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My Dell Optiplex GX520 desktop model powers up to load up screen finishes loading then screen goes black, any ideas ?

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May be a virus, you can try going into safe mode amd doing a system restore, just tap f8 key when you first it on and keep repeatedly tapping it until you get to a screen that has a list of commands then go to safe mode, and it should direct you to another screen with a bunch of info, and then it should ask you if you wanna do a system restore, and just select a month when your computer was doing fine. GOOD LUCK.

Posted on Nov 17, 2013


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Posted on Jan 02, 2017

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SOURCE: Dell optiplex won't Boot-up.. Orange light on motherboard

its going to rather your power supply or your motherboard has died, id try a different power supply first

Posted on Aug 11, 2008

  • 998 Answers

SOURCE: Dell OptiPlex GX520 PC Desktop Problem

An Amber blinking power button indicates a low or missing voltage problem. This can be caused by a defective power supply or a defective motherboard. Just to make sure that nothing else is causing the problem, remove any PCI cards like modem, video card, sound card, etc... Remove the memory modules and disconnect cables to CD/DVD drives. Look at the USB ports to see if any are damaged.

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Thank You.

Posted on Oct 20, 2008

  • 19396 Answers

SOURCE: Bios default password

The BIOS default password is just blank, and it is not asked.

When you set a bios password, you are asked to enter a value, therefore if bios is asking the password, the password had been changed.

To reset the bios password if you do not know the password you need to access to motherboard and temporarily remove battery for few seconds.
Removing battery will reset bios and delete the password.
Unplug power cord before accessing the motherboard, and try not touching the motherboard with your finger.
Put battery back in place before restarting computer.

See also the following websites:



Posted on Mar 04, 2009

raph quintos
  • 94 Answers

SOURCE: computer saying error loading operating system

You can configure your boot setup from your bios screen (for dell, either F11 or F12) then set up your optical drive as your 1st priority then, save settings. After that, you need to insert your windows XP cd in order for it to boot.

inform me of what happened after you have done this.

Posted on Mar 16, 2009

  • 219 Answers

SOURCE: Dell Optiplex GX520 PC won't boot - power light at

OK the first step is to remove the side of the case and check that all the leads are firmly inplace. - If this does not fix it post a comment.

Posted on Nov 02, 2009

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1 Answer

How to solve orange solid light on my dell GX520 when i boot it

Nana, A solid amber power button on your GX520, indicates a motherboard failure. The motherboard will need replaced. Check the attached links,instruction and guides, Good luck
"I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info."
Solid orange power button on Optiplex GX520
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Aug 05, 2016 | Dell Computers & Internet

1 Answer

I have tried everything I know but my optiplex gx620 boots with a black screen only nothing else

If your screen has nothing but black when you power it up IT IS NOT BOOTING UP. rephrase your question

Oct 18, 2013 | Dell OptiPlex GX520 PC Desktop

1 Answer

There's power on my pc but the screen is blank

try to put it in the photo or video mood if it sounds that means you just need to replace the screen

Feb 27, 2013 | Dell Optiplex GX520 (DEGX520SDT2.85124) PC...

2 Answers

No audio driver for dell optiplex gx 520. how to download?

Hello there.

Click here to download and install audio drivers for your Dell OptiPlex GX520.

When the page loads select your Operating System.

Then lower down click the heading Audio.

Now click the download button.
Install the drivers by double clicking the downloaded file.
You may also want to install the other drivers that are available for your computer, like chipset, LAN and VGA drivers.

Take care!

Aug 20, 2011 | Dell OptiPlex GX520 PC Desktop

1 Answer

No sound on the optpex gx520 pc

right click on my computer then properties select device manager and look if you see a yellow on audio device right click on it then update driver through the internet, or you can right click on it then click uninstalled it then reboot the pc, if the found new hardware appear update it trough the internet,then wait till finish loading,

Aug 03, 2011 | Dell OptiPlex GX520 PC Desktop

1 Answer

I had to replace the HD. Loaded XP Pro. All is fine except there are no audio drivers loaded. Where can I find the drivers? Thanks.

Go to Dell Website and click on support, enter model number and click on updates, look for audio
and install

Nov 18, 2010 | Dell OptiPlex GX520 PC Desktop

1 Answer

I have a dell optiplex GX520 the computer comes on and shuts off in about ten seconds. Changed the power supply and checked all connections. Any Idea?

Try to make reset in your dell mother board.once you reset your problem will be solved,but afterworlds you need to run it in normal mode.

Sep 21, 2010 | Dell OptiPlex GX520 PC Desktop

1 Answer

My dell optiplex gx520 sounds like it continues to startup for 20+ minutes. Windows load but I cannot do anything.

possibly your windows has become corrupted..try reinstalling it..if your dell came with pre-installed software,then you could use the OS reinstallation cd..note that you may loose all your data since reinstallation will include formating and deleting all your previous data

Jun 04, 2010 | Dell OptiPlex GX520 PC Desktop

2 Answers

I have no sound after loading a fresh xp on my gx520

You need to re-install your audio driver.
It can be downloaded from here

Just go to the Audio section and download the driver and run the setup.

Hope this helps
if theres any problems do not hesitate to ask.

Jan 19, 2010 | Dell OptiPlex GX520 PC Desktop

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