Dell Inspiron 1545 Dell™ Technology Guide - Page 301

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 (see the documentation shipped with your computer). 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 for Laptop Computers CHECK THE TOUCH PAD SETTINGS - 1 Click Start→ Control Panel→ Printers and Other Hardware→ Mouse. 2 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. TO VERIFY THAT THE PROBLEM IS WITH THE MOUSE, CHECK THE TOUCH PAD - 1 Shut down the computer. 2 Disconnect the mouse. 3 Turn on the computer. 4 At the Windows desktop, use the touch pad to move the cursor around, select an icon, and open it. If the touch pad operates correctly, the mouse may be defective. C H E C K T H E S YS T E M S E T U P P R O G R A M S E T T I N G S - Verify that the system setup program lists the correct device for the pointing device option. (The computer automatically recognizes a USB mouse without making any setting adjustments.) For more information on using the system setup program, see "System Setup" on page 307. TE S T T H E M O U S E C O N T R O L L E R - To test the mouse controller (which affects pointer movement) and the operation of the touch pad or mouse buttons, run the Mouse test in the Pointing Devices test group in the Dell Diagnostics (see "Running the Dell Diagnostics" on page 281). R E I N S T A L L T H E T O U C H P A D D R I V E R - See "Installing Drivers for Media Drives" on page 79. Troubleshooting 301