HP Omnibook Xt6050 Service Manual

HP Omnibook XT6050, XT/VT6200 Troubleshooting and Diagnostics 3-5
Suggestions for Troubleshooting
  Table 3-1. Scope of Diagnostic Tools
Functione-DiagtoolsPower-On
Self-Test
Sycard
PCCtest 450
DMI/WMI/
Toptools
(if installed)
BIOS Setup
BootupTests Describes Configures
ProcessorTests
(System menu)Tests Describes
MemoryTests
(Memory menu)Tests Describes Describes
FanTests
(Misc menu)
BatteriesTests (CMOS
battery only)
DisplayTests
(Video menu)Describes Configures
Hard diskTests
(IDE menu)Tests Describes...

3-6 Troubleshooting and Diagnostics HP Omnibook XT6050, XT/VT6200
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 of a problem, determine which replaceable modules are involved in the system
function and what roles they play: see the figure on page...

HP Omnibook XT6050, XT/VT6200 Troubleshooting and Diagnostics 3-7
SymptomCall Center:
Suggestions
Repair Center:
Likely Causes
Repair Center:
Comments
Does not boot from
CD in CD/DVD
drive moduleMake sure CD is bootable.
Use BIOS Setup to check
default boot order.
Restart notebook.CD/DVD drive
module.
Motherboard.
Sluggish startup or
shutdown.Use Tools tab in disk’s
Properties sheet to check
hard disk. Use Disk
Defragmenter to optimize
hard disk.
Delete temporary and
unneeded files.Hard drive.
Does not...

3-8 Troubleshooting and Diagnostics HP Omnibook XT6050, XT/VT6200
SymptomCall Center:
Suggestions
Repair Center:
Likely Causes
Repair Center:
Comments
Notebook has short
operating time
when on battery.Turn down display
brightness.
Check timeout settings in
Power in Control Panel.
Check power management
settings in BIOS Setup. Try
default settings.
Run HP Battery Optimizer
(Omnibook XT/VT6200
models).
Battery gauge may need
calibration. Restart notebook,
press F6 when HP logo
appears, and follow onscreen...

HP Omnibook XT6050, XT/VT6200 Troubleshooting and Diagnostics 3-9
SymptomCall Center:
Suggestions
Repair Center:
Likely Causes
Repair Center:
Comments
Battery indicator is
inaccurate.Time Remaining is an
estimate based on
notebook’s power use at that
moment. It therefore
depends on current task, and
assumes power will be used
at that rate until battery runs
out. So if notebook is
currently using good deal of
power (such as when reading
CD or DVD), Time
Remaining likely shows less
time than actually...

3-10 Troubleshooting and Diagnostics HP Omnibook XT6050, XT/VT6200
SymptomCall Center:
Suggestions
Repair Center:
Likely Causes
Repair Center:
Comments
Display
Dark display, no
light.Make sure notebook is
turned on and warmed up.
Check power supply.
Make sure SDRAM modules
are installed properly.
Adjust display brightness.
Press Fn+F5 several times.
Try external monitor.Display cable
connection.
SDRAM modules.
CPU module.
Display assembly.
Motherboard.Check cable connections.
Replace SDRAM modules.
Make...

HP Omnibook XT6050, XT/VT6200 Troubleshooting and Diagnostics 3-11
SymptomCall Center:
Suggestions
Repair Center:
Likely Causes
Repair Center:
Comments
Files corrupted. Run virus scan program.
Check hard disk using Tools
tab in disk’s Properties sheet.
Test hard disk drive with
e-Diagtools diagnostics.
Back up files if possible, then
use Recovery CDs
 to
reformat hard disk and
reinstall factory software.
Disk capacity less
than normal.Check hard disk using Tools
tab in disk’s Properties sheet.
Check...

3-12 Troubleshooting and Diagnostics HP Omnibook XT6050, XT/VT6200
SymptomCall Center:
Suggestions
Repair Center:
Likely Causes
Repair Center:
Comments
Region Code error. DVDs contain embedded
regional codes that prevent
them from playing outside
region in which they are sold.
This error occurs when trying
to play DVD intended for
different region.
Important:
 Most DVD drives
allow region code to be
changed only a limited
number of times (usually no
more than four). W hen this
limit is reached, last...

HP Omnibook XT6050, XT/VT6200 Troubleshooting and Diagnostics 3-13
SymptomCall Center:
Suggestions
Repair Center:
Likely Causes
Repair Center:
Comments
Pointing stick
General problems. Reset notebook (see
page 1-8).
Check settings in Control
Panel. Make sure pointing
stick is enabled in Mouse
Properties.
By default, pointing stick is
disabled if external PS/2
mouse is connected, Use
BIOS Setup to check
settings.Keyboard.
Motherboard.Try reinserting flex cable in
connector on motherboard.
Special...

3-14 Troubleshooting and Diagnostics HP Omnibook XT6050, XT/VT6200
SymptomCall Center:
Suggestions
Repair Center:
Likely Causes
Repair Center:
Comments
Audio
No sound audible. Increase sound volume.
Check whether sound is
enabled (audio-off button and
software controls).
Check for sound resource
conflicts in Device Manager.
Test audio with e-Diagtools
diagnostics.Top case.
Speaker assembly.
Volume PCA.
Motherboard.Check operation using
headphones or external
speakers (volume PCA).
Make sure speaker...