Dell XPS M170 MXG051 XPS/Inspiron M170 Owners Manual - Page 75
No sound from headphones, Touch Pad or Mouse Problems
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TE S T T H E E L E C T R I C A L O U T L E T - Ensure that the electrical outlet is working by testing it with another device, such as a lamp. E L I M I N A T E P O S S I B L E I N T E R F E R E N C E - Turn off nearby fans, fluorescent lights, or halogen lamps to check for interference. R E I N S T A L L T H E A U D I O D R I V E R - See "Reinstalling Drivers" on page 78. R U N T H E D E L L D I A G N O S T I C S - See "When to Use the Dell Diagnostics" on page 59. No sound from headphones C H E C K T H E H E A D P H O N E C A B L E C O N N E C T I O N - Ensure that the headphone cable is securely inserted into the headphone connector. For more information, see "Audio Connectors" on page 20. A D J U S T T H E W I N D O W S V O L U M E C O N T R O L - 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. Touch Pad or Mouse Problems CHECK THE TOUCH PAD SETTINGS - 1 Click the Start button, click Control Panel, and then click Printers and Other Hardware. 2 Click Mouse. 3 Try adjusting the settings. C H E C K T H E M O U S E C A B L E - 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. Solving Problems 75