Dell E521 specifications Cards, Removing Memory

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1

4

cutouts (2)

2

memory module

3

notch

crossbar

NOTICE: To avoid damage to the memory module, press the module straight down into the connector while you apply equal force to each end of the module.

5.Insert the module into the connector until the module snaps into position.

If you insert the module correctly, the securing clips snap into the cutouts at each end of the module.

6. Replace the computer cover.

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

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

8.Right-click the My Computer icon and click Properties.

9.Click the General tab.

10.To verify that the memory is installed correctly, check the amount of memory (RAM) listed.

Removing Memory

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

NOTICE: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your computer's electronic components. You can do so by touching an unpainted metal surface on the computer chassis.

1.Follow the procedures in Before You Begin.

2.Press out the securing clip at each end of the memory module connector.

3.Grasp the module and pull up.

Cards

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

NOTICE: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your computer's electronic components. You can do so by touching an unpainted metal surface on the computer chassis.

Your Dell™ computer provides the following slots for PCI and PCI Express cards:

One PCI Express x16 card slot (SLOT1)

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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