Dell E521 specifications

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1	drive	2	hard-drive bracket

4. Align the hard drive bracket with the guides in the hard drive bay.

1	hard-drive bracket	2	hard drive	3	guide in hard-drive bay

5.Gently slide the drive into place until you feel a click or the drive is securely installed. Take care not to let the drive free-fall into the drive bay.

6.Connect the power and hard-drive cables to the drive (see Connecting Drive Cables).

1	serial ATA data cable	2	power cable

7.Check all cables to be certain that they are properly connected and firmly seated.

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

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

9.Connect your computer and devices to electrical outlets, and then turn them on.

See the documentation that came with the drive for instructions on installing any software required for drive operation.

10.Check the System Setup for drive configuration changes (see Entering System Setup).

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Contents Model Dcsm Front View of the Computer About Your ComputerBack View of the Computer Back Panel ConnectorsBack to Contents Power Lights Advanced TroubleshootingDiagnostic Lights Light Pattern Problem Description Suggested ResolutionCode Cause Beep CodesSystem Messages Diskette read failure Click the Change or Remove Program iconStarting the Dell Diagnostics Dell DiagnosticsWhat Is a Driver? Dell Diagnostics Main MenuDrivers Identifying DriversUsing Windows XP Device Driver Rollback Reinstalling DriversManually Reinstalling Drivers Windows XPClick Start, then click Help and Support Resolving Software and Hardware IncompatibilitiesGetting Started Before You BeginRecommended Tools Turning Off Your ComputerBack to Contents Removing the Computer Cover Removing and Installing PartsMemory Memory Installation GuidelinesInstalling Memory Addressing Memory With 4-GB ConfigurationsRemoving Memory CardsPCI Cards Installing a PCI CardPage Removing a PCI Card PCI Express Cards Installing a PCI Express CardPage Removing a PCI Express Card Removing the Drive Panel Drive PanelRemoving the Drive-Panel Insert Installing the Drive-Panel InsertInstalling the Drive Panel Drives Connecting Drive CablesHard Drive Drive Interface ConnectorsConnecting and Disconnecting Drive Cables Removing a Hard Drive Installing a Hard DrivePage Adding a Second Hard Drive Floppy DriveRemoving a Floppy Drive Installing a Floppy Drive Removing a Media Card Reader Media Card ReaderInstalling a Media Card Reader Removing a CD/DVD Drive CD/DVD DriveInstalling a CD/DVD Drive Page Replacing the Battery BatteryPower Supply Replacing the Power Supply Removing the Processor ProcessorInstalling the Processor Page Removing the I/O Panel PanelRemoving the Processor Fan Installing the I/O PanelProcessor Fan Installing the Processor Fan System Board Screws System BoardRemoving the System Board Installing the System Board Installing the Computer CoverBack to Contents September 2006 Rev. A00 Specifications Controls and Lights ConnectorsDrives Environmental PowerPhysical Entering System Setup System SetupSystem Setup Screen OverviewOnboard Devices System Setup OptionsUnlocked Bypass isNot Set Option Settings Boot SequenceChanging Boot Sequence for the Current Boot Setup & Boot MenuChanging Boot Sequence for Future Boots Clearing Forgotten PasswordsFlashing the Bios Clearing Cmos SettingsClick Save this program to disk, and then click OK System Board Components Technical OverviewInside View of Your Computer Pin Number Signal name AWG Wire Power Supply DC Connector Pin AssignmentsDC Power Connector P2 DC Power Connector P10