Touch Pad or Mouse Problems, No sound from headphones | Dell PP23LA

C H E C K T H E B A T T E R Y

R U N T H E D E L L D I A G N O S T I C S — See "Dell Diagnostics" on page 63.

NOTE: The volume control in some MP3 players overrides the Windows volume setting. If you have been listening to MP3 songs, ensure that you did not turn the player volume down or off.

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 page 22).

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 the Start button, click Control Panel, and then click Printers and Other Hardware.

2Click Mouse.

3Try 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.

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 "Reinstalling Drivers and Utilities" on page 81.

Video and Display Problems

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.

If the display is blank

NOTE: If you are using a program that requires a higher resolution than your computer supports, it is recommended that you attach an external monitor to your computer.

— If you are using a battery to power your computer, the battery charge may be depleted. Connect the computer to an electrical outlet using the AC adapter, and turn on the computer.

Solving Problems

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Dell PP23LA Touch Pad or Mouse Problems, Video and Display Problems, No sound from headphones, If the display is blank

Contents

W . d e l l . c o m s u p p o r t . d e l l . c o m Dell Inspiron Abbreviations and Acronyms Contents Microsoft Windows Logo Key Functions Configuring Power Management Settings What You Need to Establish a Wlan Connection If you hear an unfamiliar scraping or grinding sound Ensuring Sufficient Power for Your ComputerProgram stops responding or crashes repeatedly 101 Using Microsoft Windows XP System RestoreIf only part of the display is readable Resolving Software and Hardware Incompatibilities 110 104105 109 Glossary Index Contents Finding Information Warranty informationSupport.dell.com Setup Diagram Follow the instructions on the screen Click the topic that describes your problemWhat Are You Looking For? Find It Here Click the arrow icon Top technical issues for my computer Microsoft Windows System Restore MicrosoftRestore your operating system Service call status and support history About Your Computer Determining Your Computer’s ConfigurationAbout Your Computer Front View Light operates as follows About Your Computer Y B O a R D a N D W I R E L E S S S T a T U S L I G H T S Left Side View Right Side View Back View Connects an external VGA-compatible monitor Bottom View Setting Up Your Computer Setting Up Your ComputerConnecting to the Internet Setting Up Your Internet Connection Transferring Information to a New Computer Click Finished and restart the new computer Click Finished and restart the new computer Connecting a USB Printer Setting Up a PrinterPrinter Cable Surge Protectors Power Protection Devices Line Conditioners Uninterruptible Power Supplies Setting Up Your Computer Setting Display Resolution Using the DisplayAdjusting Brightness Switching the Video Image Using the Display Using the Keyboard and Touch Pad Using the Keyboard and Touch PadNumeric Keypad Display Functions Power ManagementKey Combinations System Functions Microsoft Windows Logo Key Functions Adjusting Keyboard Settings Customizing the Touch Pad Touch Pad Battery Performance Using a BatteryUsing a Battery Charge Gauge Checking the Battery ChargeDell QuickSet Battery Meter Microsoft Windows Power Meter Check the Battery Health Conserving Battery PowerLow-Battery Warning Power Management ModesPage Replacing the Battery Charging the BatteryConfiguring Power Management Settings Storing a Battery Using Multimedia Using MultimediaPlaying a CD or DVD Adjusting the Volume How to Copy a CD or DVD Adjusting the PictureCopying CDs and DVDs Media Type Read Write Rewritable Using Blank CDs and DVDs Helpful Tips Using Multimedia ExpressCards Using CardsInstalling an ExpressCard Using Cards Removing an ExpressCard or Blank Media Memory Cards Installing a Media Memory Card Removing a Media Memory Card Physically Connecting to a Network or Broadband Modem Setting Up a NetworkSetting Up a Network What You Need to Establish a Wlan Connection Network Setup WizardWireless Local Area Network Wlan Checking Your Wireless Network Card Setting Up a New Wlan Connecting to a Wireless Local Area Network Completing the Connection to the Wlan Enabling/Disabling the Wireless Network Card Setting Up a Network Securing Your Computer PasswordsSecuring Your Computer Security Cable Lock If Your Computer Is Lost or Stolen Computer Tracking Software Solving Problems Solving ProblemsDell Diagnostics When to Use the Dell Diagnostics Option Function Tab Function Management Modes on page 41 for information on standby mode Drive ProblemsCD and DVD drive problems Problems writing to a CD/DVD-RW drive Hard drive problems Mail, Modem, and Internet ProblemsIf you hear an unfamiliar scraping or grinding sound Error Messages Solving Problems Solving Problems Solving Problems Keyboard Problems ExpressCard ProblemsManufacturer External Keyboard problems Lockups and Software ProblemsUnexpected characters Program stops responding or crashes repeatedly Other software problemsComputer does not start up Computer stops responding Network Problems Memory Problems Communication exists. Replace the network cable Power Problems Scanner Problems Printer ProblemsEnsuring Sufficient Power for Your Computer No sound from integrated speakers Sound and Speaker ProblemsNo sound from external speakers If the display is blank Touch Pad or Mouse ProblemsVideo and Display Problems No sound from headphones If only part of the display is readable If the display is difficult to readPicture quality Identifying Drivers What Is a Driver?Reinstalling Drivers and Utilities Drivers Solving Problems Resolving Software and Hardware Incompatibilities You can restore your operating system in the following ways Using Microsoft Windows XP System RestoreRestoring Your Operating System Using Dell PC Restore by Symantec Solving Problems Using the Operating System CD Solving Problems Recommended Tools Adding and Replacing PartsAdding and Replacing Parts Before You Begin Before Working Inside Your Computer Optical Drive Hard Drive Screws Hard drive Returning a Hard Drive to Dell Memory Memory module Securing clips 2 per connector Modem Adding and Replacing Parts Hinge Cover Keyboard 100 101 Wireless Mini-Card 102 Install the replacement Mini-Card 103 Coin-Cell Battery 105 Display Adding and Replacing Parts Dell QuickSet Features Dell QuickSet Features107 108 109 Traveling With Your ComputerIdentifying Your Computer Packing the Computer Traveling by Air Travel Tips 111 Contacting DellContacting Dell 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 Should be called from within Singapore or 127Malaysia only 128 129 130 131 132 133 Specifications Communications Ports and Connectors134 Memory Video 135Audio Display 136 Touch Pad Battery137 Keyboard AC Adapter 138Physical Environmental 139 140 141 Using the System Setup ProgramEntering System Setup Appendix Commonly Used Options 143 Cleaning Your Computer CDs and DVDs Computer, Keyboard, and DisplayTouch Pad Floppy Drive 145 Definition of Dell-Installed Software and PeripheralsDell Technical Support Policy U.S. Only Definition of Third-Party Software and Peripherals FCC Class B FCC Notice U.S. Only146 147 Macrovision Product Notice 148 149 GlossaryGlossary 150 Device driver See driver 151Docking device See APR 152 153 154 NIC See network adapter 155 156 System tray See notification area 157 158 Video resolution See resolution 159 160 Index Boot sequence Brightness adjusting161 Index Power management conserving battery power See also display problems163 System setup program commonly used options Compatibility, 74 restore computer to previous 165 166