Motorola ml900 用户手册

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页码 141
 
 
Make sure that the IR ports are clean. 
Keyboard, Mouse and Touchpad Problems 
The keyboard does not respond. 
 
Try connecting an external keyboard. If it works, contact an 
authorized dealer, as the internal keyboard cable might be loose. 
The numeric keypad is disabled. 
 
Make sure that the 
Num Lk
 is switched on. (Check if the Num Lock 
Indicator   glows or not.) 
The external keyboard does not work. 
 
Make sure that the keyboard cable is properly connected. 
The USB mouse does not work. 
 
Make sure that the mouse cable is properly connected. 
The touchpad does not work, or the pointer is difficult to control 
with the touchpad. 
 
Make sure that the touchpad is clean. 
LAN Problems 
I cannot access the network. 
 
Make sure that the LAN driver is correctly installed. 
 
Make sure that the LAN cable is properly connected to the RJ-45 
connector and the network hub. 
 
Make sure that the network configuration is appropriate. 
 
Make sure that the user name or password is correct. 
Troubleshooting 8-9