Dell 420, 220, 220S Replacing the Processor Heat Sink/Fan Assembly

Replacing the Processor Heat Sink/Fan Assembly

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1. Apply thermal solution to the heat sink as needed.

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2. Align the four captive screws on the heat sink/fan assembly with the holes and rubber bushings on the system board.

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3. Tighten the captive screws evenly to secure the heat sink/fan assembly to the system board.

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4. Attach the heat sink/fan assembly cable to the system board (see System Board Components).

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5. Follow the procedure in After Working on Your Computer.

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NOTICE: Unless a new heat sink is required for the new processor, reuse the original heat sink/fan assembly when you replace the processor.

Phillips screwdriver

heat sink/fan assembly

heat sink/fan cable

system board fan connector

screw holes with rubber bushings

captive screws (4)

NOTICE: Ensure that the assembly is correctly seated and secure.

Contents

Main DellVostro420/220/220sServiceManual Notes, Notices, and Cautions Bezel DellVostro420/220/220sServiceManual Removing the Bezel Replacing the Bezel Page BIOS DellVostro420/220/220sServiceManual Flashing the BIOS From a CD Flashing the BIOS From the Hard Drive Page Chassis Support Bracket Removing the Chassis Support Bracket Replacing the Chassis Support Bracket PCI and PCI Express Cards Removing a PCI or PCI Express Card Installing a PCI or PCI Express Card Configuring Your Computer After Removing or Installing a PCI or PCI Express Card Page Coin-Cell Battery Removing the Coin-Cell Battery Replacing the Coin-Cell Battery Contacting Dell Computer Cover Removing the Computer Cover Replacing the Computer Cover Page Processor Removing the Processor Replacing the Processor Page Drives DellVostro420/220/220sServiceManual Hard Drives Removing a Hard Drive Vostro420 Page Replacing or Adding a Hard Drive Vostro 420 Vostro 220 Media Card Reader Removing a Media Card Reader Page Replacing or Adding a Media Card Reader Page Optical Drive Removing an Optical Drive Replacing or Adding an Optical Drive Removing a Drive Bay Break-Away Metal Plate Vostro 420 and Vostro 220 Vostro 220s Fan Removing the Chassis Fan Replacing the Chassis Fan Page Processor Heat Sink/Fan Assembly Removing the Processor Heat Sink/Fan Assembly Replacing the Processor Heat Sink/Fan Assembly I/O Panel Removing the I/O Panel Replacing the I/O Panel Memory Module(s) Removing Memory Modules Replacing or Adding a Memory Module Page Power Supply Removing the Power Supply Replacing the Power Supply DC Power Supply Connectors Page DC Power Connector P1 DC Power Connector P2 DC Power Connectors P3, P4, P5, P6, P7, and P8 DC Power Connector P9 DC Power Connector P10 System Board Remove the System Board Replacing a System Board Page System Setup Program Overview Entering the System Setup Program System Setup Program Screens System Setup Program Options Boot Sequence Option Settings Changing Boot Sequence for the Current Boot Changing Boot Sequence for Future Boots Clearing Forgotten Passwords Clearing CMOS Settings BIOS Flashing the BIOS From the Hard Drive Page Page Troubleshooting Tools Power Lights Beep Codes System Messages Hardware Troubleshooter Dell Diagnostics When to Use the Dell Diagnostics Starting the Dell Diagnostics From Your Hard Drive Starting the Dell Diagnostics From the Drivers and Utilities Disc Dell Diagnostics Main Menu Solving Problems Battery Problems Drive Problems Optical drive problems Problems writing to an optical drive Hard drive problems Error Messages IEEE 1394 Device Problems Keyboard Problems Lockups and Software Problems The computer does not start up The computer stops responding A program stops responding Memory Problems Mouse Problems Network Problems Power Problems Printer Problems Scanner Problems Sound and Speaker Problems No sound from speakers No sound from headphones Video and Monitor Problems The screen is blank The screen is difficult to read 3D image quality is poor Only part of the display is readable Dell Technical Update Service Dell Support Utility Accessing the Dell Support Utility Clicking the Dell Support Icon Double-Clicking the Dell Support Icon Working on Your Computer Recommended Tools Before Working on Your Computer Turning Off Your Computer Inside View of Your Computer Vostro420 Vostro 220 Vostro 220s System Board Components Vostro 220 Vostro 220s After Working on Your Computer