Dell 9N756, 4500 manual Ensure That the Subwoofer and the Speakers are Turned

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CHECK THE SPEAKER CABLE CONNECTIONS — Ensure that the speakers are connected as shown on the setup diagram supplied with the speakers.

ENSURE THAT THE SUBWOOFER AND 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 INTER FERENCE — Turn off nearby fans, fluorescent lights, or halogen lamps to check for interference.

R UN THE SPEAKER DIAGNOSTICS — Some speaker systems have self- diagnostics. See the speaker documentation for diagnostics instructions.

REINSTALL THE AUDIO (SOUND) DRIVER — See page 52.

CHECK FOR INTERRUPT REQUEST CONFLICTS — See page 54.

HINT: 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.

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Contents Dell Dimension April 9N756 Setting Up Problems writing to a CD-RW drive Advanced Troubleshooting Appendix Total Satisfaction Return Policy U.S. Only Contents When Using Your Computer When Working Inside Your Computer Protecting Against Electrostatic Discharge Battery Disposal Re s o u r c e C D E r a t i n g S y s t e m C D A r t H e r e S e t u p D i a g r a m Safety Instr uctions C T I O N Parallel Printer USB Printer Installing the Printer DriverSetting Up Network Setup Wizard Connecting to a Network AdapterClick checklist for creating a network Click Turn off C T I O N Solving Problems Solving Problems To Access Windows Help Floppy drive problems CD drive problems DVD drive problems Problems writing to a CD-RW driveHard drive problems O r t . d e l l . c o m Filename Cannot Contain ANY of the Following Operating System not Found Contact Dell see Program crashes repeatedly Program stops respondingProgram is designed for an earlier Windows operating system Solid blue screen appears Other software problemsGeneral hardware problems Other technical problemsRestart the Computer Check the Mouse Cable Check the Mouse Settings Restart the Computer and TR Y to LOG on to the Network Again W . d e l l . c o m s u p p o r t . d e l l . c o m Verify the Printer Cable Connections Verify That the Scanner is Recognized by Microsoft Windows Ensure That the Subwoofer and the Speakers are Turned If the screen is blank If the screen is difficult to read W . d e l l . c o m s u p p o r t . d e l l . c o m C T I O N Memory Y G Manually Creating Restore Points Creating a Restore PointUsing the System Restore Wizard Click Help and Support Click System RestoreRestoring the Computer to an Earlier Operating State Click the System Restore tab Undoing the Last System RestoreEnabling System Restore Click Performance and MaintenanceClick Roll Back Driver Using Windows XP Device Driver RollbackUsing the Dell Dimension ResourceCD Click PropertiesAt the Welcome Dell System Owner screen, click Next Click Performance and Maintenance, and then click SystemClick Help and Support W . d e l l . c o m s u p p o r t . d e l l . c o m Advanced Troubleshooting Advanced Troubleshooting C T I O N Front View Windows Headphone License label Reattaching the Front Door Back ViewReattaching the Hinge Arms Front-panel insert Use fingers to pull here Adding Parts Adding Parts Arrow Release button Adding Parts Computer cover* page 66 System Board Main PowerInstalling a Card Card Edge connector Before you lower the retention arm, make sure that Adding Parts Removing a Card Adding Parts Removing a Memory Module Adding a Memory Module W . d e l l . c o m s u p p o r t . d e l l . c o m Card Removal Card Installation Adding Parts Rail tabs Power cable Adding Parts C T I O N W . d e l l . c o m s u p p o r t . d e l l . c o m DDR Sdram AGP At 35C 95F, the maximum operating altitude is 914 m 3000 ft Viewing Settings System Setup Program Screens Appendix Battery socket Battery Appendix Appendix Definition of Third-Party Software and Peripherals Definition of Dell-Installed Software and PeripheralsContact Numbers and Addresses AutoTech Automated technical support W . d e l l . c o m s u p p o r t . d e l l . c o m International Access Code Mail techsupportcentraleurope@dell.com International Access Code W . d e l l . c o m s u p p o r t . d e l l . c o m Country Code Customer Service Seoul, Korea Customer Service Austin, Texas, U.S.A Page 800 300 412 or International Access Code W . d e l l . c o m s u p p o r t . d e l l . c o m Mail delldirectsupport@dell.com Appendix 109 Have your account number handy or value-added resellers VARs Returning Items for Warranty Repair or Credit 112 Appendix DHM NOM Information Mexico OnlyOne-Year Limited Warranty U.S. Only Appendix 115 Two-Year Limited Warranty U.S. Only Limited Warranty Coverage During Year One Limited Warranty Coverage During Year Two General Provisions Three-Year Limited Warranty U.S. Only Limited Warranty Coverage During Years Two and Three 122 Appendix Four-Year Limited Warranty U.S. Only Limited Warranty Coverage During Years Two, Three, and Four Appendix 125 One-Year Limited Warranty Canada Only Appendix 127 Two-Year Limited Warranty Canada Only Appendix 129 130 Appendix Three-Year Limited Warranty Canada Only 132 Appendix Appendix 133 134 Appendix Total Satisfaction Return Policy U.S. Only Exclusions GuaranteeMaking a Claim Dell Computer de Colombia Corporation Limitation and Statutory RightsDell Computer de Mexico SA de CV Appendix Index 139 Index Index 141 Index 142

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