Dell Latitude 9440 2-In-1 How-To Install & Replace Your Power Button Fingerprint Reader


In this Dell laptop tutorial we are going to show you how to install and replace the Power Button Fingerprint Reader on your Latitude 9440 2-In-1 laptop. These installation instructions have been made into 14 easy to follow printable steps. We have also created a video tutorial that shows you how to install your Latitude 9440 2-In-1 Power Button Fingerprint Reader.

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 Phillips #0 screwdriver
  • 1 x small plastic scribe
Latitude 9440 2-in-1 Power Button Fingerpr

Dell Laptop Replacement Parts Needed

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Latitude 9440 2-in-1 Power Button Fingerprint Reader

Video tutorial repair manual



Installation and Removal Instructions
Latitude 9440 2-In-1 Power Button Fingerprint Reader

Before you begin: If you need help at any point, you can always contact Parts-People Repair Department for help with your diagnosis or repair.

Step 1

Unscrew and remove the Bottom Base Cover (6 x captive screws).

Step 2

Unscrew and remove the Bottom Base Cover (6 x captive screws).Unscrew and remove the Bottom Base Cover (6 x captive screws).Unscrew and remove the Bottom Base Cover (6 x captive screws).Unscrew and remove the Bottom Base Cover (6 x captive screws).
Disconnect the battery cable.

Step 3

  • Disconnect the battery cable.
Unscrew and remove the WiFi bracket (1 x captive screw).

Step 4

  • Unscrew and remove the WiFi bracket (1 x captive screw).
  • Disconnect and unroute the antenna cables.
Unscrew and remove the WiFi bracket (1 x captive screw).Disconnect and unroute the antenna cables.Unscrew and remove the WiFi bracket (1 x captive screw).Unscrew and remove the WiFi bracket (1 x captive screw).
Unscrew and remove the Battery (6 x

Step 5

Unscrew and remove the Battery (6 x Unscrew and remove the Battery (6 x
Unscrew the left and right Cooling Fans (4 x 1.6mm x 3mm).

Step 6

  • Unscrew the left and right Cooling Fans (4 x 1.6mm x 3mm).
  • Peel away the tape to expose the fan connectors.
Unscrew the left and right Cooling Fans (4 x 1.6mm x 3mm).Peel away the tape to expose the fan connectors.Unscrew the left and right Cooling Fans (4 x 1.6mm x 3mm).
Unclip the fan connector locking tabs.

Step 7

  • Unclip the fan connector locking tabs.
  • Remove the Cooling Fans.
Unclip the fan connector locking tabs.Remove the Cooling Fans.Unclip the fan connector locking tabs.Unclip the fan connector locking tabs.
Unscrew and remove the display cable/USB-C bracket (2 x 1.6mm x 3mm).

Step 8

  • Unscrew and remove the display cable/USB-C bracket (2 x 1.6mm x 3mm).
Unscrew and remove the display cable/USB-C bracket (2 x 1.6mm x 3mm).Unscrew and remove the display cable/USB-C bracket (2 x 1.6mm x 3mm).
Unclip the locking tabs and disconnect the LCD cables.

Step 9

  • Unclip the locking tabs and disconnect the LCD cables.
Unclip the locking tabs and disconnect the LCD cables.Unclip the locking tabs and disconnect the LCD cables.Unclip the locking tabs and disconnect the LCD cables.Unclip the locking tabs and disconnect the LCD cables.
Unscrew the left and right LCD hinges (6 x M2.5 x 4mm).

Step 10

  • Unscrew the left and right LCD hinges (6 x M2.5 x 4mm).
  • Separate the display assembly from the palmrest assembly.
Unscrew the left and right LCD hinges (6 x M2.5 x 4mm).Separate the display assembly from the palmrest assembly.Unscrew the left and right LCD hinges (6 x M2.5 x 4mm).Unscrew the left and right LCD hinges (6 x M2.5 x 4mm).
Disconnect the left and right Speakers.

Step 11

  • Disconnect the left and right Speakers.
Disconnect the left and right Speakers.Disconnect the left and right Speakers.
Unclip the locking tab and disconnect the power button cable.

Step 12

  • Unclip the locking tab and disconnect the power button cable.
  • Unclip the locking tab and disconnect the touchpad cable.
Unclip the locking tab and disconnect the power button cable.Unclip the locking tab and disconnect the touchpad cable.Unclip the locking tab and disconnect the power button cable.Unclip the locking tab and disconnect the power button cable.
Unscrew and remove the Motherboard (6 x 1.6mm x 2mm) (4 x 1.6mm x 3mm).

Step 13

  • Unscrew and remove the Motherboard (6 x 1.6mm x 2mm) (4 x 1.6mm x 3mm).
  • ***THE HEATSINK CAN REMAIN ATTACHED TO THE MOTHERBOARD.
Unscrew and remove the Motherboard (6 x 1.6mm x 2mm) (4 x 1.6mm x 3mm).***THE HEATSINK CAN REMAIN ATTACHED TO THE MOTHERBOARD.
Unscrew and remove the power button bracket (1 x 1.6mm x 2mm).

Step 14

  • Unscrew and remove the power button bracket (1 x 1.6mm x 2mm).
  • Remove the power button.
  • ***FOLLOW THE ORIGINAL STEPS IN REVERSE TO REASSEMBLE YOUR LAPTOP.
Unscrew and remove the power button bracket (1 x 1.6mm x 2mm).Remove the power button.***FOLLOW THE ORIGINAL STEPS IN REVERSE TO REASSEMBLE YOUR LAPTOP.Unscrew and remove the power button bracket (1 x 1.6mm x 2mm).
Latitude 9440 2-in-1 Power Button Fingerpr

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
Latitude 9440 2-in-1 Power Button Fingerprint Reader

Topics: Dell Latitude Repair Manuals Dell Laptop Repair Dell Repair Manuals Latitude 9440 2-In-1 Power Button Fingerprint Reader

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