NEC 2000 Series manual How to Clean the Mouse, Speaker Problems

Speaker Problems

Check the following problems to see the possible cause and solution.

Speaker volume is too low.

Adjust the volume control on the side of the system unit. If the volume is still too low, adjust the volume through the system software. See your Windows Multimedia online help.

No sound.

TIf using a headset, check that it is plugged in.

Sound is only coming from one speaker.

Balance the speaker output by adjusting the balance in the sound software. See your Windows Multimedia online help.

How to Clean the Mouse

Under normal conditions, your mouse has a self-cleaning mechanism that prevents a buildup of dust or lint around the mouse ball and tracking mechanism. Periodically, however, you might need to clean the mouse ball.

Use these steps to clean your mouse.

1.Wake a system in sleep mode, save and close any open applications, close Windows, and power off your system and any peripherals attached to it.

2.Turn the mouse over. Locate the mouse ball cover (see the following figure).

Solving System Problems 5-7