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Precision 5820 Tower Teardown removal guide for customer replaceable units (CRUs)

Resumen: This article is a removal guide to those parts of the Dell Precision 5820 Tower Workstation that Dell thinks anyone can remove and replace.

Este artículo se aplica a Este artículo no se aplica a Este artículo no está vinculado a ningún producto específico. No se identifican todas las versiones del producto en este artículo.
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Síntomas

These guides take you through the safe removal of what Dell considers the Customer Replaceable Unit (CRU) parts of a Precision 5820 Tower Workstation. (CRUs are the parts of the desktop that should not need an engineer to remove or replace.) The guides include pictures to reference what is involved.

Table of Contents:

  1. CRU Removal Guide
  2. Removal Instructions

Causa

Removal Guide

 

If these guides do not cover what you are looking to do, then you must reference your System Manual.

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


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Resolución

Removal Instructions

 

Note: In order to see the contents, click on the title of the section you want to open below.
 
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Required Tools

1 Small Phillip's 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. Tools that are not available to our onsite engineers.
 

 

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

    1. Ensure that all data is backed up properly during installation or removal of any hardware

    2. Disconnect any telephone, network, or USB cables from the computer

    3. Disconnect the computer and all attached devices from their electrical outlets (For example: The external mains power cable)

  2. With the desktop on its side, press down on the PSU release latch [1] and using the handle, pull the PSU out of the desktop [2].

5820 PSU

 

  1. Pre-Removal Instructions Before removing the Left Side Cover:

    1. Ensure that all data is backed up properly during installation or removal of any hardware

    2. Disconnect any telephone, network, or USB cables from the computer

    3. Disconnect the computer and all attached devices from their electrical outlets

Caution: The desktop does not power on while the side cover is off. If you remove the cover while the desktop is powered on, it shuts off.
 

  1. Press the Latch in the middle of the cover.

5820 Cover

  1. Pull the Latch up [1] and rotate it to release the side cover [2]. Lift the cover away from the desktop.

5820 Cover 02

 

 

  1. Pre-Removal Instructions Before removing the Front Bezel:

    1. Ensure that all data is backed up properly during installation or removal of any hardware

    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 Side Cover

  2. With the desktop on its side, pry up the four (4) retention tabs on the top of the bezel and rotate up from the bottom of the bezel to remove it from the chassis.

5820 Bezel

  1. Pre-Removal Instructions Before removing the Hard Drive Bezel:

    1. Ensure that all data is backed up properly during installation or removal of any hardware

    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 Side Cover and the Front Bezel

  2. With the desktop on its side, press the blue unlock button at the top of the chassis above the ODD bay [1] and slide the latch directly on the chassis that is directly above the bezel [2].

5820 Hard Drive Bezel

  1. Rotate the bezel up and out of its bay in the chassis [3].

 

  1. Pre-Removal Instructions Before removing the Expansion Cards:

    1. Ensure that all data is backed up properly during installation or removal of any hardware

    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 Side Cover

  2. Check for any additional cables from the card and disconnect them from the system. Press [1] and rotate the blue latches [2] to unlock the cards from the chassis expansion slots.

5820 Expansion

  1. Check for a locking lever at the back of the card, if there is one - unlock it before pulling the card up and out of the chassis [3].

Note: Some Expansion cards require extra power to run correctly. This is usually with an extra power or fan cable. Some types of graphics cards include a locking latch at the back of the card. This is where it secures to the slot in the motherboard.

 

  1. Pre-Removal Instructions Before removing the PCIe Holder:

    1. Ensure that all data is backed up properly during installation or removal of any hardware

    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 Side Cover and any Expansion Cards

Note: Before you start you must check if any full-length expansion cards are installed, if so you must remove these cards before you begin.
 

  1. Press the PCIe Holder release tab [1] and slide the holder up and out of the desktop [2].

5820 PCIe Holder

 

 

  1. Pre-Removal Instructions Before removing the Motherboard Air Shroud:

    1. Ensure that all data is backed up properly during installation or removal of any hardware

    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 Side Cover

  2. Press both securing tabs on the shroud in towards the middle of the shroud from front and back of the shroud.

5820 Shroud

  1. Lift the Air Shroud out of the desktop.

5820 Shroud 02

  1. Pre-Removal Instructions Before removing the Front desktop Fan:

    1. Ensure that all data is backed up properly during installation or removal of any hardware

    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 Side Cover, PCIe Holder, and Air Duct Shroud

  2. Unroute the SATA, ODD, [1] and USB 3.1 [2] cables from the Card Holder [3].

5820 Front Fan

  1. Disconnect the fan cable from the motherboard [1], remove the screw that secures the fan to the chassis [2] and lift the release tab to pull it up and out of its slot in the chassis [3].

