HP PAVILION Pavilion ZE4300 Service Manual page 106

Symptom
Error message such as
"Invalid system disk" or
"Auto IDE error"
Password forgotten
Power
No power
Notebook has short
operating time when on
battery
Turns off immediately
after turning on
Does not run on battery;
empty battery indication
Beeps repeatedly
Service Manual
Call Center: Suggestions
Check for disk in floppy drive.
Check boot order in BIOS Setup.
Remove and reinstall hard drive.
Verify proper ownership, and then
follow removal procedure with owner
and record appropriate data—see
page 5-2.
Make sure charged battery is
installed or AC adapter connected.
Try another battery or AC adapter if
available.
Turn down display brightness.
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 and monitor
http://www.intel.com/
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.
Battery may be extremely low. Plug
in AC adapter or insert charged
battery.
Check battery and contacts. Try
another battery if available.
Notebook beeps repeatedly when
battery is low. Connect AC adapter
or replace battery.
Repair Center:
Likely Causes
Hard drive contacts
Hard drive
AC adapter
Battery
Motherboard
Battery
Motherboard
Battery
Battery or contacts
Motherboard
Battery
Troubleshooting and Diagnostics
Repair Center:
Comments
If notebook boots from
floppy drive, check for
corrupt files on hard
drive, use Recovery CDs
to reinstall factory
software onto hard drive,
replace hard drive.
User must call Technical
Support and provide
proof of ownership.
Password removal is
restricted to certain sites.
See page 5-2.
Battery capacity often
decreases after a year
or more.
3-9