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Número del artículo: 000125738

Latitude 7390 2-in-1 Teardown removal guide for customer replaceable units (CRUs)

Resumen: This article is a guide to those parts of the Dell Latitude 7390 2-in-1 notebook that Dell believes anyone can remove and replace.

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Contenido del artículo

Síntomas

These guides will take you, step-by-step through the safe removal of the Customer Replaceable Unit (CRU) parts of a Latitude 7390 2-in-1 notebook system. (CRUs are the parts of the system that do not need an engineer to remove or replace.) The guides include pictures referencing what is 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 about safe practices you should consider before working with electrical equipment.


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Resolución

 

Removal Instructions

 

SLN308933_en_US__1icon Note: Click the title of the section you want to open below, in order to see the contents.
 
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SLN308933_en_US__2ReqTools_E7450_BKeith_01

1 Small Phillip's head screwdriver 2 Plastic Scribe
3 Small Flat head screwdriver    
 
SLN308933_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 are not available to our onsite engineers.

 

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

    1. During installation or removal of any hardware always ensures that 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 the system over on it is lid and loosen the eight (8) captive screws that secure the cover to the base.

SLN308933_en_US__47390_2-in-1_Cover_BK_01

  1. Using a plastic scribe pry up the cover at the rear edge of the system at the hinges. (The recesses are located near the hinges at the rear of the PC.)

SLN308933_en_US__57390_2-in-1_Cover_BK_02

  1. Lift the cover away from the base.

SLN308933_en_US__67390_2-in-1_Cover_BK_03

 

  1. Pre-Removal Instructions Before removing the SIM Card Tray (Subscriber Identity Module):

    1. During installation or removal of any hardware always ensures that 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 pin (or SIM Card removal tool) into the pinhole on the Micro SIM card tray.

  3. Use a plastic scribe to pull the micro SIM card from the system.

  4. Remove the Micro SIM card from the tray.

SLN308933_en_US__1icon Note: Micro SIM Card trays are only available in systems that ship with the WWAN card fitted.

 

  1. Pre-Removal Instructions Before removing the MicroSD Card:

    1. During installation or removal of any hardware always ensures that 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. Push the MicroSD card into the system to release it from its slot.

  3. Once the card pops further out of the slot, grip the card and pull it fully out of the slot.

 

  1. Pre-Removal Instructions Before removing the Battery:

    1. During installation or removal of any hardware always ensures that 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. Remove the SIM Card Tray, MicroSD Card, and Bottom Access Panel.

  2. With the system closed and sitting on its lid, disconnect the battery cable from the motherboard [1].

  3. Remove the four (4) securing screws from each corner of the battery [2].

SLN308933_en_US__87390_2-in-1_Battery_BK_01

  1. Lift the battery up and out of the system [3].

 

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

    1. During installation or removal of any hardware always ensures that 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. Remove the SIM Card Tray, MicroSD Card, Bottom Access Panel, and Battery.

  2. With the system on its lid, loosen the two (2) captive screws securing the thermal plate to the motherboard [1].

SLN308933_en_US__97390_2-in-1_SSD_BK_01

  1. Lift the thermal plate off the SSD card [2].

  2. Remove the drive from the system [3].

Dell Latitude 7390 2-in-1 Solid-State Drive Removal - Duration 0:48 - English Only

 

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

    1. During installation or removal of any hardware always ensures that 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. Remove the SIM Card Tray, MicroSD Card, Bottom Access Panel, and Battery.

  2. With the system on its lid, remove the single screw that secures the WLAN bracket to the motherboard [1]. It is located at the rear left-hand side corner of the base. (Below the WWAN card connector.) Remove the wireless card bracket [2].

SLN308933_en_US__107390_2-in-1_WLAN_BK_01

  1. Disconnect the antenna cables from the WLAN card [3]. (These connectors are press studs caps over studs on the card. A little pressure pops them off.)

  2. Lift the card out of the connector and out of the system [4].

 

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

    1. During installation or removal of any hardware always ensures that 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. Remove the SIM Card Tray, MicroSD Card, Bottom Access Panel, and Battery.

  2. With the system on its lid, remove the single screw that secures the WWAN bracket to the motherboard [1]. Located at the rear left-hand side corner of the base. (Above the WLAN card connector.) Remove the wireless card bracket [2].

SLN308933_en_US__117390_2-in-1_WWAN_BK_01

  1. Disconnect the antenna cables from the WWAN card [3]. (These connectors are press studs caps over studs on the card. A little pressure pops them off.)

  2. Lift the card out of the connector and out of the system [4].

 

If you require further assistance, contact Technical Support.

 

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Propiedades del artículo

Producto comprometido

Latitude 7390 2-in-1

Fecha de la última publicación

23 may. 2024

Versión

6

Tipo de artículo

Solution

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