Toshiba Satellite E45T-A4300 Motherboard Replacement

Introduction

The motherboard is the base for all of the parts of the laptop to communicate with each other. When the motherboard is damaged such that certain functions of the laptop won’t work, then a replacement for the motherboard may be necessary.

What you need

Step 1 Back Panel

Toshiba Satellite E45T-A4300 Motherboard Replacement, Back Panel: step 1, image 1 of 1

Remove the twelve 5 mm Phillips #1 screws from the back panel.

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Step 2

Pry the back panel open with the plastic spudger or fingernails.
Pry it gently so that the back panel does not crack.

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Step 3 Hard Drive

Toshiba Satellite E45T-A4300 Motherboard Replacement, Hard Drive: step 3, image 1 of 1

Remove the three 7mm black screws using the Phillips #1 screwdriver.

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Step 4

Remove the hard drive’s connection port with grooved tweezers.

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Step 5

Pull the hard drive out of the hook and remove it from the device.

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Step 6 Fan

Toshiba Satellite E45T-A4300 Motherboard Replacement, Fan: step 6, image 1 of 2

Toshiba Satellite E45T-A4300 Motherboard Replacement, Fan: step 6, image 2 of 2

Remove the two 5 mm screws using a Phillips #1 screwdriver.

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Step 7

Gently disconnect the fan cable from the device.

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Step 8

Move the wires away from the fan’s hook.
Remove the fan from the device.

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Step 9 Heat Sink

Toshiba Satellite E45T-A4300 Motherboard Replacement, Heat Sink: step 9, image 1 of 1

Remove the three 5 mm screws using a Phillips #1 screwdriver.

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Step 10

Toshiba Satellite E45T-A4300 Motherboard Replacement: step 10, image 3 of 3

Pry the heat sink away from the laptop with two hands at both ends and remove it from the device.
The heat sink is glued to a gray paste called thermal paste. Do not touch the paste.

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Step 11 Battery

Toshiba Satellite E45T-A4300 Motherboard Replacement, Battery: step 11, image 1 of 1

Disconnect the battery connector from the motherboard.

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Step 12

Remove the single screw Phillips #1 screw near the battery.

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Step 13

Remove the battery from the laptop.

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Step 14 Motherboard

Toshiba Satellite E45T-A4300 Motherboard Replacement, Motherboard: step 14, image 1 of 2

Toshiba Satellite E45T-A4300 Motherboard Replacement, Motherboard: step 14, image 2 of 2

Remove the single 7 mm silver screw using a Phillips #1 screwdriver.

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Step 15

Pull metal stick holder until it is upright.

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Step 16

Remove the 7 mm silver screw under the metal bar using the Phillips #1 screwdriver.

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Step 17

Toshiba Satellite E45T-A4300 Motherboard Replacement: step 17, image 3 of 3

Disconnect the six connectors from the device.
For the monitor port, pull it from the black tab.
For the connection port with the blue strip, lift the white placeholder before pulling the blue strip out of the connection port.