
Remaining likely shows less
time than actually remains.
Standby/resume
General problems. Close all applications before
entering (or allowing
notebook to enter) Standby
or Hibernate mode.
If problem appears after
installing new software
(including drivers), uninstall
that software. Contact
software vendor for additional
support.
3-8 Troubleshooting and Diagnostics
Repair Center: Repair Center:
Likely Causes Comments
Battery.
Battery or contacts.
Motherboard.
Battery.
Battery or contacts. Check battery and AC
adapter.
AC adapter.
Check heatsink.
Motherboard.
Heatsink.
AC adapter. AC adapter cannot be
repaired, and must be
Motherboard.
replaced.
HP Omnibook XE4100/XE4500