Dell 7420, 5420 owner manual Replacing the Processor

Page 97

40 Replacing the Processor

WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in "Before You Begin" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance.

Procedure

NOTE: If you install a new processor, a new thermal cooling assembly including an affixed thermal pad or a new thermal pad along with documentation to illustrate proper installation is shipped.

1Align the pin-1 corner of the processor module with the pin-1 corner of the ZIF socket, then insert the processor module.

NOTE: The pin-1 corner of the processor module has a triangle that aligns with the triangle on the pin-1 corner of the ZIF socket.

When the processor module is properly seated, all four corners are aligned at the same height. If one or more corners of the module are higher than the others, the module is not seated properly.

CAUTION: To avoid damage to the processor, hold the screwdriver perpendicular to the processor when turning the cam screw.

2Tighten the ZIF socket by turning the cam screw clockwise to secure the processor module to the system board.

Postrequisites

1Replace the processor heat-sink assembly. See "Replacing the Processor Heat-Sink" on page 107.

2Follow the instructions from step 4 to step 7 in "Replacing the System Board" on page 103.

3Replace the fan. See “Replacing the Fan” on page 65.

4Replace the speakers. See “Replacing the Speakers” on page 69.

5Follow the instructions from step 5 to step 8 in "Replacing the Hard Drive" on page 39.

6Follow the instructions from step 4 to step 5 in "Replacing the Optical Drive" on page 43.

7Replace the memory module(s). See "Replacing the Memory Module(s)" on page 33.

8Replace the palm rest. See "Replacing the Palm Rest" on page 49.

9Replace the keyboard. See "Replacing the Keyboard" on page 25.

10Replace the base cover. See "Replacing the Base Cover" on page 29.

Replacing the Processor

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Contents Dell Inspiron 14R Rev. A00 Contents Removing the Memory Modules Removing the Power-Adapter Port Removing the Display Bezel Removing the System Board Contents Turn Off Your Computer and Connected Devices Before You BeginRecommended Tools After Working Inside Your Computer After Working Inside Your Computer Procedure Removing the SwitchRemoving the Switch Replacing the Switch Replacing the Switch Removing the Battery Removing the Battery Replacing the Battery Replacing the Battery Removing the Keyboard Procedure Page Removing the Keyboard Postrequisites Replacing the KeyboardReplacing the Keyboard Removing the Base Cover Removing the Base Cover Replacing the Base Cover Replacing the Base Cover Removing the Memory Modules Removing the Memory Modules Replacing the Memory Modules Postrequisites Removing the Hard Drive Hard-drive assembly Removing the Hard Drive Page Removing the Hard Drive Replacing the Hard Drive Replacing the Hard Drive Removing the Optical Drive Page Replacing the Optical Drive Replacing the Optical Drive Removing the Palm Rest Page Page Removing the Palm Rest Replacing the Palm Rest Replacing the Palm Rest Removing the Mini-Card Page Replacing the Mini-Card Postrequisites Removing the Power-Adapter Port Removing the Power-Adapter Port Replacing the Power-Adapter Port Replacing the Power-Adapter Port Removing the Coin-Cell Battery Procedure Replacing the Coin-Cell Battery Replacing the Coin-Cell Battery Removing the Fan Removing the Fan Replacing the Fan Replacing the Fan Removing the Speakers Removing the Speakers Replacing the Speakers Replacing the Speakers Removing the Display Assembly Page Page Removing the Display Assembly Replacing the Display Assembly Replacing the Display Assembly Removing the Display Bezel Removing the Display Bezel Replacing the Display Bezel Replacing the Display Bezel Removing the Display Panel Page Replacing the Display Panel Replacing the Display Panel Removing the Display Hinges Page Replacing the Display Hinges Replacing the Display Hinges Removing the Camera Module Page Page Removing the Camera Module Replacing the Camera Module Replacing the Camera Module Removing the Processor Procedure Replacing the Processor Page Removing the System Board Procedure 101 Removing the System Board Replacing the System Board Entering the Service Tag in the Bios Removing the Processor Heat-Sink Procedure Replacing the Processor Heat-Sink Replacing the Processor Heat-Sink Flashing the Bios Flashing the Bios
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