Ensure that the speakers are turned on
—
See the setup diagram supplied with the speakers. If your speakers have volume controls, adjust the volume,
bass, or treble to eliminate distortion.
Adjust the Windows volume control
—
Click or double-click the speaker icon in the lower-right corner of your screen. Ensure that the volume is turned up and
that the sound is not muted.
Disconnect headphones from the headphone connector
—
Sound from the speakers is automatically disabled when headphones are connected to the
computer's front-panel headphone connector.
Test the electrical outlet
—
Ensure that the electrical outlet is working by testing it with another device, such as a lamp.
Eliminate possible interference
—
Turn off nearby fans, fluorescent lights, or halogen lamps to check for interference.
Run the speaker diagnostics
Reinstall the sound driver
—
See
Drivers
.
Run the Hardware Troubleshooter
—
See
Hardware Troubleshooter
.
No sound from headphones
Check the headphone cable connection
—
Ensure that the headphone cable is securely inserted into the headphone connector.
Adjust the Windows volume control
—
Click or double-click the speaker icon in the lower-right corner of your screen. Ensure that the volume is turned up and
that the sound is not muted.
Mouse Problems
Check the mouse settings
—
1.
Click
Start
®
Control Panel
®
Printers and Other Hardware
®
Mouse
.
2.
Try adjusting the settings.
Check the mouse cable
—
Shut down the computer. Disconnect the mouse cable, check it for damage, and firmly reconnect the cable.
If you are using a mouse extension cable, disconnect it and connect the mouse directly to the computer.
Check the BIOS Setup Utility program settings
—
Verify that the BIOS Setup Utility lists the correct device for the pointing device option. (The computer
automatically recognizes a USB mouse without making any setting adjustments.) See the
BIOS Setup Utility Screens
.
Test the mouse controller
—
To test the mouse controller (which affects pointer movement) and the operation of the mouse buttons, run the Mouse test in
the
Poin
t
ing Devices
test group in the Dell Diagnostics (see
Dell Diagnostics
).
Reinstall the mouse driver
—
See
Reinstalling Drivers and Utilities
.
Video and Monitor Problems
WARNING:
Before working inside your computer, read the safety information that shipped with your computer. For additional safety best
practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.