HP Omnibook Xe4500 Service Manual

HP Omnibook XE4100/XE4500 Troubleshooting and Diagnostics 3-17
Diagnostic Tools
This section describes the following diagnostic tools you can use for troubleshooting and repairing the
notebook:
 • Notebook e-Diagtools diagnostic program (below).
 • Power-on self-test (page 3-19).
 • Sycard PCCtest 450 PC card (page 3-25).
 • Windows Management Instrumentation (page 3-26).
 • BIOS Setup utility (page 3-27).
e-Diagtools Diagnostic Program
The hardware diagnostic programs provide two levels of testing:
 •...

3-18 Troubleshooting and Diagnostics HP Omnibook XE4100/XE4500
Running e-Diagtools
The following procedure describes how to run e-Diagtools. The individual steps might differ slightly
for different versions of e-Diagtools.
 1. Click Start, Turn Off Computer (or Shut Down), Restart.
 2. When the HP logo appears, press F10 to start the diagnostic test.
The first time you run the program, you are prompted to select the language for the program.
 3. When the menu appears, press F2 to run e-Diagtools.
 4....

HP Omnibook XE4100/XE4500 Troubleshooting and Diagnostics 3-19
Interpreting the Results
The e-Diagtools diagnostic program returns test groups, error codes, and suggestions for repair and/or
follow-up actions. The basic hardware test shows a recommended replacement part.
To help interpret the results of the e-Diagtools tests, refer to the following:
 • e-Diagtools Support Ticket on page 3-18.
 • Replaceable Module Diagram on page 1-14
 • Functional Structure Description on page 1-15
This combined...

3-20 Troubleshooting and Diagnostics HP Omnibook XE4100/XE4500
Power-On Self-Test
  Note
 
If Quiet Boot is enabled in BIOS Setup (the default setting), press Esc during boot to see POST
messages.
When the notebook boots, its system BIOS runs a series of initialization routines and diagnostic tests
called POST (Power-On Self-Test). The BIOS will not boot the notebook’s operating system if the
system memory, CPU, DMA, or interrupt controller fails the POST diagnostic tests. POST indicates
progress by a...

HP Omnibook XE4100/XE4500 Troubleshooting and Diagnostics 3-21
Beep Codes*POST Description1-3-1-3 Test 8742 Keyboard Controller (on motherboard).1-3-2-1 Set ES segment register to 4 GB.1-3-3-1 Auto size DRAM; or wrong type or no RAM installed.1-3-3-2 Initialize POST Memory Manager.1-3-3-3 Clear 512 kB base RAM.1-3-4-1 RAM failure on address line xxxx.1-3-4-3 RAM failure on data bits xxxx of low byte of memory bus.1-3-4-4 Enable cache before system BIOS shadow.1-4-1-1 RAM failure on data bits xxxx of high...

3-22 Troubleshooting and Diagnostics HP Omnibook XE4100/XE4500
Beep Codes*POST Description3-2-1-4 Build MPTABLE for multi-processor boards.3-2-2-2 Install CD-ROM for boot.3-2-2-3 Clear huge ES segment register.3-2-2-4 Fix up Multi Processor table.3-2-3-2 Check for SMART Drive (optional).3-2-3-3 Shadow option ROMs.3-2-4-1 Set up Power Management.3-2-4-2 Initialize security engine (optional).3-2-4-3 Enable hardware interrupts.3-2-4-4 Determine number of ATA and SCSI drives.3-3-1-1 Set time of day.3-3-1-3...

HP Omnibook XE4100/XE4500 Troubleshooting and Diagnostics 3-23
The following table lists POST messages and explanations for reported problems. If the system fails
after you make changes in BIOS Setup, reset the notebook, enter BIOS Setup, and install the defaults
or correct the error.
  Table 3-5. POST Messages
MessageDescription
0200 Failure Fixed Disk
Fixed (hard) disk is not working or not configured properly. Make sure the hard disk is
installed properly. Run BIOS Setup and make sure the hard disk...

3-24 Troubleshooting and Diagnostics HP Omnibook XE4100/XE4500
MessageDescription
02F4: EISA CMOS not writeable
ServerBIOS2 test error: Cannot write to EISA CMOS.
02F5: DMA Test Failed
ServerBIOS2 test error: Cannot write to extended Direct Memory Access (DMA) registers.
02F6: Software NMI Failed
ServerBIOS2 test error: Cannot generate software Non-Maskable Interrupt (NMI).
02F7: Fail-Safe Timer NMI Failed
ServerBIOS2 test error: Fail-safe timer takes too long.
device Address Conflict
Address conflict...

HP Omnibook XE4100/XE4500 Troubleshooting and Diagnostics 3-25
System BIOS shadowed
System BIOS copied to shadow RAM.
UMB upper limit segment address: nnnn
Displays the address nnnn of the upper limit of Upper Memory Blocks (UMB), indicating
released segments of the BIOS that can be reclaimed by a virtual memory manager.
Video BIOS shadowed
Video BIOS copied to shadow RAM.
Sycard PCCtest 450/460 PC Card (Optional)
The PCCtest 450 and 460 cards (version 1.05) from Sycard Technology are the only...

3-26 Troubleshooting and Diagnostics HP Omnibook XE4100/XE4500
Windows Management Instrumentation (WMI)
The Windows Management Instrumentation is basically sets of rules for accessing information about a
notebook. WMI allows an application to determine, for example, the operating system being used,
which hardware and software components are in the notebook, and possibly whether any of the
components need replacing. A local or remote application can use the WMI interface to check which
hardware and...