Dell E521 specifications Removing the Drive Panel

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8.Replace the computer cover (see Installing the Computer Cover).

9.Reconnect the computer and devices to electrical outlets, and then turn them on.

10.Remove any drivers required for the card as described in the card documentation.

11.If you removed a sound card:

a.Enter system setup (see System Setup), go to Onboard Devices and select Integrated Audio, and then change the setting to On.

b.Connect external audio devices to the audio connectors on the back panel of the computer. See Back Panel Connectors.

12.If you removed an add-in network adapter:

a.Enter system setup (see System Setup), go to Onboard Devices and select Integrated NIC, and then change the setting to On.

b.Connect the network cable to the integrated connector on the back panel of the computer. See Back Panel Connectors.

Drive Panel

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

CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before removing the cover.

Removing the Drive Panel

1.Follow the procedures in Before You Begin.

2.Remove the computer cover (see Removing the Computer Cover).

1

sliding plate lever

2

sliding plate

3

drive panel

4side hinges

3.Grasping the lever on the sliding plate, pull the sliding plate to the right until it snaps into the open position.

NOTE: This sliding plate secures and releases the drive panel and helps to secure the drives.

4.By pushing from the inside and pivoting the drive panel to the left, you can release the drive panel from its side hinges.

5.Set the drive panel aside.

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Contents Model Dcsm About Your Computer Front View of the ComputerBack Panel Connectors Back View of the ComputerBack to Contents Advanced Troubleshooting Power LightsDiagnostic Lights Light Pattern Problem Description Suggested ResolutionBeep Codes System MessagesCode Cause Click the Change or Remove Program icon Diskette read failureDell Diagnostics Starting the Dell DiagnosticsDell Diagnostics Main Menu What Is a Driver?Drivers Identifying DriversReinstalling Drivers Using Windows XP Device Driver RollbackManually Reinstalling Drivers Windows XPResolving Software and Hardware Incompatibilities Click Start, then click Help and SupportBefore You Begin Getting StartedRecommended Tools Turning Off Your ComputerBack to Contents Removing and Installing Parts Removing the Computer CoverMemory Installation Guidelines MemoryAddressing Memory With 4-GB Configurations Installing MemoryCards Removing MemoryInstalling a PCI Card PCI CardsPage Removing a PCI Card Installing a PCI Express Card PCI Express CardsPage Removing a PCI Express Card Drive Panel Removing the Drive PanelInstalling the Drive-Panel Insert Installing the Drive PanelRemoving the Drive-Panel Insert Connecting Drive Cables DrivesDrive Interface Connectors Connecting and Disconnecting Drive CablesHard Drive Installing a Hard Drive Removing a Hard DrivePage Floppy Drive Adding a Second Hard DriveRemoving a Floppy Drive Installing a Floppy Drive Media Card Reader Removing a Media Card ReaderInstalling a Media Card Reader CD/DVD Drive Removing a CD/DVD DriveInstalling a CD/DVD Drive Page Battery Power SupplyReplacing the Battery Replacing the Power Supply Processor Removing the ProcessorInstalling the Processor Page Panel Removing the I/O PanelInstalling the I/O Panel Processor FanRemoving the Processor Fan Installing the Processor Fan System Board Removing the System BoardSystem Board Screws Installing the Computer Cover Installing the System BoardBack to Contents September 2006 Rev. A00 Specifications Connectors DrivesControls and Lights Power PhysicalEnvironmental System Setup Entering System SetupSystem Setup Screen OverviewSystem Setup Options Onboard DevicesBypass is Not SetUnlocked Boot Sequence Option SettingsChanging Boot Sequence for the Current Boot Setup & Boot MenuClearing Forgotten Passwords Changing Boot Sequence for Future BootsClearing Cmos Settings Flashing the BiosClick Save this program to disk, and then click OK Technical Overview Inside View of Your ComputerSystem Board Components Power Supply DC Connector Pin Assignments Pin Number Signal name AWG WireDC Power Connector P2 DC Power Connector P10