Lenovo Thinkpad Edge E420S Keyboard Replacement Repair Guide

Difficulty

Moderate

Steps

Time Required

                          30 minutes

Sections

Hard Drive
5 steps
Top Case
7 steps
Keyboard
3 steps

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Introduction

What you need

Step 1

              Hard Drive

There is no external access to the battery. Please make sure the at the battery has been drained or disabled through BIOS before beginning.
Flip the device over.

There is no external access to the battery. Please make sure the at the battery has been drained or disabled through BIOS before beginning.

Flip the device over.

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Step 2

Use a Phillips #00 screwdriver to remove one M2 x 3mm screw from the side of the device.

Use a Phillips #00 screwdriver to remove one M2 x 3mm screw from the side of the device.

Step 3

Swing the cover out slightly like a hinge.
Pull the cover directly away from the case towards the base of the laptop.
Lift the cover up and away from the device to remove it.
You may hear a slight pop when you pull the cover off.

Swing the cover out slightly like a hinge.

Pull the cover directly away from the case towards the base of the laptop.

Lift the cover up and away from the device to remove it.

You may hear a slight pop when you pull the cover off.

Step 4

Use the clear tab to slide the hard drive out of the device.

Use the clear tab to slide the hard drive out of the device.

Step 5

To replace the hard drive, remove the four M2 × 4mm wafer-headed screws on the sides of the hard drive case using a Phillips #00 screwdriver.
Slide the old hard drive directly out.
When reassembling, make sure the hard drive is securely in the case before beginning.

To replace the hard drive, remove the four M2 × 4mm wafer-headed screws on the sides of the hard drive case using a Phillips #00 screwdriver.

Slide the old hard drive directly out.

When reassembling, make sure the hard drive is securely in the case before beginning.

Step 6

              Top Case

Use a Phillips #0 screwdriver to remove eight M2 × 3 mm screws near the front opening and scattered across the bottom of the laptop.
Remove three M2x3 mm screws using a Phillips #00 screwdriver from the base of the laptop near the opening.

Use a Phillips #0 screwdriver to remove eight M2 × 3 mm screws near the front opening and scattered across the bottom of the laptop.

Remove three M2x3 mm screws using a Phillips #00 screwdriver from the base of the laptop near the opening.

Step 7

Remove the M3 x 2mm screw from the hole left by the hard drive using a Phillips #00 screwdriver.

Remove the M3 x 2mm screw from the hole left by the hard drive using a Phillips #00 screwdriver.

Step 8

Flip over the device.
Open the device normally.

Flip over the device.

Open the device normally.

Step 9

Wedge the plastic opening tool between the upper and lower halves of the lower case.
Lift the end of the opening tool slowly until the case separates.
Hearing a small popping or cracking noise during this step is normal

Wedge the plastic opening tool between the upper and lower halves of the lower case.

Lift the end of the opening tool slowly until the case separates.

Hearing a small popping or cracking noise during this step is normal

Step 10

Lift the upper half of the case up slowly.
Be sure not to yank any of the wires connected to the case as this could damage them.

Lift the upper half of the case up slowly.

Be sure not to yank any of the wires connected to the case as this could damage them.

Step 11

Locate and disconnect the 4 ribbon wires from the top case.
Locate and disconnect the two additional connecting wires.
Some wires may be connected by a clamp. In order to remove the clamp, press upwards on the lever attached to the connector
Be careful to not yank on the wires when disconnecting them as they are easily damaged.

Locate and disconnect the 4 ribbon wires from the top case.

Locate and disconnect the two additional connecting wires.

Some wires may be connected by a clamp. In order to remove the clamp, press upwards on the lever attached to the connector

Be careful to not yank on the wires when disconnecting them as they are easily damaged.

Step 12

Lift the unattached case away from the device and place it to the side.
When reassembling ensure that all parts of the case are properly aligned.

Lift the unattached case away from the device and place it to the side.

When reassembling ensure that all parts of the case are properly aligned.

Step 13

              Keyboard

Take the top case and turn it over so you can see the back of the keyboard.

Take the top case and turn it over so you can see the back of the keyboard.

Step 14

Use a plastic opening tool to push out the metal spacers holding the keyboard in place.
After the metal spacers have been disconnected, the keyboard may simply fall out. If not, apply a small amount of pressure to pop it off.

Use a plastic opening tool to push out the metal spacers holding the keyboard in place.

After the metal spacers have been disconnected, the keyboard may simply fall out. If not, apply a small amount of pressure to pop it off.

Step 15

Lift the keyboard away from the rest of the case.

Lift the keyboard away from the rest of the case.

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

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                    Keyadri Summerlin

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Team

                       Linn Benton Community College, Team S2-G1, Karnes Fall 2018                        

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Introduction#

What you need#

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Introduction

What you need

Team