HP PAVILION NX9005 - Manual (Page 106)

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