32
Troubleshooting
n  Others
No response.
l   
Press 
 button to open Task Manager and close the software application that is not 
responding.
 Connect the external keyboard and press 
Ctrl
 + 
Shift
 + 
ESC
 to open Task Man-
ager and close the software application that is not responding.
l  An input screen (e.g., password input screen at startup) may be hidden behind another 
window. Click 
Alt
+
Tab
 to check.
l 
Press the power switch for 4 seconds or longer to shut down the computer, and then press 
the power switch to turn it on. If the application program does not work normally, uninstall 
and reinstall the program. To uninstall,
  
click   (Start) - [Control Panel] - [Programs] - [Uninstall a program].
  
click [start] - [Control Panel] - [Add or Remove Programs].
Troubleshooting (Basic)