Dell 620s manual Back to Contents

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2. Turn off your computer (see Turning Off Your Computer) and all attached devices.

CAUTION: To disconnect a network cable, first unplug the cable from your computer and then unplug the cable from the network device.

3.Disconnect all telephone or network cables from the computer.

4.Disconnect your computer and all attached devices from their electrical outlets.

5.Disconnect all attached devices from your computer.

6.Press and eject any installed cards from the Media Card Reader.

7.Press and hold the power button to ground the system board.

CAUTION: Before touching anything inside your computer, ground yourself by touching an unpainted metal surface, such as the metal at the back of the computer. While you work, periodically touch an unpainted metal surface to dissipate static electricity, which could harm internal components.

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Contents Page Turning Off Your Computer Technical Specifications Recommended ToolsSafety Instructions Before You BeginBack to Contents Removing the Front Bezel Front BezelReplacing the Front Bezel Click Enter a Tag Flashing the BiosRemoving PCI Express Cards PCI Express CardsReplacing PCI Express Cards Page Installed Removed Sound Card Retention Bracket Removing the Card Retention BracketReplacing the Card Retention Bracket Back to Contents Coin-Cell Battery Removing the Coin-Cell BatteryReplacing the Coin-Cell Battery Back to Contents Computer Cover Removing the Computer CoverReplacing the Computer Cover Back to Contents Removing the Processor ProcessorReplacing the Processor Back to Contents Removing the Hard-Drive Assembly DrivesHard Drive Replacing the Hard-Drive Bezel Removing the Hard-Drive BezelReplacing the Hard-Drive Assembly Optical DriveRemoving the Optical Drive Replacing the Optical Drive Replacing the Chassis Fan FansChassis Fan Removing the Chassis FanProcessor Fan and Heat-Sink Assembly Removing the Processor Fan and Heat-Sink AssemblyReplacing the Processor Fan and Heat-Sink Assembly Back to Contents Removing the Front I/O Panel Front I/O PanelReplacing the Front I/O Panel Memory Modules Removing the Memory ModulesReplacing the Memory Modules Back to Contents Power Supply Removing the Power SupplyReplacing the Power Supply Back to Contents Power Button Module Removing the Power Button ModuleReplacing the Power Button Module Back to Contents Removing the System Board System BoardReplacing the System Board Entering the Service Tag in the BiosOverview System SetupEntering System Setup System Setup OptionsAdvanced Boot Options Boot SequenceClearing Cmos Passwords Clearing Forgotten PasswordsBack to Contents Technical Overview Inside View of Your ComputerSystem Board Components Fancpu