Dell Inspiron 11-3157 (P20T003) Motherboard Removal and Installation

Created by on May 24, 2022
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In this Dell laptop tutorial we are going to show you how to install and replace the Motherboard on your Inspiron 11-3157 (P20T003) laptop. These installation instructions have be made into 11 easy to follow printable steps. We have also create a video tutorial that shows you how to install your Inspiron 11-3157 (P20T003) Motherboard.

Before you begin

Please take the time read the following safety guidelines when working on static sensitive electrical components.
Dell repair manual service precautions

Tools needed for this laptop repair

  • 1 x small phillips head screwdriver
  • 1 x small plastic scribe
Inspiron 3157 Motherboard

Dell Laptop Replacement Parts Needed

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Inspiron 11 3157 Motherboard

Video tutorial repair manual



Installation and Removal Instructions
Inspiron 11-3157 (P20T003) Motherboard

Remove the 9 - M2.5 x 6mm screws.

Step 1

  • Remove the 9 - M2.5 x 6mm screws.
  • Carefully pry up and unsnap the bottom cover.
Remove the 9 - M2.5 x 6mm screws.Carefully pry up and unsnap the bottom cover. Remove the 9 - M2.5 x 6mm screws.
Remove the Bottom Cover.

Step 2

Remove the Bottom Cover.Remove the Bottom Cover.
Remove the 3 - M2.5 x 3mm screws.

Step 3

  • Remove the 3 - M2.5 x 3mm screws.
  • Unplug & loosen the hard drive cable.
Remove the 3 - M2.5 x 3mm screws.Unplug & loosen the hard drive cable.
Remove the Battery.

Step 4

Remove the Battery.Remove the Battery.
Separate the clips and remove the memory.

Step 5

  • Separate the clips and remove the memory.
Separate the clips and remove the memory.Separate the clips and remove the memory.
Unplug the fan cable.

Step 6

  • Unplug the fan cable.
  • Loosen the heatsink screws.
  • Remove the Heatsink Fan. ***Clean the heatsink and reapply thermal compound before installing the heatsink.***
Unplug the fan cable.Loosen the heatsink screws.Remove the Heatsink Fan. ***Clean the heatsink and reapply thermal compound before installing the heatsink.***
Loosen the tape.

Step 7

  • Loosen the tape.
  • Remove the 2 - M2 x 3mm screws.
  • Lift the caddy out of the laptop.
Loosen the tape.Remove the 2 - M2 x 3mm screws.
Remove the 2 - M2 x 3mm screws.

Step 8

  • Remove the 2 - M2 x 3mm screws.
  • Remove the LCD Cable bracket.
Remove the 2 - M2 x 3mm screws.Remove the LCD Cable bracket.
Unplug the display cable.

Step 9

  • Unplug the display cable.
  • Unplug the touchscreen cable.
Unplug the display cable.Unplug the touchscreen cable.Unplug the display cable.Unplug the display cable.
Unplug the keyboard cable.

Step 10

  • Unplug the keyboard cable.
  • Unplug the touchpad cable.
  • Unplug the speaker cable.
Unplug the keyboard cable.Unplug the touchpad cable.Unplug the speaker cable.Unplug the keyboard cable.
Unplug the DC Jack.

Step 11

Unplug the DC Jack.Remove the 1 - M2 x 2mm Wafer screw.Remove the Motherboard.
Inspiron 3157 Motherboard

Dell Laptop Replacement Parts Needed

DIY Discount - Parts-People.com offers 5% off to all DO-IT-YOURSELFERS!
Use this coupon code to save 5% off these parts
DIYM514
Inspiron 11 3157 Motherboard

Topics: Dell Inspiron Repair Manuals Dell Laptop Repair Dell Repair Manuals Inspiron 11 (3157) Motherboard

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