HP Omnibook 6000 6100 Service Manual

HP Omnibook 6000/6100 Troubleshooting and Diagnostics 3-1
3 
Troubleshooting and Diagnostics
This chapter includes troubleshooting and diagnostic information for testing the functionality of the
Omnibook and identifying faulty modules:
 · Troubleshooting information
  Troubleshooting the problem (page 3-3).
  Verifying the repair (page 3-4).
  Suggestions for troubleshooting (page 3-5).
 · Diagnostic tools
  Omnibook e-Diagtools diagnostic program (older models include Diagtools) (page 3-17).
  Power-on...

3-2 Troubleshooting and Diagnostics HP Omnibook 6000/6100
Troubleshooting
The suggestions in this section can help isolate and repair the cause of a problem. To ensure quality
repair, HP recommends that you follow the basic troubleshooting steps shown in the illustration
below.
 
Check the customers description
of the problem and any supporting
information.
Try to duplicate the customers
problem.
Troubleshoot the problem using:
  - Diagnostic tools.
  - Troubleshooting suggestions.
Verify the repair by...

HP Omnibook 6000/6100 Troubleshooting and Diagnostics 3-3
Checking for Customer Abuse
Some units may appear to have been damaged by customer abuse. Use these guidelines to help
determine if this is the case:
 · If the shipping box is seriously damaged, customer abuse cannot be declared.
 · If the damage could have a cause other than customer abuse, customer abuse cannot be declared.
 · If the unit shows any of the following, customer abuse is declared:
  Missing parts.
  Broken plastic parts.
  Parts not...

3-4 Troubleshooting and Diagnostics HP Omnibook 6000/6100
Swapping modules that may be defective with others known to be good is generally an ideal way to
find the module responsible for the problem. A failure symptom is rarely caused by more than one
module, so you will not usually need to replace more than one module to correct a particular failure.
After you replace a module, the computer will normally be in a confused state and lock up when you
apply power. If this happens, press the system-off...

HP Omnibook 6000/6100 Troubleshooting and Diagnostics 3-5
Suggestions for Troubleshooting
  Table 3-1. Scope of Diagnostic Tools
Functione-Diagtools/
Diagtools‡
Power-On
Self-Test
Sycard
PCCtest 450
DMI/Toptools
(if installed)
BIOS Setup
BootupTests Describes Configures
ProcessorTests
(System menu)Tests Describes
MemoryTests
(Memory menu)Tests Describes Describes
BatteriesTests (CMOS
battery only)Describes
(W in 98 only)
DisplayTests
(Video menu)Describes
Hard diskTests
(IDE menu)Tests Describes...

3-6 Troubleshooting and Diagnostics HP Omnibook 6000/6100
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
SymptomCall 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 1-14 and the table on...

HP Omnibook 6000/6100 Troubleshooting and Diagnostics 3-7
SymptomCall Center:
Suggestions
Repair Center:
Likely Causes
Repair Center:
Comments
Does not boot from
a CD or DVD in the
CD/DVD driveMake sure the CD or DVD is
bootable.
Use BIOS Setup to check the
boot order.
Restart the computer.
Test the DVD drive with the
e-Diagtools diagnostics.CD/DVD drive
module.
Motherboard.
Error message
such as “Invalid
system disk” or
“Auto IDE error”.Check for a disk in floppy
drive.
Check boot order in BIOS
Setup....

3-8 Troubleshooting and Diagnostics HP Omnibook 6000/6100
SymptomCall Center:
Suggestions
Repair Center:
Likely Causes
Repair Center:
Comments
Does not run on
battery; empty
battery indication.Check the battery and
contacts. If one is available,
try another battery.Battery or contacts.
Motherboard.
Battery does not
charge.Check the power source.
Check the battery contacts. If
available, try another battery
and AC adapter.
Move the computer away
from any nearby heat source.
Unplug the AC adapter and
allow...

HP Omnibook 6000/6100 Troubleshooting and Diagnostics 3-9
SymptomCall Center:
Suggestions
Repair Center:
Likely Causes
Repair Center:
Comments
Punctured display. Declared to be caused by
customer abuse.
Vertical crack near
center of display.Usually caused by
closing display with
pencil-sized object on
keyboard.Declared to be caused by
customer abuse.
Scratched display
glass.Declared to be caused by
customer abuse.
Local area of dark
or light discoloration
visible when display
is on.Caused by excessive...

3-10 Troubleshooting and Diagnostics HP Omnibook 6000/6100
SymptomCall Center:
Suggestions
Repair Center:
Likely Causes
Repair Center:
Comments
Floppy drive
General problems. Make sure floppy drive
module is installed or
connected correctly.
Try using alternate
connection (with or without
floppy cable).
Check settings in BIOS
Setup.Floppy drive module
or contacts.
External floppy drive
cable.
Motherboard.
Floppy drive does
not work as 3-mode
drive.3-mode drive is not
supported when the drive is
connected...