Touch Pad or Mouse Problems, No sound from headphones | Dell 1200

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 U N T H E S P E A K E R D I A G N O S T I C S

R E I N S T A L L T H E S O U N D D R I V E R — See "Drivers" on page 105.

R U N T H E H A R D W A R E TR O U B L E S H O O T E R — See "Hardware and Software

Problems" on page 110.

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 "Right Side View" on page 24).

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

C H E C K T H E T O U C H P A D S E T T I N G S —

1Click Start→ Control Panel→ Printers and Other Hardware→ Mouse.

2Try 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 V E R I F Y T H A T T H E P R O B L E M I S W I T H T H E M O U S E , C H E C K T H E T O U C H P A D

1Shut down the computer.

2Disconnect the mouse.

3Turn on the computer.

4At 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.

Troubleshooting

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Dell 1200 owner manual Touch Pad or Mouse Problems, No sound from headphones

Contents

W . d e l l . c o m s u p p o r t . d e l l . c o m November RK930 Contents Customizing the Touch Pad Microsoft Windows Firewall Connecting a Network or Broadband Modem Cable Securing Your Computer 102 Dell Technical Update Service101 123 105119 120 137 126127 129 Contents What Are You Looking For? Find It Here Finding Information Dell Product Information Guide License Site What Are You Looking For? Dell Support Utility Windows Help and Support On the operating system you ordered Finding Information Front View About Your Computer Display About Your Computer V I C E S T a T U S L I G H T S In-1 memory card reader Left Side View Right Side View Back View D E M C O N N E C T O R RJ T W O R K C O N N E C T O R RJ Bottom View Battery Battery-bay latch release About Your Computer About Your Computer Battery Performance Using a Battery Low-Battery Warning Checking the Battery ChargeMicrosoft Windows Power Meter Standby and Sleep Mode Conserving Battery PowerPower Management Modes Hibernate Mode Windows XP Configuring Power Management SettingsCharging the Battery Accessing Power Options Properties Removing the Battery Storing a Battery Using a Battery Numeric Keypad Using the Keyboard Speaker Functions Power ManagementKey Combinations System Functions Touch Pad Mouse Properties window Customizing the Touch Pad Using a Projector Using the DisplayAdjusting Brightness Windows Vista Making Images and Text Look Bigger or SharperMicrosoft Windows XP Using Both a Monitor and Your Computer Display Using a Monitor as Your Primary Display Click the Settings tab→ Advanced→ Displays tab Using the Display Playing CDs or DVDs Using Multimedia DVD player includes the following basic buttons Copying CDs and DVDs How to Copy a CD or DVD Media Type Read Write Rewritable Using Blank CDs and DVDs DVD-Writable Drives Helpful Tips Adjusting the Picture Adjusting the Volume Connecting a Network or Broadband Modem Cable Setting Up and Using Networks Setting Up and Using Networks Start Button and Connect To Option Wireless Local Area Network WlanChecking Your Wireless Network Card What You Need to Establish a Wlan Connection Order Confirmation for Your Computer Connecting to a Wlan Click Start→ Settings→ Control Panel→ Network Connections Determining the Wireless Network Device Manager Completing the Connection to the Wlan Microsoft Windows Firewall Setting Up and Using Networks ExpressCards Using Cards ExpressCard Blanks Installing an ExpressCard Removing an ExpressCard or Blank Slot Security Cable Lock PasswordsAbout Passwords Securing Your Computer Type of Password Features Using a Primary or System Password Using an Administrator Password If Your Computer Is Lost or Stolen Computer Tracking SoftwareFingerprint Reader Optional Securing Your Computer Securing Your Computer Light Pattern Problem Description Suggested Resolution Troubleshooting ToolsDiagnostic Lights Diagnostic Light Codes During Post Light Pattern System Messages Troubleshooting Tools Correct AC adapter to the computer or docking station E S E M E S S a G E S . See System Setup Program on Dell for assistance see Contacting Dell on Hardware Troubleshooter Starting the Dell Diagnostics From Your Hard Drive Dell DiagnosticsWhen to Use the Dell Diagnostics Troubleshooting Tools Press Tab to select Test System and then press Enter Option Function Dell Diagnostics Main Menu TabFunction Encountered Tab Function Battery Problems Mail, Modem, and Internet Problems Troubleshooting Click Start→ All Programs→ Modem Helper Do not use these characters in filenames Error Messages Program stops responding Lockups and Software ProblemsComputer stops responding Solid blue screen appears Program crashes repeatedlyProgram is designed for an earlier Windows operating system Other software problems Memory Problems Power Problems Network Problems Printer Problems Click Properties and click Ports Scanner Problems No sound from speakers Sound and Speaker Problems No sound from headphones Touch Pad or Mouse Problems Screen is blank Screen is difficult to read Video and Monitor Problems Only part of the display is readable Power Lights3D image quality is poor Dell Support Utility Dell Technical Update Service Double-Clicking the Dell Support Icon Accessing the Dell Support UtilityClicking the Dell Support Icon 100 101 System Setup ProgramOverview Commonly Used Options Viewing the System Setup ScreensSystem Setup Screens Changing the Boot Sequence 103 Performing a One-Time Boot 104 Enabling the Infrared Sensor Identifying Drivers Reinstalling SoftwareWhat Is a Driver? Drivers Microsoft Windows Vista Reinstalling Drivers and UtilitiesUsing Windows Device Driver Rollback Microsoft Windows XP 107 At the Welcome Dell System Owner screen, click Next 108 Using the Drivers and Utilities Media 109 Manually Reinstalling Drivers 110 Hardware and Software ProblemsRestoring Your Operating System 111 Using Microsoft Windows System RestoreStarting System Restore 112 Undoing the Last System RestoreEnabling System Restore 113 Using Dell PC Restore and Dell Factory Image RestoreWindows XP Dell PC Restore 114 115 Windows Vista Dell Factory Image Restore 116 Using the Operating System MediaReinstalling Windows XP or Windows Vista Before you Begin 117 118 119 Traveling With Your ComputerIdentifying Your Computer Packing the Computer 120 Travel TipsTraveling by Air 121 122 123 Getting HelpObtaining Assistance 124 Technical Support and Customer ServiceDellConnect Online Services 125 Problems With Your OrderAutoTech Service Automated Order-Status Service 126 127 Before You Call 128 Diagnostics Checklist 129 Contacting Dell 130 131 Specifications Audio 132Communications Video Keyboard 133Display AC Adapter Battery134 Touch Pad Environmental 135Drives Physical 136 137 AppendixFCC Notice U.S. Only FCC Class B 138 Cleaning Your Computer Computer, Keyboard, and Display 139 Mouse Non-OpticalCDs and DVDs 140 141 Glossary 142 Product ID 143 Device driver See driver 144 145 146 147 148 Module bay See media bay 149 NIC See network adapter 150 151 152 153 154 155 Video resolution See resolution 156 157 158 159 Index 160 161 See also wireless switch 162 163 164