HP omnibook xe3 Manuale Di Servizio

Pagina di 117
HP OmniBook XE3
Troubleshooting and Diagnostics
3-5
If you cannot isolate the cause of a problem using the above diagnostic tools, use the suggestions in
the following table to help find the problem.
 
Table 3-2. Troubleshooting Suggestions
Symptom
Call Center:
Suggestions
Repair Center:
Likely Causes
Repair Center:
Comments
To help determine likely causes, check to see what replaceable modules are involved in the system function and
what roles they play. See the figure on page 1-18 and the table on page 1-18.
Startup
Does not boot on
AC or battery.
Check power source.
Press system-off switch to
reset notebook, then press
blue standby button to turn
notebook on.
Unplug AC adapter, remove
battery, remove any PC
cards, undock, then
reconnect power and try
again.
Remove all but one SDRAM
module and try again.
Reinsert any other SDRAM
modules and try again.
AC adapter.
SDRAM module.
CPU module.
Video PCA.
Motherboard.
Display assembly.
Hard drive.
Check AC adapter. Remove
any SDRAM modules and try
again.
If power status light does not
turn on, replace
motherboard.
If power status light turns on
but display remains off, try
external monitor. If monitor
shows successful boot,
replace display assembly. If
monitor shows activity but
BIOS does not complete,
replace display assembly. If
monitor is blank, replace
switchboard PCA, replace
motherboard.
If power status light and
display turn on and BIOS
completes, but OS does not
start from hard disk or from
floppy drive, replace CPU
module, then motherboard. If
OS starts from floppy drive,
reload hard drive, replace
hard drive.
Beeps once, spins
hard disk, repeats,
but does not boot.
SDRAM module.
Make sure at least one
SDRAM module is installed.
Does not boot on
battery, but boots
on AC.
Make sure battery is properly
installed and fully charged.
Check battery contacts. If
available, try another battery.
Battery or contacts.
Motherboard.
Does not boot from
floppy drive.
Make sure floppy disk is
bootable.
Make sure floppy drive is
installed correctly.
Use BIOS Setup to check
boot order and make sure
floppy boot is enabled as first
boot device.
Floppy drive or
contacts.
Motherboard.