OptiPlex 5090 Small Form Factor (SFF) Teardown removal guide for customer replaceable unit (CRUs)

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

   1. During installation or removals 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. Looking at the rear of your PC, locate the blue release slide on the left-hand side of the chassis. Press it to the right to unlock the top access panel.

3. Grip the tab at the back of the access panel and pull away from the front of the PC. Lift the access panel away when the securing lugs are released.

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

   1. During installation or removals 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. Please remove the System Cover.

2. Looking at the top edge of the front bezel, release the three (3) retention tabs securing the bezel to the chassis. Swing the bezel down where the hooks secure the bezel to the bottom edge.

3. Remove the bezel from the hinge slots.

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

   1. During installation or removals 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. Please remove the System Cover, and Front Bezel.

2. This system can fit one (1) 2½ or 3½ inch HDD in the front right-hand side corner of the system. Disconnect the power and data cables from the rear of the drive.

3. Press in on the blue tabs along the right-hand side of the bracket and tilt the bracket up.

4. Pop the two clips on the right-hand side of the blue bracket away from the drive, the drive then should pull loose of the other side.

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

   1. During installation or removals 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. Please remove the System Cover, Front Bezel, and the HDD Cage.

The M.2 2230 PCIe SSD:

2. You can find the slot for the M.2 under the drive cage in the front right-hand side corner of the system. Remove the single screw securing the card to the motherboard.

3. The end of the card lifts up, grip it and pull it out of the connector and the system.

The M.2 2280 PCIe SSD:

4. You can find the slot for the M.2 2280 between the expansion card slots and the front of the system. Unroute the SATA cable running over the card and removing two (2) screws, take off the bracket that sits over the SSD.

5. Remove the single screw securing the card to the motherboard. The end of the card lifts up, grip it and pull it out of the connector and the system.

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

   1. During installation or removals 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. Please remove the System Cover, Front Bezel, and the HDD Cage.

2. The optical disc drive is located on the bottom of the drive bay. Unroute the HDD power and data cables from the cage.

3. Slide the blue release at the left-hand side of the drive cage to the rear of the system to unlock it.

4. Lift the bay up and to the right side of the system. Remove the power and data cables from the Optical driver and lift the bracket away from the computer.

5. You can now press the blue release tab on the back of the drive, which releases the drive to slide out of the bracket.

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

   1. During installation or removals 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. Please remove the System Cover.

2. The fan is fitted at the rear right-hand side corner of the chassis. Disconnect the fan cable from the motherboard and loosed the four (4) captive screws securing the fan.

3. Lift the fan assembly out of the chassis.

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

   1. During installation or removals 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. Please remove the System Cover.

2. The expansion card slots are located beside the PSU at the rear of the system. Flip the metal securing tab towards the rear of the PC. Check if the card is locked into the slot on the motherboard, if so pull the release tab while pulling straight out with card.

3. It should pull straight out of the chassis. Unless you are fitting a new card, this leaves you with a gap in the back of your system that you need to fit a blank option slot cover to.

1. Pre-Removal Instructions Before removing the Memory:

   1. During installation or removals 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. Please remove the System Cover, Front Bezel, and the HDD Cage.

2. The memory slots are located under the drive cage. Press the securing clips on either side of the DIMM away from the DIMM to see it lift up out of the slot.

3. Pull the memory DIMM out of the slot and the chassis.

1. Pre-Removal Instructions Before removing the WLAN (WiFi, Wireless) Card:

   1. During installation or removals 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. Please remove the System Cover, Front Bezel, and the HDD Cage.

2. The Wireless card slot is located between the M.2 2230 SSD slot and the front of the chassis. Remove the single screw locking down the antenna bracket.

3. Disconnect the WiFi antenna cables from the card. (The connector is a press stud and should pop off the card when you apply a little pressure.)

5. Pull the card out of the slot and the system.

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

   1. During installation or removals 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. Please remove the System Cover, Front Bezel, and the HDD Cage.

2. The PSU is located along the right-hand edge of the system. Disconnect the power cables from the motherboard and the drives and unroute them from under the retention clip that sits over the 2280 SSD card.

3. Remove the three (3) screws securing the PSU to the rear of the chassis. Press the metal tab on the front of the PSU and pull the PSU towards the front of the chassis.

4. Lift the PSU out of the system.