Dell Inspiron 1545 Computer Processing Unit Replacement Repair Guide

Difficulty

Moderate

Steps

9

Time Required

                          5 - 10 minutes            

Sections

4

• Battery
• 3 steps
• Base Cover
• 2 steps
• CPU Heat Sink
• 2 steps
• Computer Processing Unit
• 2 steps

Flags

1

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Introduction

What you need

Step 1

              Battery               

• Before attempting to remove the battery ensure that the laptop is disconnected from all power sources and turned off.
• Turn the laptop over to its back.

Before attempting to remove the battery ensure that the laptop is disconnected from all power sources and turned off.

Turn the laptop over to its back.

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Step 2

• Slide the release latch while simultaneously pulling backwards on the battery.

Slide the release latch while simultaneously pulling backwards on the battery.

Step 3

• Slide the battery out of the battery bay.

Slide the battery out of the battery bay.

Step 4

              Base Cover               

• Unscrew the four screws (3mm Phillips #1) that hold the base cover in place.
• The screws are connected to the base cover by a washer anddo not remove from the base cover.

Unscrew the four screws (3mm Phillips #1) that hold the base cover in place.

The screws are connected to the base cover by a washer anddo not remove from the base cover.

Step 5

• Carefully lift the base cover vertically away from the laptop.

Carefully lift the base cover vertically away from the laptop.

Step 6

              CPU Heat Sink               

• Loosen the 5 screws (4mm, Phillips #1) that secure the CPU Heat Sink to the motherboard.
• These screws are held in place by a washer so you should not be able to completely remove the screws.

Loosen the 5 screws (4mm, Phillips #1) that secure the CPU Heat Sink to the motherboard.

These screws are held in place by a washer so you should not be able to completely remove the screws.

Step 7

• Pull up on the Heat Sink unit to remove it.

Pull up on the Heat Sink unit to remove it.

Step 8

              Computer Processing Unit               

• Using a flathead screwdriver, rotate the locking mechanism counterclockwise to the unlocked position.

Using a flathead screwdriver, rotate the locking mechanism counterclockwise to the unlocked position.

Step 9

• The CPU is very fragile and has thin pins.
• Remove the CPU by pulling straight upward and away from the laptop.

The CPU is very fragile and has thin pins.

Remove the CPU by pulling straight upward and away from the laptop.

To reassemble your device, follow these instructions in reverse order.

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                    Nathan Lemay                     

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                       Cal Poly, Team 9-14, Regan Spring 2014                        

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