How to Release a Molex 24-Pin Plug

Written by eric hammer
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How to Release a Molex 24-Pin Plug
Remove the Molex 24-pin plug before replacing your motherboard. (power supply cable image by Christopher Meder from

Removing the 24-pin Molex plug from your motherboard is a necessary step if you intend to either replace the motherboard in your computer or if you intend to replace the power supply. The 24-pin Molex plug is the version 2.x Molex plug and it adds an additional four pins above and beyond the standard 20 pins. The plug is designed to be a bit more difficult to get off than other plugs in order to make sure that you don't accidentally unplug it.

Skill level:

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  1. 1

    Touch the metal part of your computer case in order to ground yourself. This will prevent static electricity from damaging the sensitive components inside your computer.

  2. 2

    Locate the 24-pin plug. It will be the only one that is quite wide with two dozen thin wires sticking out of it. Typically, the plug itself is white in colour, though it is occasionally a different colour.

  3. 3

    Grasp the ends of the plug. There will be clips on either end. Squeeze them inward and then pull firmly straight up. There should be some resistance, but not too much.

Tips and warnings

  • If your 24-pin plug is an older model it may be separated into 20-pin and four-pin sections. This is perfectly normal. The 20-pin design was used in older 1.x versions of the ATX standard for motherboards. However, the method of unplugging the plug is the same. Simply grip both ends and squeeze the clips, then pull straight up. Just be sure to apply enough pressure to hold the two parts together until you have removed them.
  • Be sure to grip the plastic plug and not the wires going into the plug. Gripping the wires going into the plug may rip the wires out of the plug, rendering it useless.

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