Knowledge Base

This article provides information on removing components from a OptiPlex 990 Mini Tower

Table of Contents:

1. System Cover Removal
2. Front Bezel Removal
3. Expansion Card Removal
4. Optical Drive Removal
5. Hard Drive Removal

System Cover Removal

1. Pre-Removal Instructions Before removing the First Removal:

• During installation or removal of any hardware always ensure 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
  

2. Establishing image.



3. Locate the cover latch at the side of the chassis. Pull the cover latch upward.



4. Pull the cover upward to a 45 degree angle and remove it from the system.



5. Complete.




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Front Bezel Removal

1. Pre-Removal Instructions Before removing the Second Removal:

• During installation or removal of any hardware always ensure 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

2. Establishing image.



3. Gently pry the four front bezel retention clips away from the chassis located at the side edge of front bezel.



4. Rotate the bezel away from the computer to release the hooks on the opposite edge of the bezel from the chassis.



5. Complete.




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Expansion Card Removal

1. Pre-Removal Instructions Before removing the Third Removal:

• During installation or removal of any hardware always ensure 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

2. Establishing image.



3. Push the release tab on the card-retention latch outward.



4. Gently pull the release lever away from the PCIe x16 card until you release the securing tab from the dent in the card, and then ease the card up and out of its connector and remove it from the system.



5. Lift the PCIe x1 expansion card up and out of its connector and remove it from the system.

6. Lift the PCI expansion card up and out of its connector and remove it from the system.

7. Lift the PCI x4 expansion card up and out of its connector and remove it from the system.

8. Complete.



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Optical Drive Removal

1. Pre-Removal Instructions Before removing the Fourth Removal:

• During installation or removal of any hardware always ensure 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 front bezel

2. Establishing image.



3. Remove the data cable(1) and power cable(2) from the back of the optical drive.



4. Slide the optical drive latch and then push the optical drive from the back toward the front of the system.



5. Remove the data cable(1) and power cable(2) from the back of the optical drive.



6. Slide the optical drive latch and then push the optical drive from the back toward the front of the system.

7. Complete.

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Hard Drive Removal

1. Pre-Removal Instructions Before removing the Fifth Removal

• During installation or removal of any hardware always ensure 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

2. Establishing image.



3. Remove the data cable(1) and power cable(2) from the back of the hard drive.



4. Press both blue securing bracket tabs inward and lift the hard drive bracket out of the bay.



5. Flex the hard drive bracket then remove the hard drive from the bracket.

6. Disconnect the data cable(1) and power cable(2) from the back of the hard drive (if there is 2nd HDD).

7. Press both blue securing bracket tabs inward and lift the hard drive bracket out of the bay.

8. Flex the hard drive bracket then remove the hard drive from the bracket.

9. Complete.

Return to the Optiplex 990 Teardown/Removal Index.


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