HP omnibook xt1000 サービスマニュアル

3-20 

Troubleshooting and Diagnostics 

HP Pavilion zt1100/xz100 Omnibook xt1000 

 

 

 

Notebook still on 
but stops 
responding. 

Press Ctrl+Alt+Del and end 
any application not 
responding. 
Press and hold the power 
button four seconds to turn 
off and reset notebook, then 
press the power button to 
turn the notebook back on. 
If this fails, use a pen to 
press reset switch, then 
press power button to turn 
notebook back on. 

 

 

Notebook pauses 
or runs sluggishly. 

May be normal Windows 
behavior (background 
processing can affect 
response time). 
Certain background 
operations (such as virus 
scanning software) can affect 
performance. 
Press Ctrl+Alt+Del to see if 
an application is not 
responding. 
Restart notebook. 
If hard disk has spun down to 
conserve power, it can take 
several seconds to spin up. If 
needed, use Power Options 
in Control Panels to change 
hard disk time-out to match 
standby time-out. 
Some file browsers respond 
slowly while processing 
graphics or waiting for broken 
network connections to time 
out. 
Check for overheating—see 
previous symptom. 
If notebook’s hard disk drive 
runs frequently (as indicated 
by notebook’s hard disk drive 
access light) while notebook 
appears to be paused or 
running slowly, consider 
installing additional SDRAM. 
Check available free disk 
space. Delete temporary and 
unneeded files. 

Fan. 
Heatsink. 
CPU module. 
Motherboard. 

If notebook slows after period 
of continuous activity, check 
heatsink—see previous 
symptom.