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Article Number: 000145068

Latitude 15 3550: Teardown removal guide for customer replaceable units (CRUs)

Summary: This article is a guide to the removal of those parts of the Latitude 15 3550 notebook system that Dell considers it safe for anyone to remove.

Article Content

Symptoms

Table of Contents:

  1. CRU Removal Guide
  2. Removal Instructions

 

1. Removal Guide

 

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 15 3550 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.

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.

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2. Removal Instructions

 

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

 

Recommended Tools

 

SLN294940_en_US__1ReqTools_E7450_BKeith_01

1 Small Phillip's head screwdriver 2 Plastic Scribe
3 Small Flat head screwdriver    

 

  1. Pre-Removal Instructions Before removing the Bottom 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. Establishing image.

SLN294940_en_US__2Door_14_3450_BK_01

  1. Undo the two (2) captive screws either side of the air vent on the back of the system.

SLN294940_en_US__3Door_14_3450_BK_02

  1. Using a blunt flat tipped object, push the tab upwards to lift up the bottom door and remove it from the system. (The tab is located at the side of the panel next to the air vent. Watch for the clips at the bottom of the panel.)

SLN294940_en_US__4Door_14_3450_BK_03

  1. Complete.

SLN294940_en_US__5Door_15_3550_BK_04

 

  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. Remove the Bottom Door

  2. Establishing image.

SLN294940_en_US__6Battery_15_3550_BK_01

  1. Remove the four (4) screws securing the battery in place.

SLN294940_en_US__7Battery_15_3550_BK_02

  1. Use the mylar tab to lift the battery up and out of the system.

SLN294940_en_US__8Battery_15_3550_BK_03

  1. Complete.

SLN294940_en_US__9Battery_15_3550_BK_04

 

  1. Pre-Removal Instructions Before removing the Keyboard :

    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. Remove the Bottom Door and Battery

  2. Establishing image.

SLN294940_en_US__10KYBD_14_3450_BK_01

  1. Using a blunt flat tipped object, release each of the five (5) latches securing the keyboard. (They are located above the Esc, F5, F10, Delete and the End keys.)

SLN294940_en_US__11KYBD_15_3550_BK_02

  1. Push the keyboard towards the LCD screen and flip the keyboard over towards the touchpad.

SLN294940_en_US__12KYBD_14_3450_BK_03

  1. Disconnect both the Keyboard backlight cable (1) and the keyboard cable (2).

SLN294940_en_US__13KYBD_14_3450_BK_04

Note: The backlight cable will only be there if your system was sold with a backlit capable keyboard.

  1. Complete.

SLN294940_en_US__14KYBD_15_3550_BK_05

 

  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. Remove the Bottom Door and Battery

  2. Establishing image.

SLN294940_en_US__15HDD_14_3450_BK_01

  1. Lift upwards on the mylar table to disconnect the Hard Disk Drive cable from the Motherboard.

SLN294940_en_US__16HDD_14_3450_BK_02

  1. Remove the four (4) screws securing the hard disk drive in place.

SLN294940_en_US__17HDD_14_3450_BK_03

  1. Pull the mylar table upwards to remove the drive assembly from the system.

SLN294940_en_US__18HDD_14_3450_BK_04

  1. Disconnect and remove the hard disk drive cable from the drive assembly.

SLN294940_en_US__19HDD_14_3450_BK_05

  1. Remove the four (4) screws securing the hard disk drive to the drive assembly.

SLN294940_en_US__20HDD_14_3450_BK_06

  1. Remove the drive assembly.

SLN294940_en_US__21HDD_14_3450_BK_07

  1. Complete.

SLN294940_en_US__22HDD_14_3450_BK_08

 

  1. Pre-Removal Instructions Before removing the SD 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. Establishing image.

SLN294940_en_US__23SD_14_3450_BK_01

  1. Push in gently on the card and grip it and pull it from the system when it protrudes from the slot.

SLN294940_en_US__24SD_14_3450_BK_02

  1. Complete.

SLN294940_en_US__25SD_14_3450_BK_03

 

  1. Pre-Removal Instructions Before removing the Memory :

    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. Remove the Bottom Door and Battery

  2. Establishing image.

SLN294940_en_US__26Memory_14_3450_BK_01

  1. Pull the metal securing clips away from the Memory DIMM.

SLN294940_en_US__27Memory_14_3450_BK_02

  1. The Memory pops up at an angle. Lift it out of the system.

SLN294940_en_US__28Memory_14_3450_BK_03

Note: Repeats steps 3 and 4 for any additional Memory DIMMs in the system.

  1. Complete.

SLN294940_en_US__29Memory_14_3450_BK_04

 

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

    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. Remove the Bottom Door and Battery

  2. Establishing image.

SLN294940_en_US__30WLAN_14_3450_BK_01

  1. Remove the single screw securing the WLAN bracket in place and lift away the bracket.

SLN294940_en_US__31WLAN_14_3450_BK_02

  1. Disconnect any antennae connected to the WLAN card.

SLN294940_en_US__32WLAN_14_3450_BK_03

  1. Lift up and remove the WLAN card from the system.

SLN294940_en_US__33WLAN_14_3450_BK_04

  1. Complete.

SLN294940_en_US__34WLAN_14_3450_BK_05


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If you require further assistance, please contact technical Support.
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Cause

 

Resolution

 

Article Properties

Affected Product

Latitude 3550

Last Published Date

07 Jul 2021

Version

5

Article Type

Solution

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