Dell 4500 technical specifications Open the computer cover

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4.Open the computer cover.

5.Disconnect the cooling fan power cable from the CR3F1 connector on the system board.

6.Disconnect the +12-VDC P2 DC power cable from the J4B1 connector on the system board.

7.Lift up the airflow shroud.

8.Remove the heat sink.

a. Press and lower the green lever on the retention mechanism until it is parallel to the system board.

NOTICE: Gently rock the heat sink and then lift it to remove it.

9.Lift the heat sink away from the microprocessor.

NOTICE: Do not discard the original heat sink unless you are installing a microprocessor upgrade kit from Dell. If you are not installing a microprocessor upgrade kit from Dell, reuse the original heat sink and blower when you install your new microprocessor.

10.Pull the socket lever up straight up until the microprocessor is released.

The microprocessor uses a ZIF socket with a lever-type handle that secures or releases the microprocessor.

NOTICE: Be careful not to bend any of the pins when you remove the microprocessor package from the ZIF socket. Bending the package pins can permanently damage the microprocessor.

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Contents Dell Dimension Advanced Troubleshooting Diagnostic CodesBack to Contents Diagnostic Code Definition Corrective ActionBeep Codes System MessagesSystem board Beep Codes Possible Cause Corrective ActionUsing System Restore Creating a Restore PointClick Help and Support Click System Restore Restoring the Computer to an Earlier Operating StateReinstalling Drivers Undoing the Last System RestoreUsing Windows XP Device Driver Rollback Reinstalling Windows XP Using the Dell Dimension ResourceCDResolving Software and Hardware Incompatibilities Reinstall the appropriate drivers Documentation Finding Information for Your ComputerWhat Are You Looking For? Find it Here Printed Documentation Online DocumentationDownloading the Tell Me How Help File and Associated Files Click User and system guides, and then click Users guidesViewing the Tell Me How Help File Safety Instructions When Using Your ComputerAdding Parts When Working Inside Your Computer Ergonomic Computing Habits Battery DisposalProtecting Against Electrostatic Discharge Shutting Down the Computer Reattaching the Front Door and Hinge ArmsWindows XP Reattaching the Front DoorOpening the Computer Cover Adding Cards Open the computer coverRemoving Cards Close the computer coverAdding Memory Open the computer cover Remove the AGP cardReinstall the AGP card Close the computer cover Replacing an AGP CardAdding a Second Hard Drive Adding Other Drives Inch Devices Inch Devices Replacing the Microprocessor Open the computer cover Installing the Microprocessor Removing the Front I/O Panel Replacing the Power Supply Removing the Power SupplyReplacing the Power Supply Replacing the System BoardRemoving the System Board Replacing the System BoardClosing the Computer Cover Solving Problems Battery Problems Drive ProblemsFloppy drive problems Finding Help InformationMail, Modem, and Internet Problems CD drive problemsProblems writing to a CD-RW drive DVD drive problemsError Messages General ProblemsComputer stops responding Verify that the modem is communicating with WindowsOther software problems Other technical problemsProgram stops responding Program crashes repeatedlyKeyboard Problems Mouse ProblemsGeneral hardware problems Restart the computerNetwork Problems Power ProblemsCheck the mouse settings Reinstall the mouse driver See Reinstalling DriversPrinter Problems Scanner ProblemsSound and Speaker Problems No sound from speakersVideo and Monitor Problems No sound from headphonesIf the screen is blank If the screen is difficult to readBack to Contents Technical Specifications Power Audio2Video Controls and LightsPage System Setup Program Entering the System Setup ProgramOverview Main ScreenDisplays the Peripheral Configuration submenu Advanced ScreenOption Function Boot Configuration Submenu Peripheral Configuration SubmenuDisplays the Diskette Configuration submenu Displays the Event Log Configuration submenuIDE Configuration Submenu Primary IDE Master SubmenuBase I/O Address InterruptDiskette Configuration Submenu Event Log Configuration SubmenuNone Video Configuration Submenu Security ScreenPower Screen Stay Off defaultPower On Last StateBoot Screen Exit ScreenClearing Forgotten Passwords Enabling the Processor Serial NumberInternal View System Board Connectors and Sockets Technical OverviewPower Supply DC Power ConnectorsPower Supply DC Connector Pin Assignments DC Power Connector P1 DC Power Connector P2Pin Number Signal name 18-AWG Wire IDE Interface Cable Connections for Dell-Installed Drives Placement of Dell-Installed CardsDC Power Connectors P3, P5, P6, P8, and P9 DC Power Connector P7Card Connector Card Description Controls and Lights Front ViewFront View Back View USB 2.0 Connectors Back ViewSerial Connector Hints, Notices, and Cautions Abbreviations and AcronymsHints, Notices, and Cautions Abbreviations and Acronyms

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