Introduction

This guide walks through a disassembly of the Dell Optiplex GX620.

This teardown is not a repair guide. To repair your Dell Optiplex GX620, use our service manual.

  1. Power down your PC and remove the power cord from the back.
    • Power down your PC and remove the power cord from the back.

  2. Press and hold the power button for about 10 seconds, then release.
    • Press and hold the power button for about 10 seconds, then release.

      • This helps drain any remaining power stored in the capacitors, so that you can safely work on the internal components.

    • With the computer standing upright, firmly pull on the tab at the back of the computer.

    • When the side panel pops free, gently pull the panel away from the computer.

    • If you have trouble freeing the side panel from the case, you may need to pull the tab a bit harder.

    • Put an anti­static wrist strap on your non­dominant wrist (if you are right handed, put it on your left wrist) and connect the metal clip to the metal edge on the inside of the computer case

    • Locate the power supply

    • Follow all of the cords leading away from the power supply and unplug all of the power connectors

    • Check that all power cords are free from any clips or brackets in the case

    • Unscrew the power supply from the outside rear of the case

    • Press the blue tab behind the power supply and remove the power supply from the case

    • Check the computer expansion slots

    • If there is a graphics card, remove the retaining hardware at the back of the case to show the edges of the expansion card slots on the case

    • Locate the small tab behind the card at the edge of the slot

    • Press and hold the tab away from the slot, and gently pull the card outwards from the slot

    • Remove the graphics card from the case and set safely aside

    • Replace the retaining hardware at the back of the case to hide the edges of the expansion card slots on the case

    • Locate any optical drives (CD or DVD drives)

    • Unplug the data cable connecting the optical drive to the motherboard at the drive (the cable should still be connected to the motherboard)

    • Slide the blue bracket the direction the arrow on the bracket shows to release the plastic on the front of the computer and carefully remove

    • Slide the blue bracket again and remove the optical drive from the computer case through the front

    • Disconnect the data cable from the motherboard that attached to the optical drive and place it with the optical drive

    • Locate any hard drives

    • Unplug the data cable connecting the hard drive to the motherboard at the drive (the cable should still be connected to the motherboard)

    • Remove the hard drive from the computer case

    • Disconnect the data cable from the motherboard that attached to the hard drive and place it with the hard drive

    • Take note of how many sticks of RAM are installed on the motherboard and in which RAM slots the stick(s) are installed

Ryan Fitzpatrick

Member since: 11/18/2016

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One Comment

If you need some photos I’ve got plenty. I have a Dell Optiplex GX620 mini tower.

Padraic Hoselton - Reply

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