HP Omnibook Xt6050 Service Manual

HP Omnibook XT6050, XT/VT6200 Troubleshooting and Diagnostics 3-25
The following table lists POST messages and explanations for reported problems. If the system fails
after you make changes in BIOS Setup, reset the computer, enter BIOS Setup, and install the defaults
or correct the error.
  Table 3-4. 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...

3-26 Troubleshooting and Diagnostics HP Omnibook XT6050, XT/VT6200
MessageDescription
02F0: CPU ID:
CPU socket number for Multi-Processor error.
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...

HP Omnibook XT6050, XT/VT6200 Troubleshooting and Diagnostics 3-27
MessageDescription
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 recommended
diagnostic tools that test...

3-28 Troubleshooting and Diagnostics HP Omnibook XT6050, XT/VT6200
Windows Management Instrumentation (WMI)
The Windows Management Instrumentation (WMI) is basically a set of rules for accessing
information about a computer. WMI allows an application to determine, for example, the operating
system being used, which hardware and software components are in the computer, and possibly
whether any of the components need replacing. A local or remote application can use the WMI
interface to check which hardware...

HP Omnibook XT6050, XT/VT6200 Troubleshooting and Diagnostics 3-29
BIOS Setup Utility
The BIOS Setup utility provides access to the notebook’s basic configuration settings. It is
independent of the operating system.
Running the BIOS Setup Utility
 1.
 Close all applications, then restart the notebook: click Start, Shut Down (Windows 2000) or Turn
Off Computer (Windows XP), Restart. (If necessary, you can press Ctrl+Alt+Del to restart.)
 2.
 When the HP logo appears, press F2 to enter the BIOS Setup...

3-30 Troubleshooting and Diagnostics HP Omnibook XT6050, XT/VT6200
Primary Video Adapter Sets whether the computer automatically switches to an
external video adapter connected to the docking system, if
one is detected.Auto
Television Type Controls the signal format (NTSC or PAL) output by the
S-video port.NTSC
System Memory Shows the system memory size. 640 KB
Extended Memory Shows the extended memory size (equals total memory size
minus 1 MB).Detected
automatically.
Unique Dock ID Sets whether the...

HP Omnibook XT6050, XT/VT6200 Troubleshooting and Diagnostics 3-31
Security MenuDescriptionDefault
User Password is Shows if a user password is set. Clear
Administrator Password is Shows if an administrator password is set. Clear
Set User Password Press Enter to set, change, or clear the user password. The
password can have no more than 8 characters (0-9, A-Z), and
cannot include special or accented characters.Enter
Set Administrator
PasswordPress Enter to set, change, or clear the administrator...

3-32 Troubleshooting and Diagnostics HP Omnibook XT6050, XT/VT6200
Updating the Notebook’s BIOS
Hewlett-Packard may from time to time provide updates to the notebook’s BIOS. Use e-DiagTools for
Windows to download and install these BIOS updates as needed—see “Using e-DiagTools for
Windows” on page 2-29.
  Caution
 
The BIOS update completely replaces the previous BIOS, so follow these directions exactly or you
might damage the notebook. The BIOS update also resets the configurations in the BIOS Setup...

HP Omnibook XT6050, XT/VT6200 Replaceable Parts 4-1
4 
Replaceable Parts
This chapter contains an exploded view of the Omnibook and the following lists of parts:
 
• Omnibook replaceable parts (page 4-3).
 
• Accessory replacement parts (page 4-6).
 
• Part number reference (page 4-7). 

4-2 Replaceable Parts HP Omnibook XT6050, XT/VT6200
 
  Figure 4-1. Exploded View