Dell 9020 owner manual After Working Inside Your Computer

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After Working Inside Your Computer

After you complete any replacement procedure, ensure you connect any external devices, cards, and cables before turning on your computer.

1.Replace the cover.

CAUTION: To connect a network cable, first plug the cable into the network device and then plug it into the computer.

2.Connect any telephone or network cables to your computer.

3.Connect your computer and all attached devices to their electrical outlets.

4.Turn on your computer.

5.If required, verify that the computer works correctly by running the Dell Diagnostics.

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Contents Dell OptiPlex 9020 Mini Tower Page Contents Diagnostics Before Working Inside Your Computer Working on Your ComputerTurning Off Your Computer After Working Inside Your Computer Page Removing the Cover Removing and Installing ComponentsInstalling the Cover Recommended ToolsInstalling the Intrusion Switch Removing the Intrusion SwitchRemoving the Wireless Local Area Network Wlan Card Installing the Wireless Local Area Network Wlan Card Removing the Front Bezel Installing the Front BezelRemoving the Expansion Card Memory Module Guidelines Installing the Expansion CardRemoving the Coin-Cell Battery Installing the MemoryRemoving the Memory Removing the Hard Drive Installing the Coin-Cell BatteryRemoving the Optical Drive Installing the Hard DriveInstalling the Optical Drive Removing the Power Supply Installing the SpeakerRemoving the Speaker Page Removing the Processor Installing the Power SupplyRemoving the Heat Sink Assembly Installing the Heat Sink AssemblyRemoving the System Fan Installing the ProcessorRemoving the Thermal Sensor Installing the System FanPage Removing the Power Switch Installing the Thermal SensorInstalling the Power Switch Removing the Input/Output I/O Panel Removing the System Board Installing the Input/Output I/O PanelInstalling the System Board Components Of The System Board System Board ComponentsPage Boot Sequence System SetupNavigation Keys Uefi System Setup OptionsCOM1 Sata Optional Computrace Service from Absolute Software KEK Erased and the keys will restore to default settings Page Post Behavior When Lookup Method is set to Static IP Jumper Settings Updating the BiosPassword Type System and Setup PasswordDisabling a System Password Page Enhanced Pre-Boot System Assessment ePSA Diagnostics DiagnosticsPage Power LED Diagnostics Troubleshooting Your ComputerBeep Code Error MessagesDIMM1 Page Page Page DDR3 SpecificationsPCI Drives Internal Connectors Controls and Lights Power Page Page Contacting Dell
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