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OptiPlex 7070 Micro Form Factor (MFF) Teardown Removal Guide for Customer Replaceable Units (CRUs)

Summary: This article is a guide to removing the parts of the Dell Micro Form Factor OptiPlex 7070 desktop system that Dell considers it easy enough for anyone to do.

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 take you step by step through the safe removal of the customer replaceable unit (CRU) parts of a OptiPlex 7070 Micro Form Factor (MFF) system. CRUs are the parts of the system that should not need an engineer to remove or replace. The guides also include figures to reference what is involved.

Cause

Not applicable

Resolution

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 reference your System Manual.

The article below provides information about safe practices to consider before working with electrical equipment.


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Removal Instructions

 

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

 

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Recommended tools

 

1 Small Phillips head screwdriver 2 Plastic scribe
3 Small flat head screwdriver    
 
Note: 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 system cover:

    1. During installation or removal of any hardware, always ensure 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. Loosen the thumbscrew securing the cover on the back of the system.

Loosening the system cover thumbscrew

  1. Pull the cover towards the front of the system and lift it off the computer.

 

  1. Pre-Removal Instructions Before removing the 2.5" Hard Disk Drive:

    1. During installation or removal of any hardware, always ensure 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 System Cover.

  2. The 2.5" hard drive assembly is on the left front corner of the system. Press the blue tabs at the back of the assembly together [1].

Removing the hard drive

  1. Pull the assembly towards the front of the computer and lift it up and out of the computer [2].

  2. Disengage the pins securing the hard drive to the assembly bracket and remove it from the bracket.

 

  1. Pre-removal instructions before removing the heat sink blower:

    1. During installation or removal of any hardware, always ensure 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 System Cover

  2. The heat sink blower is on the right side of the system. Press the blue tabs on either side of the assembly together and slide and rotate the assembly over the right side of the chassis [2].

Rotating the heat sink blower assembly

  1. Disconnect the fan and speaker cables from the motherboard to remove the blower from the system.

Removing the heat sink blower

 

  1. Pre-removal instructions before removing the M.2 SSD card:

    1. During installation or removal of any hardware, always ensure 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 System Cover and Hard Drive Assembly.

  2. The M.2 SSD Card is located under the hard drive assembly. Remove the screw holding the M.2 card down to the motherboard [1] and pull out the card from the connector [2].

Removing the M.2 SSD card

  1. Lift the M.2 SSD card out of the computer.

 

  1. Pre-removal instructions before removing the memory:

    1. During installation or removal of any hardware, always ensure 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 System Cover and Heatsink Blower.

  2. The memory is located under the heat sink blower, pull the metal clips away from each side of the DIMM [1].

Removing the memory DIMM

  1. Pull the DIMM out of the slot [2].

Note: Repeat steps 2 and 3 for any additional memory DIMMs.

 

  1. Pre-removal instructions before removing the coin-cell battery:

    1. During installation or removal of any hardware, always ensure 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 System Cover.

  2. The coin-cell battery is behind the hard drive assembly. Using a plastic scribe, press down on the release latch until the battery pops up [1].

Removing the coin-cell battery

  1. Lift the battery out of the connector and the system [2].

 

  1. Pre-removal instructions before removing the internal speaker:

    1. During installation or removal of any hardware, always ensure 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 System Cover and Heat Sink Blower.

  2. The speaker is attached to the corner of the heat sink blower. Disconnect the speaker cable from the retention clips on the blower [1].

Removing the internal speaker

  1. Remove the two (2) screws securing the speaker assembly to the blower [2] and remove the speaker from the blower [3].

 

  1. Pre-removal instructions before removing the wireless card (WLAN):

    1. During installation or removal of any hardware, always ensure 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 System Cover and Hard Drive Assembly.

  2. Loosen the antenna screw to remove the antenna from the rear of the chassis.

Loosening the antenna screw

  1. The WLAN card is between the M.2 SSD card and the heat sink blower. Remove the screw that secures the plastic tab to the card [1] and remove the tab [2].

Removing the WLAN card

  1. Disconnect the antenna cables from the card [3] (these are pop stud connectors and come off with a little pressure). Pull the card out of the connector [4] and lift it out of the computer.

If you require further assistance, contact Technical Support.
Contact Us OptiPlex 7070 Customer replaceable unit (CRU) teardown index
 

Affected Products

OptiPlex 7070 Micro
Article Properties
Article Number: 000146484
Article Type: Solution
Last Modified: 01 Jul 2023
Version:  7
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