OptiPlex 7450 AIO: Teardown removal guide for customer replaceable units (CRUs)

Before removing the stand, do the following:

1. 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.

Place the computer on a clean, flat surface with its screen facing down and press the tab on the rear of the stand. [1]

Swing the stand back and lift it up and away from the computer. [2]

Before removing the cable cover, do the following:

1. 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 Stand.

Undo the single screw that secures the cover to the computer. [1]

Push in on the tabs along the top edge of the cable cover and pull down towards the bottom of the computer. [2] Pull the cover up and away from the personal computer to fully remove it. [3]

Before removing the back cover, do the following:

1. 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 Stand, and Cable Cover.

Use a plastic scribe or similar tool to pry up the cover from above the cable cover slot.

Lift the back cover up and away from the computer.

Before removing the Hard Disk Drive (HDD), do the following:

1. 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 Stand, Cable Cover, and Back Cover.

Press down on the hard drive bracket tab and push the bracket towards the top of the computer until the bracket is loose from computer. [1]

Lift the bracket up and out of the system cage. [2]

Pry one of the edges of the bracket away from the hard drive. [1]

Slide the hard drive up and out of the bracket. [2]

Before removing the system board shield cover, do the following:

1. 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 Stand, Cable Cover, and Back Cover.

Press down on the securing tab in the middle of the computer. [1]

Pull the shield out towards the right-hand side of the computer to remove it from the securing slots. [2]

Before removing the memory, do the following:

1. 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 Stand, Cable Cover, Back Cover, and System Board Shield.

Pry the securing clips away from the middle of the module until it appears at an angle from the connector [1].

Pull and lift the module out and away from the connector. [2]

Before removing the Solid State Drive (SSD), do the following:

1. 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 Stand, Cable Cover, Back Cover, and System Board Shield.

Undo the single screw that secures the card to the computer. [1]

Lift the card up and away from the connector. [2]

Before removing the coin-cell battery, do the following:

1. 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 Stand, Cable Cover, Back Cover, and System Board Shield.

Press the battery-securing latch [1] and lift the battery out of the connector. [2]

Before removing the Optical Disk Drive (ODD, DVD, CD-ROM), do the following:

1. 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 Stand, Cable Cover, and Back Cover.

Press down on the securing tab to the right-hand side of the hard drive bracket. [1]

Slide the drive assembly out the left-hand side of the computer. [2]

Remove the two (2) screws that secure the optical drive bracket to the ODD. [1]

Remove the bracket from the drive and keep it secure; you must fit it to the replacement drive. [2]

Before removing the Wireless WiFi (WLAN) card, do the following:

1. 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 Stand, Cable Cover, Back Cover, and System Board Shield.

Disconnect the antenna cables from the card. These are press-stud connectors and can be popped off using a thumbnail or plastic scribe. [1]

Remove the single screw that secures the card to the personal computer. [2]

Lift the free end of the card up at an angle and lift it out of the connector on the computer. [3]