HP omnibook xt1000 Manuale Di Servizio

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3-16 
Troubleshooting and Diagnostics 
HP Pavilion zt1100/xz100 Omnibook xt1000 
Symptom 
Call Center: 
Suggestions 
Repair Center: 
Likely Causes 
Repair Center: 
Comments 
Modem isn’t 
detected. 
Check modem setup in 
Control Panel. Check COM 
port. 
Open Device Manager. If 
modem is disabled, enable it. 
If conflict exists, try disabling 
another device. 
If running fax software using 
fax Class 2, try Class 1. 
Mini-PCI card. 
Motherboard. 
 
Modem connects, 
but transferred data 
is bad. 
Verify settings in Control 
Panel. Make sure parity, 
speed, word length, and stop 
bits match on sending and 
receiving modems. 
Disable error correction and 
data compression. 
Mini-PCI card. 
 
Modem doesn’t fax. 
If using fax Class 2 in fax 
software, try Class 1. 
Close any other 
communications programs. 
If faxing by printing from 
application, make sure fax 
printer is selected. 
Turn off power management 
features temporarily. 
 
 
General problems. 
If PC card modem is not 
working, disable internal 
modem in Control Panel. 
Download latest modem 
driver from technical support 
area of HP Notebook web 
site (see page vi). 
Mini-PCI card. 
Motherboard. 
 
One-Touch button 
problems 
 
 
 
Buttons not working 
properly. 
Make sure correct 
applications are associated 
with buttons in One-Touch 
tab of Keyboard in Control 
Panels. 
Keyboard cover. 
Keyboard cover PCA. 
Motherboard. 
 
On-screen display 
does not appear 
when button is 
pressed. 
Make sure Onscreen Display 
is enabled in One-Touch tab 
of Keyboard in Control 
Panels. 
 
 
Printing 
 
 
 
Printer doesn’t print 
Make sure printer is on. 
Make sure printer cable is 
securely attached at both 
ends. 
Make sure cable or cable 
adapter is appropriate for 
printer type. 
Use print troubleshooter in 
Windows Help. 
Cable. 
Motherboard.