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: CRU Removal GuideRemoval 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. Safety Precautions When Working with Electronic and Electrical Equipment Back to Top Removal Instructions Note: Click the title of the section that you want to open below in order to see the contents. Show all | Hide all Recommended Tools 1Small Phillips head screwdriver2Plastic scribe3Small 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. System Cover Removal Pre-removal instructions before removing the system cover: During installation or removal of any hardware, always ensure that all data is backed up properly. Disconnect any telephone, network, or USB cables from the computer. Disconnect the computer and all attached devices from their electrical outlets. Loosen the thumbscrew securing the cover on the back of the system. Pull the cover towards the front of the system and lift it off the computer. Hard Disk Drive Removal Pre-Removal Instructions Before removing the 2.5" Hard Disk Drive: During installation or removal of any hardware, always ensure that all data is backed up properly. Disconnect any telephone, network, or USB cables from the computer. Disconnect the computer and all attached devices from their electrical outlets. Remove the System Cover. 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]. Pull the assembly towards the front of the computer and lift it up and out of the computer [2]. Disengage the pins securing the hard drive to the assembly bracket and remove it from the bracket. Heat Sink Blower Removal Pre-removal instructions before removing the heat sink blower: During installation or removal of any hardware, always ensure that all data is backed up properly Disconnect any telephone, network, or USB cables from the computer Disconnect the computer and all attached devices from their electrical outlets Remove the System Cover 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]. Disconnect the fan and speaker cables from the motherboard to remove the blower from the system. M.2 SSD Removal Pre-removal instructions before removing the M.2 SSD card: During installation or removal of any hardware, always ensure that all data is backed up properly. Disconnect any telephone, network, or USB cables from the computer. Disconnect the computer and all attached devices from their electrical outlets. Remove the System Cover and Hard Drive Assembly. 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]. Lift the M.2 SSD card out of the computer. Memory Removal Pre-removal instructions before removing the memory: During installation or removal of any hardware, always ensure that all data is backed up properly. Disconnect any telephone, network, or USB cables from the computer. Disconnect the computer and all attached devices from their electrical outlets. Remove the System Cover and Heatsink Blower. The memory is located under the heat sink blower, pull the metal clips away from each side of the DIMM [1]. Pull the DIMM out of the slot [2]. Note: Repeat steps 2 and 3 for any additional memory DIMMs. Coin-Cell Battery Removal Pre-removal instructions before removing the coin-cell battery: During installation or removal of any hardware, always ensure that all data is backed up properly. Disconnect any telephone, network, or USB cables from the computer. Disconnect the computer and all attached devices from their electrical outlets. Remove the System Cover. 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]. Lift the battery out of the connector and the system [2]. Internal Speaker Removal Pre-removal instructions before removing the internal speaker: During installation or removal of any hardware, always ensure that all data is backed up properly. Disconnect any telephone, network, or USB cables from the computer. Disconnect the computer and all attached devices from their electrical outlets. Remove the System Cover and Heat Sink Blower. The speaker is attached to the corner of the heat sink blower. Disconnect the speaker cable from the retention clips on the blower [1]. Remove the two (2) screws securing the speaker assembly to the blower [2] and remove the speaker from the blower [3]. Wireless Card (WLAN) Removal Pre-removal instructions before removing the wireless card (WLAN): During installation or removal of any hardware, always ensure that all data is backed up properly. Disconnect any telephone, network, or USB cables from the computer. Disconnect the computer and all attached devices from their electrical outlets. Remove the System Cover and Hard Drive Assembly. Loosen the antenna screw to remove the antenna from the rear of the chassis. 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]. 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 UsOptiPlex 7070 Customer replaceable unit (CRU) teardown index

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