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Precision 27 5720 AIO (All in One) Teardown removal guide for customer replaceable units (CRUs)

Summary: This article is a guide to removing those parts of the Precision 27" 5720 AIO system that Dell considers OK for anyone to remove and replace themselves.

This article applies to This article does not apply to This article is not tied to any specific product. Not all product versions are identified in this article.
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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 Precision 27 5720 AIO (All in One) 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.


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Removal Instructions

 

SLN307887_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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SLN307887_en_US__2ReqTools_E7450_BKeith_01

1 Small Phillip's head screwdriver 2 Plastic Scribe
3 Small Flat head screwdriver    
 
SLN307887_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 speciality tools, that aren't available to our onsite engineers.
 

 

  1. Pre-Removal Instructions Before removing the USB Dongle Cover:

    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 carefully onto its screen and press and pull the USB dongle-bay cover out from under the stand out of the computer.

SLN307887_en_US__45720_DongleCover_BK_01

 

  1. Pre-Removal Instructions Before removing the Rear Cover:

    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 USB Dongle-Bay Cover

  2. Loosen the two (2) captive screws under the stand that secures the cover to the frame [1], push the stand down [2] and the cover towards the top of the system [3] and lift the cover off the chassis.

SLN307887_en_US__55720_Cover_BK_01

 

  1. Pre-Removal Instructions Before removing the Motherboard Shield:

    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 USB Dongle-Bay Cover and Rear Cover

  2. Remove the three (3) screws that secures the motherboard shield to the frame [1]

SLN307887_en_US__65720_SystemShield_BK_01

  1. Lift the motherboard shield off the frame [2].

 

  1. Pre-Removal Instructions Before removing the Stand:

    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 USB Dongle-Bay Cover and Rear Cover

  2. Remove the six (6) screws that secure the stand to the frame [1] and lift the stand, off of the PC [2].

SLN307887_en_US__75720_Stand_BK_01

 

  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. Please remove the USB Dongle-Bay Cover and Rear Cover

  2. Using the tabs pry open the memory shield towards the top of the system [1].

SLN307887_en_US__85720_Memory_BK_01

  1. Pull the securing clips away from the memory [1] until it pops up at an angle [2] and then remove the memory from the slot [3].

SLN307887_en_US__95720_Memory_BK_02

SLN307887_en_US__1icon Note: Repeat Step 3 for any additional memory in the system.

 

  1. Pre-Removal Instructions Before removing the Memory Fan:

    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 USB Dongle-Bay Cover, Rear Cover and Motherboard Shield

  2. Remove the four (4) screws that secure the fan to the frame [1], lift the fan from the motherboard [2] and disconnect the fan cable [3].

SLN307887_en_US__115720_MemoryFan_BK_01

 

  1. Pre-Removal Instructions Before removing the Hard Disk Drive (HDD):

    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 USB Dongle-Bay Cover and Rear Cover

  2. Press down on the strap at the bottom of the drive [1] and push the drive up and lift it out of the PC [2].

SLN307887_en_US__125720_HDD_BK_01

  1. Pull apart the sides of the bracket to release the tabs from the slots on the drive [3] and slide the bracket off of the drive [4]

SLN307887_en_US__135720_HDD_BK_02

 

  1. Pre-Removal Instructions Before removing the M.2 PCIe 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 USB Dongle-Bay Cover, Rear Cover and Motherboard Shield

  2. Pull open the securing clip [1] that secures the SSD to the motherboard and slide the drive out of the slot [2].

SLN307887_en_US__145720_SSD_BK_01

 

  1. Pre-Removal Instructions Before removing the System Fan:

    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 USB Dongle-Bay Cover, Rear Cover, Stand and Motherboard Shield

  2. Remove the PSU cable from clips around the fan [1] and disconnect the power cable from where it connects to the motherboard [2].

SLN307887_en_US__155720_SystemFan_BK_01

  1. Disconnect the system fan cable from the motherboard [1], remove the four (4) screws securing the fan to the frame [2] and lift the fan and cable out of the PC [3].

SLN307887_en_US__155720_SystemFan_BK_01

 

  1. Pre-Removal Instructions Before removing the Power Supply Unit (PSU):

    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 USB Dongle-Bay Cover, Rear Cover and Stand

  2. Remove the PSU cable from clips around the fan [1] and disconnect the power cable from where it connects to the motherboard [2]. Press the securing clips on the connectors for the PSU indicator and system fan cable to release them from their connectors [3&4] and twist open the cable securing clip to free the cables [5].

SLN307887_en_US__175720_PSU_BK_01

  1. Remove the five (5) screws securing the PSU to the frame [6] and lift the PSU up and out of the PC [7].

SLN307887_en_US__185720_PSU_BK_02

 

  1. Pre-Removal Instructions Before removing the Wireless Network Cards:

    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 USB Dongle-Bay Cover, Rear Cover and Shield

  2. Remove the antenna cables from securing clip [1], remove the two (2) screws that secure the shield to the motherboard [2] and lift the wireless card shield off of the motherboard [3].

SLN307887_en_US__195720_WLAN_BK_01

  1. Remove the securing screw from the card bracket [4], lift the bracket off of the wireless card [5] and disconnect the antenna cables from the card [6] before lifting the card out of the card slot [7].

 

  1. Pre-Removal Instructions Before removing the Coin Cell 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 USB Dongle-Bay Cover and Rear Cover

  2. Press on the tab at the rear of the coin cell battery to release it and to have it pop up out of its slot on the motherboard.

SLN307887_en_US__205720_Coin_BK_01

If you require further assistance, please contact technical Support.
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Affected Products

Precision 5720 AIO
Article Properties
Article Number: 000144112
Article Type: Solution
Last Modified: 05 Dec 2020
Version:  3
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