Power Lights, 3D image quality is poor | Dell 1200 specification

Windows Vista:

1Click Start → Control Panel→ Hardware and Sound→ Personalization→ Display Settings.

2Adjust Resolution and Colors settings, as needed.

3D image quality is poor

C H E C K T H E G R A P H I C S C A R D P O W E R C A B L E C O N N E C T I O N — Ensure that the

power cable for the graphics card(s) is correctly attached to the card.

Only part of the display is readable

C O N N E C T A N E X T E R N A L M O N I T O R

1Shut down your computer and connect an external monitor to the computer.

2Turn on the computer and the monitor and adjust the monitor brightness and contrast controls.

If the external monitor works, the computer display or video controller may be defective. Contact Dell (see "Contacting Dell" on page 129).

Power Lights

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

The power button light located on the front of the computer illuminates and blinks or remains solid to indicate different states:

•If the power light is green and the computer is not responding, see "Diagnostic Lights" on page 73.

•If the power light is blinking green, the computer is in standby mode. Press a key on the keyboard, move the mouse, or press the power button to resume normal operation.

•If the power light is off, the computer is either turned off or is not receiving power.

–Reseat the power cable into both the power connector on the back of the computer and the electrical outlet.

Troubleshooting

97

Image 97

Dell 1200 owner manual Power Lights, 3D image quality is poor, Only part of the display is readable

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 101 Dell Technical Update Service102 119 105120 123 127 126129 137 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 Microsoft Windows Power Meter Checking the Battery ChargeLow-Battery Warning Power Management Modes Conserving Battery PowerStandby and Sleep Mode Hibernate Mode Charging the Battery Configuring Power Management SettingsAccessing Power Options Properties Windows XP Removing the Battery Storing a Battery Using a Battery Numeric Keypad Using the Keyboard Key Combinations Power ManagementSystem Functions Speaker Functions Touch Pad Mouse Properties window Customizing the Touch Pad Adjusting Brightness Using the DisplayUsing a Projector Microsoft Windows XP Making Images and Text Look Bigger or SharperWindows Vista 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 Checking Your Wireless Network Card Wireless Local Area Network WlanWhat You Need to Establish a Wlan Connection Start Button and Connect To Option 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 About Passwords PasswordsSecuring Your Computer Security Cable Lock Type of Password Features Using a Primary or System Password Using an Administrator Password Fingerprint Reader Optional Computer Tracking SoftwareIf Your Computer Is Lost or Stolen Securing Your Computer Securing Your Computer Diagnostic Lights Troubleshooting ToolsDiagnostic Light Codes During Post Light Pattern Problem Description Suggested Resolution 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 When to Use the Dell Diagnostics Dell DiagnosticsStarting the Dell Diagnostics From Your Hard Drive 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 Computer stops responding Lockups and Software ProblemsProgram stops responding Program is designed for an earlier Windows operating system Program crashes repeatedlySolid blue screen appears 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 3D image quality is poor Power LightsOnly part of the display is readable Dell Support Utility Dell Technical Update Service Clicking the Dell Support Icon Accessing the Dell Support UtilityDouble-Clicking the Dell Support Icon 100 Overview System Setup Program101 System Setup Screens Viewing the System Setup ScreensChanging the Boot Sequence Commonly Used Options 103 Performing a One-Time Boot 104 Enabling the Infrared Sensor What Is a Driver? Reinstalling SoftwareDrivers Identifying Drivers Using Windows Device Driver Rollback Reinstalling Drivers and UtilitiesMicrosoft Windows XP Microsoft Windows Vista 107 At the Welcome Dell System Owner screen, click Next 108 Using the Drivers and Utilities Media 109 Manually Reinstalling Drivers Restoring Your Operating System Hardware and Software Problems110 Starting System Restore Using Microsoft Windows System Restore111 Enabling System Restore Undoing the Last System Restore112 Windows XP Dell PC Restore Using Dell PC Restore and Dell Factory Image Restore113 114 115 Windows Vista Dell Factory Image Restore Reinstalling Windows XP or Windows Vista Using the Operating System MediaBefore you Begin 116 117 118 Identifying Your Computer Traveling With Your ComputerPacking the Computer 119 Traveling by Air Travel Tips120 121 122 Obtaining Assistance Getting Help123 DellConnect Online Services Technical Support and Customer Service124 AutoTech Service Problems With Your OrderAutomated Order-Status Service 125 126 127 Before You Call 128 Diagnostics Checklist 129 Contacting Dell 130 131 Specifications Communications 132Video Audio Display 133Keyboard 134 BatteryTouch Pad AC Adapter Drives 135Physical Environmental 136 FCC Notice U.S. Only AppendixFCC Class B 137 138 Cleaning Your Computer Computer, Keyboard, and Display CDs and DVDs Mouse Non-Optical139 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