HP Pavilion ze5200 Service Manual page 82

Call Center:
Symptom Suggestions
Notebook has short Turn down display
operating time when brightness.
on battery.
Check timeout settings in
Power in Control Panel.
Check power management
settings in BIOS Setup. Try
default settings.
Battery gauge might need
calibration. Run HP Battery
Optimizer from Start menu.
Certain applications can
cause excess CPU and
power usage. (User can get
Intel Power Monitor from
www.intel.com and monitor
CPU load.)
When playing DVD movies
on battery power, use Power
Options in Control Panel to
select Portable/Laptop power
scheme.
When using applications with
automatic save feature (such
as MS Word), extend save
time or disable to reduce hard
disk access and power
usage.
PCMCIA card use can affect
battery life. Some PCMCIA
cards draw power even while
not in use.
Heavy modem use can affect
battery operating time.
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.
3-8 Troubleshooting and Diagnostics
Repair Center: Repair Center:
Likely Causes Comments
Battery. Battery capacity often
decreases after a year or
Motherboard.
more.
Battery.
Battery or contacts.
Motherboard.
Battery.
Battery or contacts. Check battery and AC
adapter.
AC adapter.
Check heatsink.
Motherboard.
Heatsink.
Service Manual