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Article Number: 000140991

Latitude 7389 2-in-1: Customer Replaceable Unit (CRU) part removal guide

Summary: This article takes you through the removal steps for those parts of the Latitude 7389 notebook that considers it easy and safe for anyone to replace.

This article may have been automatically translated. If you have any feedback regarding its quality, please let us know using the form at the bottom of this page.

Article Content

Symptoms

These guides will take you step by step through the safe removal of what are considered to be the Customer Replaceable Unit (CRU) parts of a Latitude 7389 2-in-1 system. (CRUs are the parts of the system that shouldn't need an engineer to remove or replace.) The guides will also include pictures to reference what's involved.

Table of Contents:

  1. CRU Removal Guide
  2. Removal Instructions

 

Removal Guide

 

If these guides do not cover what you are looking to do, then you will want to reference your System Manual.

The article below provides information on safe practises to take into consideration before working with electrical equipment.

Cause

 

Removal Instructions

 

SLN307449_en_US__1icon Note: Please click on the title of the section you want to open below, in order to see the contents.
 
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SLN307449_en_US__2ReqTools_E7450_BKeith_01

1 Small Phillip's head screwdriver 2 Plastic Scribe
3 Small Flat head screwdriver    
 
SLN307449_en_US__1icon Note: Be aware that using a large Phillips or Flat Head screwdriver may result in damage to the head of the screws. This would make their removal impossible without specialty tools, that aren't available to our onsite engineers.
 

 

  1. Pre-Removal Instructions Before removing the Main Access Panel:

    1. During installation or removal of any hardware always ensure all data is backed up properly

    2. Disconnect any telephone, network, or USB cables from the computer

    3. Disconnect the computer and all attached devices from their electrical outlets

  2. Turn your system onto it's lid and release the eight (8) captive screws that secure the base to the chassis.

SLN307449_en_US__47389_Base_BK_01

  1. Use a plastic scribe to pry the base cover starting from the hinges to the top edge of the cover and lift it from the PC.

SLN307449_en_US__57389_Base_BK_02

SLN307449_en_US__1icon Note: The recesses are located at the rear side of the computer near the hinges.

 

  1. Pre-Removal Instructions Before removing the SD Micro Memory Card:

    1. During installation or removal of any hardware always ensure all data is backed up properly

    2. Disconnect any telephone, network, or USB cables from the computer

    3. Disconnect the computer and all attached devices from their electrical outlets

  2. Press in on the Micro SD Card and then release to have it pop out of the slot.

  3. Pull the Micro SD Card out of the computer.

 

  1. Pre-Removal Instructions Before removing the Battery :

    1. During installation or removal of any hardware always ensure all data is backed up properly

    2. Disconnect any telephone, network, or USB cables from the computer

    3. Disconnect the computer and all attached devices from their electrical outlets

    4. Please remove the Base Cover and Micro SD Card

  2. Lift the ribbon and disconnect the battery cable from the motherboard [1], remove the four (4) screws holding the battery into the chassis [2].

SLN307449_en_US__77389_Battery_BK_01

  1. Remove the battery from the system [3].

 

  1. Pre-Removal Instructions Before removing the Solid State Drive (SSD) :

    1. During installation or removal of any hardware always ensure all data is backed up properly

    2. Disconnect any telephone, network, or USB cables from the computer

    3. Disconnect the computer and all attached devices from their electrical outlets

    4. Please remove the Base Cover, Battery and Micro SD Card

    SLN307449_en_US__1icon Note: Disconnecting the ribbon cable from the Battery is sufficient.

  2. Remove the two (2) screws that secure the SSD thermal bracket [1], then lift the bracket off of the SDD card [2 & 3].

SLN307449_en_US__97389_SSD_BK_01

  1. Slide the SSD card towards the front of the system and remove it from the system [4].

 

  1. Pre-Removal Instructions Before removing the micro SIM Card:

    1. During installation or removal of any hardware always ensure all data is backed up properly

    2. Disconnect any telephone, network, or USB cables from the computer

    3. Disconnect the computer and all attached devices from their electrical outlets

  2. Insert a straightened paperclip or micro SIM card removal tool into the pinhole on the micro SIM card tray.

  3. Use a plastic scribe to pull the micro SIM card tray out.

  4. If a micros SIM is installed you can pull it out of the micro SIM tray.

 

  1. Pre-Removal Instructions Before removing the WWAN Card (3G, Cellular):

    1. During installation or removal of any hardware always ensure all data is backed up properly

    2. Disconnect any telephone, network, or USB cables from the computer

    3. Disconnect the computer and all attached devices from their electrical outlets

    4. Please remove the Base Cover, Battery and Micro SD Card

    SLN307449_en_US__1icon Note: Disconnecting the ribbon cable from the Battery is sufficient.

  2. Remove the screw that secures the metal bracket to the WWAN card and remove the bracket.

  3. Disconnect the WWAN antenna cables from the connectors on the WWAN card.

  4. Lift the WWAN card out of the system.

 

  1. Pre-Removal Instructions Before removing the WLAN Card (WiFi, Wireless):

    1. During installation or removal of any hardware always ensure all data is backed up properly

    2. Disconnect any telephone, network, or USB cables from the computer

    3. Disconnect the computer and all attached devices from their electrical outlets

    4. Please remove the Base Cover, Battery and Micro SD Card

    SLN307449_en_US__1icon Note: Disconnecting the ribbon cable from the Battery is sufficient.

  2. Remove the screw that secures the metal bracket to the WLAN card [1] and remove it [2].

SLN307449_en_US__127389_Wifi_BK_01

  1. Disconnect the WLAN antenna cables from the connectors on the WLAN card [3].

  2. Left the card out of the system [4].

Resolution

If you require further assistance, contact technical Support.
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Article Properties

Affected Product

Latitude 7389 2-in-1

Last Published Date

02 Oct 2023

Version

5

Article Type

Solution

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