Topic: My microphone does not work.
Check that the microphone is plugged into the MICROPHONE jack.
Topic: My microphone is too sensitive to background noise.
If you find there is too much background noise when you record sound, you
should adjust the microphone gain by following these steps:
Click Start in the Windows taskbar, then click Control Panel.
Click Sounds, Speech, and Audio Devices, then click Sounds and Audio
From the Audio tab, locate the Sound recording section and click the Volume
button. The Recording Control dialog box appears.
Select the Options menu and click Properties. The Properties dialog box
In the section, "Adjust volume for," select the Recording option. Click OK.
From the Recording Control dialog box, decrease the microphone volume
level by moving the slider bar down.
Close the Recording Control dialog box and then close the Sounds and
Audio Devices Properties window.
Topic: My mouse does not work.
Check that the mouse is plugged securely into the Mouse port.
Save and close all open applications. Turn off your computer, wait
approximately 10 seconds, and then restart your computer.
There may be dust or dirt inside the mouse mechanism. To clean the mouse,
follow these steps:
Save and close all applications, and turn off your computer.
Turn the mouse upside down.
Remove the mouse ball cover on the back of the mouse by turning
clockwise the ring that covers the mouse ball.
Turn the mouse upright, and drop the mouse ball into your hand.