HP omnibook xt1000 Service Manual

3-18 

Troubleshooting and Diagnostics 

HP Pavilion zt1100/xz100 Omnibook xt1000 

 

 

 

General problems. 

Make sure correct drivers are 
installed. In Device Manager, 
double-click Infrared devices, 
then double-click IrDA Fast 
Infrared Port. On Advanced 
tab, click Infrared Transceiver 
A in Property window, then 
select IBM 31T1100 from 
pull-down menu. 
Make sure the line between 
the two infrared ports is not 
blocked, ports face each 
other squarely and are no 
more than 1 meter apart. 
Sunlight, heat from nearby 
equipment, or other sources 
of infrared radiation can 
cause transmission errors. 
Make sure only one 
application is using infrared 
port. 
Remove any PC Cards from 
notebook (possible IRQ 
conflict). 
For fast-IrDA, check for DMA 
conflict with ECP parallel 
port. 

Motherboard.  

 

 

 

General problems. 

Check TCP/IP setup in 
Control Panel. 
Check SSID and channel 
settings: click wireless link 
icon in taskbar and select 
Advanced Configuration. 
Stop USB devices that may 
perform large data transfers, 
or adjust application settings 
to reduce transfer rate. 
Make sure wireless PCA and 
antenna are installed 
properly. 

Display assembly. 
Wireless PCA. 
Antenna. 
Motherboard. 

 

Notebook with 
Bluetooth won’t 
enter standby or 
hibernation. 

Disable Bluetooth. If 
Bluetooth device is 
transmitting, notebook may 
not be able to enter standby 
or hibernation.