HP Omnibook 4100 4150 Service Manual

HP OmniBook 4100/4150 Troubleshooting and Diagnostics 3-13
Diagnostic Tools
This section describes the following diagnostic tools you can use for troubleshooting and repairing the
OmniBook:
 · OmniBook hardware diagnostic program (below).
 · Power-on self-test (page 3-20).
 · Sycard PCCtest 450 PC Card (page 3-23).
 · Desktop Management Interface (page 3-23).
 · BIOS Setup utility (page 3-26).
OmniBook Diagnostic Program
The OmniBook hardware diagnostic program provides two levels of testing:
 ·...

3-14 Troubleshooting and Diagnostics HP OmniBook 4100/4150
 · Check the \Dmi\Hpdiags directory. If diaginst is in this directory, run it.
–or–
If TopTools is installed, check whether the DiagTools page can create the disk.
 · On any computer with World Wide Web access, download the diagnostic software package from
the OmniBook website (see page vi), then follow the instructions.
Running the Diagnostic Test
 1. If you’re using a diagnostic floppy disk, insert it in the floppy drive—or press F10 in the...

HP OmniBook 4100/4150 Troubleshooting and Diagnostics 3-15
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
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...

3-16 Troubleshooting and Diagnostics HP OmniBook 4100/4150
CodeSuggestions
0132h -
0150hFor the OB 4100 for 01FFFFFFh and below,
replace the motherboard. Otherwise, replace
the RAM board (each 01000000h represents
16MB).
0160h Address bus short. Remove any RAM board
and rerun the test. Check the CPU module for
shorts. Replace the motherboard.
0170h -
0172hReplace the motherboard.
0180h For the OB 4100 for 01FFFFFFh and below,
replace the motherboard. Otherwise, replace
the RAM board (each 01000000h...

HP OmniBook 4100/4150 Troubleshooting and Diagnostics 3-17
CodeSuggestions
0342h -
0344hRun BIOS Setup and check the floppy drive
type. Replace the floppy drive.
0345h Replace the motherboard.
0347h Run BIOS Setup and check the floppy drive
type. Check the connectors on the floppy drive
and motherboard. Replace the floppy drive.
0348h -
0349hTransient DMA error. Rerun the test.
0350h Rerun the test with another floppy disk.
Replace the floppy drive.
0360h Replace the motherboard.
0380h -
03AAhMake sure...

3-18 Troubleshooting and Diagnostics HP OmniBook 4100/4150
CodeSuggestions
08D0h -
08F3hReplace the motherboard (or VGA PCA for the
OB 4150†).
9003h -
9004h(See Microphone Tests near end of table.)
9018h -
901Ah(See NMA2 Sound near end of table.)
Video Tests
0900h -
0901hReplace the VGA PCA.
0903h -
0906hReplace the LVDS PCA. Replace the VGA
PCA.
0907h -
0908hReplace the VGA PCA.
0909h -
090AhReplace the LVDS PCA. Replace the VGA
PCA.
090Ch -
090FhReplace the VGA PCA.
0911h If this test fails on the...

HP OmniBook 4100/4150 Troubleshooting and Diagnostics 3-19
CodeSuggestions
IR Tests (FIR enabled, undocked)
9002h Reboot the computer. Replace the
motherboard.
9007h -
9008hReboot the computer. Run BIOS Setup and
restore default settings. Replace the
motherboard.
9009h Do not run this test in Windows. For the one-
unit test, replace the motherboard. For the two-
unit test, make sure the IR ports on the
reflector and test computers are lined up,
replace the IR PCA, replace the motherboard.
900Ah Rerun the...

3-20 Troubleshooting and Diagnostics HP OmniBook 4100/4150
Power-On Self-Test
  Note
 
If Quiet Boot is enabled in BIOS Setup (the default setting), press ESC during boot to see POST
messages.
The POST (Power-On Self-Test) is a series of initialization routines and diagnostic tests that the
system BIOS runs when the computer boots. The system BIOS will not boot the operating system if
system memory, the CPU, DMA, or the interrupt controller fails the POST diagnostic tests. POST
progress is indicated by a...

HP OmniBook 4100/4150 Troubleshooting and Diagnostics 3-21
 Table 3-5. POST Messages
MessageDescription
0200 Failure Fixed Disk
Fixed disk is not working or not configured properly. Check to see if fixed disk is attached
properly. Run Setup. Find out if the fixed-disk type is correctly identified.
0210 Stuck key
Stuck key on keyboard.
0211 Keyboard error
Keyboard not working.
0212 Keyboard Controller Failed
Keyboard controller failed test. May require replacing keyboard controller.
0213 Keyboard locked -...

3-22 Troubleshooting and Diagnostics HP OmniBook 4100/4150
MessageDescription
02F7: Fail-Safe Timer NMI Failed
ServerBIOS2 test error: Fail-Safe Timer takes too long.
device Address Conflict
Address conflict for specified device.
Allocation Error for: deviceRun ISA or EISA Configuration Utility to resolve resource conflict for the specified device.
CD ROM Drive
CD ROM Drive identified.
Entering SETUP ...
Starting Setup program
Failing Bits: nnnnThe hex number nnnn is a map of the bits at the RAM address...