HP omnibook xt1000 Manuale Di Servizio

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HP Pavilion zt1100/xz100 Omnibook xt1000 
Troubleshooting and Diagnostics 
3-13 
Symptom 
Call Center: 
Suggestions 
Repair Center: 
Likely Causes 
Repair Center: 
Comments 
Touch pad 
 
 
 
General problems. 
Restart notebook. 
Press and hold power button 
four seconds to reset 
notebook. 
Avoid touching touch pad 
while booting or resuming. 
Check settings in Control 
Panel.  
Top case. 
Motherboard. 
 
Click button does 
not work. 
 Top 
case. 
Motherboard. 
 
Memory 
 
 
 
Out of memory 
error. 
Make sure C drive is not 
running out of free space. 
Use memory troubleshooter 
in Windows Help. 
Not all third-party memory 
cards have been tested for 
use with notebook. Check HP 
Notebook web site for list of 
approved memory cards. 
SDRAM module. 
 
Memory doesn’t 
increase after 
adding SDRAM 
Use only PC133 or higher 
SDRAM modules. 
SDRAM module. 
 
Audio 
 
 
 
No sound is 
audible. 
Increase sound volume. 
Make sure sound is enabled 
(software controls). 
Check for sound resource 
conflicts in Device Manager. 
Sound may not operate 
properly in MS-DOS mode. 
Check speaker cable 
connections. 
Speakers. 
Motherboard. 
Check operation using 
headphones or external 
speakers. 
Built-in microphone 
does not record. 
Check software controls for 
recording sound. 
Make sure display assembly 
is connected properly. 
Display assembly. 
Motherboard. 
Check operation using 
external microphone. 
Feedback from 
speakers. 
Reduce sound volume. 
In Volume Control, click 
Options, Properties, select 
Playback, and enable 
microphone. Then make sure 
microphone is muted. 
 
 
PC card detection 
beep at startup is 
loud and cannot be 
adjusted. 
Download latest audio driver 
from technical support area 
of HP Notebook web site 
(see page vi).