5820 Front Fan 02

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

    1. Ensure that all data is backed up properly during installation or removal of any hardware

    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 Side Cover, Front Bezel, ODD, ODD 5.25" Bracket and Air Duct Shroud

  2. Press in the release tabs and disconnect the two (2) fan cables from the motherboard.

5820 Fan Bracket

  1. Remove the three (3) screws that secure the bracket to the chassis [1] and lift the bracket up and out of the desktop [2].

5820 Fan Bracket

 

  1. Pre-Removal Instructions Before removing the Memory:

    1. Ensure that all data is backed up properly during installation or removal of any hardware

    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 Side Cover and Air Shroud

  2. Pull the securing clips away from the memory.

Memory

  1. Lift the memory up and out of the slot.

Memory 02

Note: Repeat steps two and three for any additional memory in the desktop.

 

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

    1. Ensure that all data is backed up properly during installation or removal of any hardware

    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 Side Cover, Hard Drive Bezel

  2. Press the release button [1] on the right-hand side of the bracket to release the latch [2].

5820 Hard Drive Bracket

  1. Pull on the latch lever and slide the bracket out of the chassis.

5820 Hard Drive Bracket 02

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

    1. Ensure that all data is backed up properly during installation or removal of any hardware

    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 Side Cover, Hard Drive Bezel, and Hard Drive Bracket

  2. Pull one side of the bracket away from the drive to release the securing tabs on the drive.

5820 Hard Drive

  1. Lift the drive up and out of the bracket

5820 Hard Drive 02

 

  1. Pre-Removal Instructions Before removing the Slim line Optical Disc Drive (ODD):

    1. Ensure that all data is backed up properly during installation or removal of any hardware

    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 Side Cover

  2. Remove the screw [1] from the securing bracket at the rear of the slim ODD and push the drive towards the front of the computer [2].

5820 Slim ODD

  1. Pull the drive the remaining way out of the front of the chassis.

5820 Slim ODD 02

  1. Pre-Removal Instructions Before removing the 5.25" Optical Disc Drive (ODD):

    1. Ensure that all data is backed up properly during installation or removal of any hardware

    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 Side Cover and Front Bezel

  2. Remove the data and power cables from the back of the 5.24" ODD.

5820 ODD

  1. Push the ODD blue release latch down [1] and push the drive out the front of the desktop [2].

5820 ODD 02

  1. Pre-Removal Instructions Before removing the 5.25" Optical Disc Drive (ODD) Bracket:

    1. Ensure that all data is backed up properly during installation or removal of any hardware

    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 Side Cover, Front Bezel and 5.25" ODD

  2. Remove the five (5) screws that secure the bracket to the chassis [1 and 2].

5820 ODD Bracket

  1. Slide the ODD bracket towards the back of the desktop until it is possible to tilt it up and out of the computer.

5820 ODD Bracket 02

 

  1. Pre-Removal Instructions Before removing the Internal Speaker:

    1. Ensure that all data is backed up properly during installation or removal of any hardware

    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 Side Cover, Front Bezel and 5.25" ODD Bracket

  2. Disconnect one end of the speaker cable from the front I/O module [1].

5820 Speaker

  1. Press in and hold the tabs on the speaker [2] and then slide it out the front of the desktop [3].

 

  1. Pre-Removal Instructions Before removing the Coin Cell Battery:

    1. Ensure that all data is backed up properly during installation or removal of any hardware

    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 Side Cover, Air Duct Shroud, and any Expansion Slot Cards

  2. Press the release latch [1] away from the battery until the battery appears from the socket [2]. Lift the battery out of the desktop.

5820 Coin Cell Battery


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Información adicional


Video Resources 

We also have YouTube video content for the following part replacement processes to assist you:
 
ReadyDell Precision 5820 and 7820: Flex Bay Upgrade - Convert PCIE to LSI https://www.youtube.com/watch?v=BUEdpEhR4Us
Dell Precision 5820: VROC How to Upgrade https://youtu.be/s_Pn6zuYZZI
Dell Precision 5820 and 7820: Add 3.5"  Hard Drives to 5.25"  Bay https://www.youtube.com/watch?v=hq6pinQGDs0
Dell Precision 5820 and 7820: Add 2.5"  Hard Drives to 5.25"  Bay https://www.youtube.com/watch?v=WR7Ns3433KA
Dell Precision 5820 and 7820: Convert to Rack Mount https://youtu.be/uZPKAArt8N8
Dell Precision 5820 and 7820: Replace Motherboard https://youtu.be/Muhc16loZyo

Productos afectados

Precision 5820 Tower
Propiedades del artículo
Número del artículo: 000130043
Tipo de artículo: Solution
Última modificación: 17 may 2023
Versión:  5
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