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OptiPlex 7460 (AIO) Teardown removal guide for customer replaceable units (CRUs)

Summary: This article is a guide to those parts of the Dell OptiPlex 7460 AIO (all in one) Desktop system that Dell considers is safe for anyone to remove and replace.

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 an OptiPlex 7460 (AIO) 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

Cause

 

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 practices to take into consideration before working with electrical equipment.


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Resolution

 

Removal Instructions

 

SLN309976_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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SLN309976_en_US__2ReqTools_E7450_BKeith_01

1 Small Phillip's head screwdriver 2 Plastic Scribe
3 Small Flat head screwdriver    
 
SLN309976_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.

 

Basic Stand

SLN309976_en_US__47460_Stand_BK_01

  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

  2. To remove the stand with the system lying on it's screen. Press down and slide forward the release tab on the cover [1].

  3. Keep the release tab in the forward position while lifting the stand upwards [2].

  4. Pull the slide downwards to lift the stand off of the back cover [3].

 

Height Adjustable Stand

  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

  2. To remove the stand with the system lying on it's screen.

  3. Disconnect the optical drive cable from the USB slot on the back cover.

    SLN309976_en_US__5I_Desktop_Optiplex_7460_AIO_Removing_USB_Cable_BD_V1

  4. Slide the release tab forward to release the height adjustable stand from the back cover [1].

  5. Hold the tab in the release position and lift the height adjustable stand upward [2].

    SLN309976_en_US__6I_Desktop_Optiplex_7460_AIO_Removing_Height_Adjustable _Stand_BD_V1

  6. Slide and lift the height adjustable stand off the back cover [3].

 

  1. Pre-Removal Instructions before removing the Cable Cover (Optional):

    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 Stand

  2. Remove the single screw securing the left hand side of the cover to the system [1].

SLN309976_en_US__77460_CableCover_BK_01

  1. Lift the cable cover off the back cover [2].

 

  1. Pre-Removal Instructions before removing the Back 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 Stand and Cable Cover

  2. Press and hold down the release tab, to release it from the latch on the system board shield and push the cover towards the top of the system [1].

SLN309976_en_US__87460_BackCover_BK_01

  1. Lift the back cover up and away from the system [2].

 

  1. Pre-Removal Instructions before removing the Base 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 Stand, Back Cover, Cable Cover (Optional) and System Board Shield

  2. Remove the four (4) screws that secure the base cover to the system.

SLN309976_en_US__97460_BaseCover_BK_01

  1. Pry from the top edge of the cover and lift off the system.

SLN309976_en_US__107460_BaseCover_BK_02

 

  1. Pre-Removal Instructions before removing the System Board 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 Stand and Back Cover

  2. Remove the five (5) screws that secure the shield to the system [1].

SLN309976_en_US__117460_SBShield_BK_01

  1. Lift the shield up and away from the system [2].

 

  1. Pre-Removal Instructions before removing the Memory 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 Stand and Back Cover

  2. To locate the memory module, pry up on the memory door on the system board shield [1].

  3. Pull the retention clips on either side of the memory away from each other until the memory pops up at an angle [2].

SLN309976_en_US__127460_Memory_BK_01

  1. Pull the memory out of the slot [3].

SLN309976_en_US__1icon Note: Please repeat steps 3 and 4 for any additional memory installed in the system.

 

  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 Stand and Back Cover

  2. Press down on the release tab securing the hard disk drive assembly to the system board shield [1].

SLN309976_en_US__147460_HDD_BK_01

  1. Slide the assembly away from the shield until you can lift it out of the system [2].

  2. Pry the tabs away from the slots on the hard disk drive [1].

SLN309976_en_US__157460_HDD_BK_02

  1. Lift the hard disk drive up and away from the bracket [2].

 

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

    4. Please remove the Stand, Back Cover and System Board Shield

  2. remove the single screw securing one end of the solid state drive card to the motherboard [1].

  3. Pull the solid state drive card out of the slot and away from the system [2].

SLN309976_en_US__167460_SSD_BK_01

  1. Remove the thermal pad [3]. (Be careful removing the thermal pad, you will need this for the replacement part.)

SLN309976_en_US__1icon Note: M.2 PCIe SSD's with capacities over 512G (512G/1TB/2TB) must be installed with a thermal pad. M.2 SATA SSD's and M.2 PCIe SSD's with 128G and 256G do not require a thermal pad.

 

  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 Stand, Back Cover and System Board Shield

  2. Disconnect the system fan cable from the socket on the motherboard [1].

  3. Remove the three (3) screws securing the fan to the system [2].

SLN309976_en_US__187460_SystemFan_BK_01

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

 

  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 Stand, Back Cover and System Board Shield

  2. Press the tab at the back of the coin cell battery socket until the battery pops up [1].

SLN309976_en_US__197460_CoinCell_BK_01

  1. Lift the battery up and out of the socket [2].

 

  1. Pre-Removal Instructions before removing the WLAN 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

    4. Please remove the Stand, Back Cover and System Board Shield

  2. To remove the WLAN card shield unroute the antenna cabling from the shield [1] and remove the two (2) screws securing the shield to the motherboard [2].

SLN309976_en_US__207460_WLAN_BK_01

  1. Remove the shield from the motherboard [3].

  2. Remove the single screw that holds the end of the WLAN bracket and card to the motherboard [1] and slide and lift the bracket off of the card [2].

SLN309976_en_US__217460_WLAN_BK_02

  1. disconnect the antenna cables from the WLAN card [1]. (These are pop stud connectors) Pull the WLAN card out of the slot and away from the system [4].

 

  1. Pre-Removal Instructions before removing the Power Supply (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 Stand, Back Cover, Base Cover and System Board Shield

  2. Remove the single screw securing the PSU socket to the I/O bracket [1] and slide the socket towards the bottom of the system to remove it from the system [2].

  3. Unroute the psu cables from the routing clips on the system [3] and disconnect the power cable from the motherboard [4].

SLN309976_en_US__227460_PSU_BK_01

  1. Remove the single screw that secures the PSU to the system [1].

  2. Slide the psu towards the top of the system and lift it up and out of the system [2].

SLN309976_en_US__237460_PSU_BK_02

 

  1. Pre-Removal Instructions before removing the Power Supply 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 Stand, Back Cover, Base Cover and System Board Shield

  2. Unroute the PSU power cables from the routing clips on the PSU fan.

  3. Disconnect the PSU fan cable from the motherboard [1].

SLN309976_en_US__247460_PSUFan_BK_01

  1. Remove the two (2) screws that secures the fan to the system [2].

  2. Lift the PSU fan up and out of the system [3].

Additional Information

 

If you require further assistance, please contact Technical Support

 

  Contact Us  

Affected Products

OptiPlex 7460 All-In-One
Article Properties
Article Number: 000132840
Article Type: Solution
Last Modified: 28 Sept 2023
Version:  5
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