Dell E521 specifications Installing the Processor

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7. Pull the release lever straight up until the processor is released.

1

processor

2

release lever

3

socket

 

 

 

 

 

 

NOTICE: Be careful not to bend any of the pins when you remove the processor. Bending the pins can permanently damage the processor.

8.Remove the processor from the socket.

Leave the release lever extended in the release position so that the socket is ready for the new processor and see Installing the Processor.

NOTICE: After removing the processor, be careful not to get any thermal grease on the processor pins. Thermal grease on the pins can permanently damage the processor.

Installing the Processor

NOTICE: Ground yourself by touching an unpainted metal surface on the back of the computer.

1. Follow the procedures in Before You Begin.

NOTICE: Be careful not to bend any of the pins when you unpack the processor. Bending the pins can permanently damage the processor.

2. Unpack the new processor, being careful not to bend any of the processor pins.

NOTE: You must position the processor correctly in the socket to avoid permanent damage to the processor and the computer when you turn on the computer.

3.If the release lever on the socket is not fully extended, move it to that position.

4.Align the pin-1 corners of the processor and socket.

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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