HP Omnibook 6000 6100 Service Manual

HP Omnibook 6000/6100 Troubleshooting and Diagnostics 3-11
SymptomCall Center:
Suggestions
Repair Center:
Likely Causes
Repair Center:
Comments
Audio
No sound is
audible.Increase sound volume
(Fn+UP and software
controls).
Check settings in BIOS
Setup.
Check whether sound is
enabled (audio-off button and
software controls).
Check for sound resource
conflicts in Device Manager.Top case.
Volume PCA
Motherboard.Check operation using
headphones or external
speakers (volume PCA).
Sound does not
record.Check...

3-12 Troubleshooting and Diagnostics HP Omnibook 6000/6100
SymptomCall Center:
Suggestions
Repair Center:
Likely Causes
Repair Center:
Comments
LAN/Network
General problems. Check connections.
Try connecting a different
computer to the cable.
Check settings in BIOS
Setup.
Check settings in Control
Panel.
Make sure the LAN cable is
Category 3, 4, or 5 for
10Base-T operation, or
Category 5 for 100Base-TX
operation. Maximum cable
length is 100 meters (330
feet).
Run the e-Diagtools LAN
test.Mini-PCI card...

HP Omnibook 6000/6100 Troubleshooting and Diagnostics 3-13
SymptomCall Center:
Suggestions
Repair Center:
Likely Causes
Repair Center:
Comments
Wireless
General problems. Check TCP/IP setup in
Control Panel. For
W indows 98: try disabling
DNS in TCP/IP setup.
Check SSID, channel, and
encryption settings: click
wireless link icon in taskbar
and select Advanced
Configuration.Mini-PCI card #1.
Rear antenna PCA.
Front antenna PCA.
Motherboard.Make sure all cables are
properly connected to mini-
PCI card #1...

3-14 Troubleshooting and Diagnostics HP Omnibook 6000/6100
SymptomCall Center:
Suggestions
Repair Center:
Likely Causes
Repair Center:
Comments
Computer gets
abnormally hotAlways set the computer on a
flat surface, so that air can
flow freely around and
underneath it
Make sure the air vents are
clear.
Games and other programs
that drive CPU usage toward
100% can contribute.Heatsink. Check the heatsink for
proper fan operation or
heatsink damage.
Check the thermal contact
between the CPU and
heatsink....

HP Omnibook 6000/6100 Troubleshooting and Diagnostics 3-15
SymptomCall Center:
Suggestions
Repair Center:
Likely Causes
Repair Center:
Comments
Computer is still on
but stops
responding.Press CTRL+ALT+DEL and
end any application that is
not responding.
Slide and hold the power
button four seconds to turn
off and reset the computer.
Press the blue sleep button
to turn the computer back on.
If the above fails, insert a
straightened paper clip into
the system-off switch. Then
press the blue sleep button
to...

3-16 Troubleshooting and Diagnostics HP Omnibook 6000/6100
SymptomCall Center:
Suggestions
Repair Center:
Likely Causes
Repair Center:
Comments
Accessories
Docking product I/O
problemsMake sure AC power is
connected to the dock.
Make sure computer is fully
inserted in dock.
Check computer’s power
supply.
Check settings in BIOS
Setup.
Try using the corresponding
port on the computer while
undocked.Docking product.
Motherboard.Test the corresponding
Omnibook ports while
undocked.
The port replicator and...

HP Omnibook 6000/6100 Troubleshooting and Diagnostics 3-17
Diagnostic Tools
This section describes the following diagnostic tools you can use for troubleshooting and repairing the
Omnibook:
 · Omnibook e-Diagtools or Diagtools (below).
 · Power-on self-test (page 3-24).
 · Sycard PCCtest 450 PC Card (page 3-27).
 · Desktop Management Interface (page 3-28).
 · BIOS Setup utility (page 3-29).
Overview of Diagnostic Tools
The hardware diagnostic programs provide two levels of testing:
 · User-level testing...

3-18 Troubleshooting and Diagnostics HP Omnibook 6000/6100
Running e-Diagtools
The following steps describe e-Diagtools. Diagtools steps may differ slightly.
 1. Restart the computer.
 2. When the HP logo appears, press F10 to start the diagnostic test.
 3. When the menu appears, press ENTER to run e-DiagTools.
 4. The first time you run the program, you are prompted to select the language for the program.
 5. Press F2 to proceed with the basic tests.
 You can also proceed directly to the advanced tests...

HP Omnibook 6000/6100 Troubleshooting and Diagnostics 3-19
Note that the serial and parallel port tests are more thorough if you connect a loop-back connector to
the port before running the test for that port. See the wiring diagrams below.
14
125 13
6
19 5
Figure 3-3. Serial and Parallel Loopback Connectors
These connections
are not used.
Diodes are 1N4004
or equivalent
(I
F=1A, VF=1V@1A,
V
R=30-400V) 

3-20 Troubleshooting and Diagnostics HP Omnibook 6000/6100
Interpreting the Results
The following table lists test groups, error codes, and suggestions for follow-up actions. Consider these
suggestions in combination with other troubleshooting information.
 Table 3-3. Omnibook Diagnostic Error Codes
CodeSuggestions
Note: If the BIOS IC appears to be corrupted, you can try
to repair it (see page 2-33).
System Tests
0001h –
0008hReseat or replace the CPU module.
0009h
OB 6000: Replace the power supply PCA....