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How to remove the case from my Dell Dimension

I have a Dell Dimension 2400 but it does not have any buttons on the casing it has screws that look oval in shape and very small. I can't seem to find the right type of screw driver to remove it. I purchased a pc tech took kit but nothing is working

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There is a lever on the back side on the right[if looking from the back]

it is dark gray and looks like a backwards L shaped lever that you need to push down, then pull back on the side case door

Posted on Sep 11, 2009

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Go to Dell Support at

where you can see the answer

Posted on Sep 11, 2009


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How do I remove and replace a CPU cooling fan on my Dell Dimension 2400

Make sure u can open the casing well to expose the interior parts without causing any damage. Then by close look at the processor area , that is where the heat sink is located. Normally the dell dimension 2400 has a green channel shaped structure that acts as a passage for the air that enters in and out for cooling the heat sink. It has a locking parts that slides into the casing back by slight pressing to the back of the casing just behind the processor area, be so observant to notice the locking parts. then the fan is just fixed behind that green " channel like" and its fixed on the rear side of the casing, 25275582-o0cuhlgwrl13okm3u3q5444d-5-0.jpg

Nov 08, 2014 | Dell Dimension 2400 PC Desktop

1 Answer

I just got an optic drive for dell dimension 2400 how do i install it?

The dell cases open with either a button on top or bottm and pull the case open or an L shaped clip you press down and that side of case slides backwards towards you and clips off. Inside the case you will see clips to take the front cover off to take the cd drive out (you can remove either but i suggest you keep one that is a burner) unscrew the drive so it can slide out and slide the new drive in and screw into place, attach the cable exactly the same as the way the cables are attached on the old drive. You will need to make sure you also change jumper settings on the cd drive you are putting in so it is the same as the old one you took out. It is a bit fiddly to do if you are unsure then ask a friend most teenagers are well savvy at taking cases apart and putting drives in now its an easy job.

Feb 13, 2012 | Dell Dimension 2400 PC Desktop

1 Answer

1) How to you open the cpu case to get to the fan, etc. 2) My fan has started making noises......can it be cleaned - or is it likely to need replacement?

Things You'll Need:
  • phillips Screwdriver
  1. Shut down your Dell desktop computer.

  2. Remove all of the power and peripheral cables from your computer. There should be no cables connected to your computer when you attempt to remove the cover and open the case.

  3. Watch for the green "Power" indicator light to dim. This light is on the back of the case near where the power cable plugs in. Your computer will hold onto an excess amount of energy for a few seconds after it is unplugged. You don't want to open your Dell computer case while this light is still lit.

  4. Use a screwdriver to remove the screws holding the side of your Dell desktop computer's case. Set the screws aside.

  5. Use your hands to pull up on the side of the case, separating it from the base of the computer. This will allow you to access the inside of your Dell desktop computer.

Jan 23, 2011 | Dell Dimension 2400 PC Desktop

1 Answer

How do I open a Dell Dimension B110 Case?

If you look on the top near the back there is a black oval looking have to press that down...ALSO you have to press the same button on the bottom of the machine. It opens like a wallet but you have to press those oval buttons to release the latch.

Aug 19, 2010 | Dell Dimension™ B110 PC Desktop

1 Answer

My disk drive will not open dell Dimension 2400

It may have become disconnected from motherboard or power supply, but that is unlikely if the case has not been opened. It probably is either jammed, or the motor in it has gone out. If this is the case, you can find a fairly cheap replacement online. If you have a disc in the drive that you need to get out, you can use an unfolded paper clip, push it into the tiny hole on the front of the drive until the drive pops open. Manually pull the disc tray out and remove your disc. If it feels like it is off track, and you are up to the task, you can remove the drive, unscrew four screws and take the drive case off, and re-align the drive tray and this may fix your problem.

Jul 21, 2010 | Dell Dimension 2400 PC Desktop

1 Answer

Remove Dell Dimension 2400 Cover - I have been to the Dell site and read the documentation. But opening the cover seems to require two people - or three hands! Are there any tricks of the trade? Thanks!

This is a rather simple case face to remove.

Remove the side cover and place the unit on its side. hold the bottom of the face with 1 hand and pull gently while popping the 4 clips inside the case on the bottom end.

After you have done this there should be 1 on the side you can pop then there is a metal flexible peice at the top, pressing that down will relieve the top clip.

Place the case upright while holding the face out, after this the case will pop off to the opposite side of the case that the case opening is on.

Feb 11, 2010 | Dell Dimension 2400 PC Desktop

1 Answer

Removing sides on a Dell Dimension 2400 tower

Lay the case on its side and depress the "buttons", there are is one on either end. The case opens like a **** shell, if you start to open it and it feels very heavy on the top, stop and turn it over so the motherboard is toward the floor, that will make it easier on you.

Sep 08, 2009 | Dell Dimension 8300 PC Desktop

1 Answer

How to install a dvd and cd player in a Dimension 2400

I actually had this case.

When you want to install a DVD and a CD player into a Dimension 2400, you will need to do two things.

1. On the DVD and CD player you will need to install a screw that has an insert on the end of it so it will not go in all the way. You will need to search for those screws from a hardware store. If you can't, just contact dell and they can send you out those screws.

The two screws closest to the front of the case receive them. The other one that you can access closest to the power supply receives just the ordinary screw that you use to secure a hard drive.

2. Once you have done this, just set the master and slave on the appropriate drives and connect them with a ribbon cable on the secondary IDE controller.

Just make sure to have at least a 350 Watt Power supply. A 300 Watt one will work, but it won't give you much room for expansion.

Aug 06, 2009 | Dell Dimension 2400 PC Desktop

1 Answer

Inside of PC is extremly dirty!

There should be a gray button type thing on the top of the back end of the case and the bottom. You will need to push both in at the same time to get the case open. Push both in and slide the case apart. I found that having somone pull the case apart while i push on the buttons is easier.
Let me know if how it goes.

Dec 13, 2008 | Dell Dimension 2400 PC Desktop

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