Lenovo Ideapad Y400 Cpu Replacement Repair Guide

Difficulty

Moderate

Steps

Time Required

                          20 - 25 minutes

Sections

Battery
3 steps
Back Panel
2 steps
Optical Drive
2 steps
Motherboard
4 steps
CPU
3 steps

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Introduction

What you need

Step 1

              Battery

Make sure the laptop is upside down, then turn the laptop so that the battery is facing you. Now that the battery is facing you, there will be two locks, one on the left and one on the right.
Slide the lock to the right until you can hear a “click”. Once you hear this click, you should be able to see the color red.

Make sure the laptop is upside down, then turn the laptop so that the battery is facing you. Now that the battery is facing you, there will be two locks, one on the left and one on the right.

Slide the lock to the right until you can hear a “click”. Once you hear this click, you should be able to see the color red.

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Step 2

Unlike the first lock, the left lock does not stay in place. You will need to hold it in place as you take the battery out.
Slide the second (left) lock to the left and hold it there.

Unlike the first lock, the left lock does not stay in place. You will need to hold it in place as you take the battery out.

Slide the second (left) lock to the left and hold it there.

Step 3

Gently pull the battery out.

Gently pull the battery out.

Step 4

              Back Panel

Remove the eight 9mm screws with a Phillips #0 screwdriver.

Remove the eight 9mm screws with a Phillips #0 screwdriver.

Step 5

Use the plastic opening tool to remove the back panel from the device.
Be careful not to force the back off, as you may break the clips keeping it down.

Use the plastic opening tool to remove the back panel from the device.

Be careful not to force the back off, as you may break the clips keeping it down.

Step 6

              Optical Drive

Move the lock down until you see red and hear a slight click.

Move the lock down until you see red and hear a slight click.

Step 7

Hold this lock down while removing the optical drive.

Hold this lock down while removing the optical drive.

Step 8

              Motherboard

Unscrew the screws using a Phillips #0 screwdriver.
Unplug the wireless adapter to fully remove the motherboard.
If you don’t want to break any of the parts you might want to take out the RAM, SSD, and the Hard Drive.
Screw sizes will be 4mm and 9mm

Unscrew the screws using a Phillips #0 screwdriver.

Unplug the wireless adapter to fully remove the motherboard.

If you don’t want to break any of the parts you might want to take out the RAM, SSD, and the Hard Drive.

Screw sizes will be 4mm and 9mm

Step 9

Use the plastic opening tool to take off the front panel.
Unplug the blue wire to remove the front panel.

Use the plastic opening tool to take off the front panel.

Unplug the blue wire to remove the front panel.

Step 10

Fully remove the front panel.
Unscrew the 9mm and 4mm screws (there is one of each screw).

Fully remove the front panel.

Unscrew the 9mm and 4mm screws (there is one of each screw).

Step 11

After unscrewing the screws, remove the motherboard.

After unscrewing the screws, remove the motherboard.

Step 12

CPU

Unscrew the six screws using a Phillips #0 screwdriver.
These do not come out, do not try and force them out.
After you are done unscrewing them, remove the heatsink.

Unscrew the six screws using a Phillips #0 screwdriver.

These do not come out, do not try and force them out.

After you are done unscrewing them, remove the heatsink.

Step 13

To take the CPU off you will need to unlock it, use the plastic opening tool to unlock the CPU. Turn it to the left until it is unlocked.
The lock will look like a small circle with a gap in the middle.
If you get thermal paste (the grey goopy looking stuff) on your hands, make sure to wash it off with warm water.

To take the CPU off you will need to unlock it, use the plastic opening tool to unlock the CPU. Turn it to the left until it is unlocked.

The lock will look like a small circle with a gap in the middle.

If you get thermal paste (the grey goopy looking stuff) on your hands, make sure to wash it off with warm water.

Step 14

Gently take the CPU out.
Make sure not to bend the golden pins.

Gently take the CPU out.

Make sure not to bend the golden pins.

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

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                    Rachel Simmons

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                       University of North Texas, Team S7-G5, Thompson Fall 2018                        

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