Question about Dell OptiPlex GX520 PC Desktop

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Dell optiplex Does notb Run. Switch Button is blinking. Powerb Supply is ok. Ram ok. I use Another good power supply but same problem Power Button blinking. Whats the solution.

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  • 181 Answers

The next thing to check is your Motherboard. Remove all devices (hard disk, cards, memory, etc) just the motherboard connected to the power supply, just to see if the motherboard is working right. Your should be hearing a beep sound indicating that the board is alive. If yes, you may reinstall the rest of the devices you removed.If no, replace motherboard or processor.

Posted on Sep 13, 2010

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Posted on Jan 02, 2017

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Have a Dell Optiplex 740 desktop. Power button is lit solid orange. No diagnostic lights on. Fans still blowing. Replaced power supply unit still nothing. HELP!!!!!


before replacing main board,try replacing individual hardwares like ram,processor and if still not working,try resetting the bios by alternating the jumper on the labelled CLR CMOS

good luck

Mar 28, 2013 | Dell OptiPlex 740 PC Desktop

1 Answer

My dell optiplex light is solid yellow


That usually means the switch on the power supply has been moved to 220v vs 110v. The switch is located just above where the power cord plugs in.

Aug 31, 2012 | Dell OptiPlex GX620 PC Desktop

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Power led blinking


1) the function can be the power supply box ffaulty, see if the fan are RUN, and test the power supply for +5VDC, otherwise is faulty the p.supply box
2) However you must RUN the software from DELL coming with the computer, or contact DELL for chat ONLINE,

God bless you

Jun 19, 2012 | Dell OptiPlex GX520 PC Desktop

2 Answers

I got dell optiplex 755 desktop computer in the power supply unit at the back there is a small button and a green light what are these for??


It help diagnose problems with your computer

A solid green light means the computer is operating normally.

A solid yellow:- the power is operating fine but your computer not processing data. This could mean there is a problem with the CPU or another component on the motherboard.

A blinking yellow light: power supply is receiving power from the wall, but not functioning properly. This generally means the power supply itself is bad and should be tested or replaced.

A blinking green light means the computer is in standby mode

Jan 29, 2012 | Dell Optiplex 755 Desktop Desktop Computer...

1 Answer

Yellow light on the power button of my Dell Optiplex GX520. I've tried: 1. Replaceing the power supply 2. Replacing the CMOS battery 3. Removing and reinstalling the RAM memory. 4. Replacing the...


A solid orblinking Amber power button indicates a voltage problem. This can be caused bya defective power supply or a defective motherboard. Just to make sure thatnothing else is causing the problem, remove any PCI cards like modem, videocard, sound card, etc... Remove the memory modules and disconnect cables toCD/DVD drives. Look at the USB ports to see if any are damaged.

Sep 18, 2011 | Dell OptiPlex GX520 PC Desktop

1 Answer

I have DELL Optiplex GX 280 .. when i plug the computer on power .. that turn on automatically then have very loud fan noise , no blinking lights and the processor work good on another motherboard and ram...


Hi, Thanks for using fixya.

I have the same computer with the same problem. I changed the power supply that cured it for me, I hope it does the same for you.

Terry

Feb 15, 2011 | Dell Optiplex GX280 (99301) Motherboard

3 Answers

Dell optiplex 330 flashing orange on the power botton


Try to clean the RAM and place it again in the motherboard.

May 31, 2010 | Dell OptiPlex 330 Desktop Desktop Computer...

2 Answers

Dell optiplex 270 startup


sounds like power supply failure. You can try removing all of the ram and pressing the power button again. If nothing happens, its either a bad power supply or a bad motherboard.

May 22, 2010 | Dell OptiPlex GX270 PC Desktop

2 Answers

Dell? OptiPlex? SX280 blinking yellow what is that


blinking yellow light on the power button of a Dell system is a possible power supply issue. press the eject button on the dvd drive while the power button flashes yellow light. if the disc trays wont come out, you need to replace the power supply. hope it helps. good day.

Jan 07, 2010 | Dell OptiPlex SX280 PC Desktop

1 Answer

Switching problem


If the power light is flashing either yellow or orange and you do not hear any fans turn on, your power supply is defective. Contact Dell if you are still under warranty and if not, there are many 3rd party sites, like http://www.pcconnection.com, that you can purchase a new one.

Good luck to you.

Nov 20, 2009 | Dell OptiPlex 330 Desktop Desktop Computer...

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