Question about Dell OptiPlex GX620 PC Desktop

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How to open the case

How can I open the case of my Dell optiplex Gx620

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  • Anonymous Mar 23, 2014

    buzzing noise when boot up/start up/open icons/internet, ect


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Go to this link and choose your form factor to get the steps to open up the tower.

Please rate if the answers your question.

Posted on Feb 25, 2009

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The instructions for opening the case are in the Quick Reference Guide

Each case has a different latch scheme, so look through pages 21, 22, 23, and 24 to find your case.

Posted on Mar 05, 2013

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Posted on Jan 02, 2017

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What type of CMOS battery do I need for Optiplex GX620

It should be button type cell CR2032, common type used for PC motherboards.

Aug 21, 2014 | Dell OptiPlex GX620 PC Desktop

1 Answer

Power light orange

Open the box (unplugged) and take the memory out. Plug it back it, if you turn it on and there are no beeps, the motherboard has gone bad. Only fix is to replace the motherboard, or replace the whole computer. If it does beep, the memory is bad; replace the RAM (memory) While you have the computer open look at the little can like objects close to the back opening of the computer. If they have brown goo on top of them, or around them, or if the tops of some of them are dome shape, the motherboard is shot. This was a common problem with some of the OptiPlex units.

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Dell Optiplex GX620 Desktop PC's south bridge IC heats up abnormally...

Check the capacitors on the motherboard, Dell had a BIG problem with faulty capacitors on the GX270, GX520, GX620, GX745 and GX755 units. The parts would cause the unit to either not boot at all or lockup booting or running programs. I would bet you have some that are just beginning to fail and the motherboard power is not stable which would mean the chips are not getting enough power. Here is a link to an article about the issue and what to look for on your board.

I hope this helps you out, if so please rate my solution.


Jun 30, 2011 | Dell OptiPlex GX620 PC Desktop

1 Answer

Just looking for the motherboard manual and cd for a dell optiplex gx620. I'm learning about my computer.

You can download the manuals for your OptiPlex GX620 PC directly from the Dell website here:

Oct 17, 2010 | Dell OptiPlex GX620 PC Desktop

1 Answer

Windows 7 drivers for Optiplex GX620

for drivers u visit, register and then dowload required drivers for ur comp. i doubt ur computer is affected with virus. pls check it also

Jul 14, 2010 | Dell OptiPlex GX620 PC Desktop

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For this solution I would suggest contacting Dell, or checking Ebay. You may find an Optiplex GX620 on Ebay for parts, that you can buy for a song. (And sing it yourself)

Should a Front panel Cover not be available, (Or too pricey), you may want to look into buying a new computer case.
You can buy a decent, good looking, new computer case, for around $60 to $80
Then transfer your parts to it.
Here are examples,
You might also want to check Ebay for this too.

May 13, 2009 | Dell OptiPlex GX620 PC Desktop

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