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Dell D15M owner manual Remove the screw that secures the I/O panel to the computer

Models: D15M

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4.Unthread and release the I/O Panel, data cable and USB data cable from the clip on the computer.

5.Remove the screw that secures the I/O panel to the computer.

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Dell D15M owner manual Remove the screw that secures the I/O panel to the computer

Contents

Dell OptiPlex 3020-Mini Tower Owners Manual Regulatory Model D15M Regulatory Type D15M001Notes, Cautions, and Warnings Contents 2 Removing and Installing Components1 Working on Your Computer 5 Troubleshooting Your Computer 3 System Setup4 Diagnostics 6 Technical SpecificationsWorking on Your Computer Before Working Inside Your ComputerTurning Off Your Computer After Working Inside Your Computer2. Connect any telephone or network cables to your computer 4. Turn on your computerPage System Overview Removing and Installing ComponentsRecommended Tools Inside view5. front bezel 6. speaker 1. memory module 2. system board 1. Follow the procedures in Before Working Inside Your ComputerRemoving the Cover 3. optical drive 4. front i/o panel 5. coin cell 6. CPU coolerInstalling the Cover 4. Follow the procedures in After Working Inside Your ComputerRemoving the Front Bezel Removing the Intrusion SwitchInstalling the Intrusion Switch 1. Follow the procedures in Before Working Inside Your Computer4. Follow the procedures in After Working Inside Your Computer Installing the Front BezelRemoving The Expansion Card 1. Follow the procedures in Before Working Inside Your ComputerInstalling the Expansion Card 4. Follow the procedures in After Working Inside Your ComputerRemoving the Memory Installing the MemoryMemory Module Guidelines 1. Follow the procedures in Before Working Inside Your Computer3. Follow the procedures in After Working Inside Your Computer Removing the Coin-Cell BatteryInstalling the Coin-Cell Battery Removing the Hard DriveRemoving the Optical Drive Installing the Hard Drive5. Follow the procedures in After Working Inside Your Computer 1. Follow the procedures in Before Working Inside Your Computer5. Follow the procedures in After Working Inside Your Computer Installing the Optical DriveRemoving the Speaker 1. Follow the procedures in Before Working Inside Your Computer4. Follow the procedures in After Working Inside Your Computer Installing the SpeakerRemoving the Power Supply 1. Follow the procedures in Before Working Inside Your Computerc Lift and remove the power supply out of the computer a Push in on the blue release tab beside the power supplyb Slide the power supply towards the front of the computer 5. Perform the following steps as shown in the illustrationInstalling the Heatsink Assembly Installing the Power SupplyRemoving the Heatsink Assembly 6. Follow the procedures in After Working Inside Your Computer5. Follow the procedures in After Working Inside Your Computer Installing the ProcessorRemoving the System Fan 1. Follow the procedures in Before Working Inside Your Computer5. Follow the procedures in After Working Inside Your Computer Installing the System FanRemoving the Power Switch 1. Follow the procedures in Before Working Inside Your Computer5. Perform the following steps as shown in the illustration 4. Release the power-switch cable from the chassis clipsb Slide to remove the power switch along its cable from the computer 6. Follow the procedures in After Working Inside Your Computer Installing the Power SwitchRemoving the I/O Panel 1. Follow the procedures in Before Working Inside Your Computer5. Remove the screw that secures the I/O panel to the computer Installing the I/O Panel 7. Follow the procedures in After Working Inside Your Computer System Board ComponentsRemoving the System Board 1. Follow the procedures in Before Working Inside Your Computer7. Lift the system board out of the computer Installing the System Board 5. Follow the procedures in After Working Inside Your ComputerPage Navigation Keys System SetupBoot Sequence Table 2. General System Setup OptionsTable 1. Navigation Keys Table 3. System Configuration Table 4. Video Table 5. SecurityComputrace Service from Absolute Software Table 6. Secure Boot Table 8. Power Management Table 7. PerformanceTable 9. POST Behavior Table 10. Virtualization Supportand when Client DHCP is set to Static IP the System Configuration group is set to Enabled with ImageServerand when Lookup Method is set to Static IP the System Configuration group is set to Enabled with ImageServerand when Client DHCP is set to Static IP Updating the BIOSthe System Configuration group is set to Enabled with ImageServer 11. Follow the procedures in After Working Inside Your Computer System and Setup PasswordClearing Forgotten Password 14. Follow the procedures in After Working Inside Your ComputerAssigning a System Password and Setup Password Deleting or Changing an Existing System and/or Setup Password11. Follow the procedures in After Working on Your Computer Disabling a System Password1. Follow the procedures in Before Working on Your Computer Page Diagnostics Enhanced Pre-Boot System Assessment ePSA DiagnosticsPage Amber LED State Troubleshooting Your ComputerPower LED Diagnostics Descriptionbooting this Error MessagesError Message installedData error Bad command orBad error the hardware configurationplease populate A cable or connector may be loose, or the keyboard or keyboard/mousecontroller may be faulty DIMM1Read fault or disk errorNot a boot Reset faileddrive by calling Write faultWrite fault on your support deskTable 16. Memory Technical SpecificationsTable 15. System Information Table 17. VideoTable 20. Drives Table 21. Ports and ConnectorsTable 19. Communications Table 22. Controls and LightsTable 25. Environmental Table 23. PowerTable 24. Physical Altitude FeatureSpecification OperatingContacting Dell