Question about Dell OptiPlex GX620 PC Desktop

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On my dell optiplex gx620 all of the usbs front and back dont work after the windows loading screen but power is working, usb light works. i dont no what to do i have enabled them in bios and default settings and reinstalled windows

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My dell optiplex gx620 is coming on but its not passing the bios revision or the boot up page i have tried every thing removing the small battery in the mother board unplugging the hard drive, i even busted the whole system and it still not coming on. i have triied sending it into safe mode and the 1234 light are comming on i have runed out of option and i dont know what to do.this all started 3 days when i turned off the computer tried to put it on but after it came on pass the boot up page the screen was blank

Posted on Feb 18, 2011

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Dell optiplex GX620 doesnt start


1-3-1 through 2-4-4
Memory not being properly identified or used


http://support.dell.com/support/edocs/systems/opgx620/en/ug/tools00.htm#wp1120374

Feb 12, 2013 | Dell OptiPlex GX620 PC Desktop

1 Answer

Where can I get a replacement for my 2 front usb ports on my optiplex 760..they are not working??


I've never seen 2 front USB ports that were bad. I've seen 1 that was defective because the USB device that was plugged into it was broken off. However in that case it caused the power supply to short out and prevent the computer from powering on. Here is a link to your model:
ftp://ftp.dell.com/Manuals/all-products/esuprt_desktop/esuprt_optiplex_desktop/optiplex-760_Service%20Manual_en-us.pdf
If the USB ports on the back of your computer work then the front ones should too unless there is a connector dislodged to motherboard. All USB ports use the same circuit.

Jan 29, 2013 | Dell OptiPlex 760 MT Desktop Computer

2 Answers

THE LIGHT TURN ON BUT DOSNT DO ANYTHING YOU CANT SEE ANYTHING ON THE SCREEN


do the following 1.check if the monitor power cable is fixed good.
2.try to connect your cpu to another monitor and see if its working.(if it works no prb with the video card else prb with the video card)
3.if your video card is good .then there must be a prb with your monitor a little soldering will fix it !!!

Jun 14, 2011 | Dell OptiPlex GX620 PC Desktop

4 Answers

Optiplex GX620 will not power on. External power supply is OK.


I'm afraid that the power unit inside the computer appears to be faulty. It may be just a fuse or something but you will need to get it looked at by a qualified Computer technician.

Sorry

a

Aug 09, 2010 | Dell OptiPlex GX620 PC Desktop

1 Answer

Hi MY Dell OptiPlex GX620 have a hardware


try the bios settings is your monitor in a grafics card slot
also see if plug and play is enabled only use a keybard and mouse with a ps2 conection not usb

Nov 24, 2009 | Dell OptiPlex GX620n PC Desktop

1 Answer

My usb ports aren't working at all


try reinstalling the chipset drivers from

http://support.dell.com/support/downloads/driverslist.aspx?os=WW1&osl=EN&catid=27&impid=-1&servicetag=&SystemID=PLX_GX620&hidos=WW1&hidlang=en

Select the Operating system
The Category as Chipset
Importance should be All
Click on the Intel driver
Download now
File name is R132539.EXE

If this does not work you will be having 2 usb at the back and in the front of the system.IF the back does not work than you need to get a local tech out at your place as it is a problem with the USB controller on the motherboard and that might have to be replced .If it is the front USB (Only if you have them) then there is a cable coming from the USB controller to the fromnt usb ports that cable might have got unplugged for that you need to open the tower.But i would still recommend a local tech.

May 26, 2008 | Dell OptiPlex GX620 PC Desktop

1 Answer

Ubs plug in


Looking at the picture of your computer, I dont see any colored usb sockets. If it indeed the usb port you want to use,anyone will do.

Dec 19, 2007 | Dell OptiPlex GX620 PC Desktop

3 Answers

Powerbutton flashing yellow


If the main power button LED is flashing or solid yellow, this could indicate a hardware problem.

 

Was it running good before?

 

Are the diagnostic LED lights all green?

 

Here is what dell says:

 

If the power light is blinking amber  —

 The computer is receiving electrical power, but an internal power problem might exist.

  • Ensure that the voltage selection switch is set to match the AC power at your location (if applicable).
  • Ensure that the processor power cable is securely connected to the system board.

Do you remember what the BSOD said?

Oct 22, 2007 | Dell OptiPlex GX620 PC Desktop

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