DELL 1909 ユーザーズマニュアル

If the mouse and keyboard stop communicating 
with the computer — The batteries may not be 

working or the keyboard and mouse have lost 

their connection with the computer.

Check the batteries in the keyboard and 

•

mouse to ensure that they have enough 

power and are installed correctly.
Re-establish a connection with the 

•

computer:

Press the wireless sync button at the back 

a. 

of your computer and then the wireless 

sync button on your keyboard.
Press the wireless sync button on the 

b. 

computer again, and then the wireless 

sync button on your mouse. The keyboard 

and mouse should now be paired.