Question about Dell OptiPlex GX260 PC Desktop

6 Answers

Gx260 pc wont start

When powered up there is a flashing orange light on motherboard, no fan running, or any operation at all on cd etc. checked with standard power supply and still same. could it be cpu fan? orange light also flashing in centre of on/off switch

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6 Answers

Re: gx260 pc wont start

I had just removed dust from the fans on my Dell Optiplex GX260 desktop power supply and processor. I started the PC and it worked fine. I now replaced the the hard disk and suddenly an orange light appeared on the motherboard. Since then the PC has refused to start, and the orange light comes on whenever the system is connected to the power source. HELP!

Posted on Sep 23, 2008

Re: gx260 pc wont start

Either the motherboard or power supply are bad. I've had both be the cause of the problem. Check the motherboard for bulging and discolored capacitors. The same can be true of the power supply.

To the guy above who said his were out of warranty. If the motherboard is the cause of the problem, Dell will replace it until near the end of January. Just call them up and try to convince them. We are an educational customer, but everyone should be able to get it. It's a known defect.

Posted on Dec 18, 2007

Re: gx260 pc wont start

Needs new motherboard. I had a batch of eight machines. Replace 5 with new MBs. Rest are now out of warranty - ;-(

Posted on Nov 28, 2007

Re: gx260 pc wont start

Power supply is bad

Posted on Nov 09, 2007

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Re: gx260 pc wont start

Did you check the Power Volts At the back of the system? you will find one red colored power switch 220/120. If its on 220, and you plugged in 110 power then you will get that light. Regards

Posted on Aug 18, 2007

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Re: gx260 pc wont start

Have you checked the post lights located in the back of the system by where the keyboard plugs in? There are is a row of 4 lights; either yellow or green. If the systems gets stuck at a particular post location, the lights will tell where. Good luck

Posted on Aug 16, 2007

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My Dell Optiplex gx260 Pentium 4 Flat CPU doesn't Display anything, and Power light is Orange.. Please help me out

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I have dell optiplex gx260 when i power it on its not respond and the fans not work only the light of power switch is being orange its flash, that it being on then off continously. please help me...

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Sep 06, 2010 | Dell OptiPlex GX260 PC Desktop

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Orange power switch light Dell Gx260

Gx260-Gx280 have a known issue with the motherboard capaciators. Take a look at the capaciators on the motherboard and check if any look like they have bludges at the top particularly around the memory banks. If any of them look like this the motherboard most likely needs to be replaced.

Dec 29, 2008 | Dell OptiPlex GX260 PC Desktop

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Dell PC Desktop Optiplex GX260 Doesn't boot

Open up the case and remove any add in cards and memory modules. Try to start up by adding these back one at a time until the unit stops booting normally. The light combination is not one recognised in the user manual so I am guessing you have a non-descript fault with one of your components. Be careful when you open the case as to not disturb the ribbon to the motherboard which controls the power, I have had a very long experience trying to get one of these reconnected!

Dec 15, 2008 | Dell OptiPlex GX260 PC Desktop

1 Answer

Orange Light permanently on motherboard. PC won't start

1. motherboards for atx form factor pc's are powered even when the computer is off, particularly if you leave the computer plugged in to wall outlet... you better do not work on you computer while power cable is still connected to both, your pc and the wall outlet..

2. I found this thread that may be helpful, it may be the motherboard may have gone bad, cmos is corrupted or something may not be seated could also be one of these: Bad CPU, BAD ram, Bad power supply.. read the thread for details:

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Dell gx260

You have 500mA on usb port. If you cause a short on usb connectors, this can damage the motherboard.
Disconnect usb port on motherboard (work with power unplugged ), remove all ide and floppy cable,eventually remove and put back in place bios battery and Ram.
Restart Motherboard only with 1 module Ram (bios battery back in place), CPU and Fan (ensure cpu and fan are well in place), do not plug anything else than switch on button.
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Please give me a proper solution to up my pc


Optiplex GX260 and GX270 has known motherboard problems. most of them suffer from bulging capacitors. call tech support at 800-8228965 and they should be able to replace the motherboard even if the warranty is expired.

hope this helps.


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Optiplex GX260 won't boot

I had the same issue and accidentally discovered a temporary solution. Unplug the power from the back of the machine, open the case and unplug the ATX power connection from the motherboard. With the ATX cable unplugged, plug the power cord back in. When you try to turn the computer back on the power light should turn orange and fans should be spinning, with it powered on plug the ATX connector back in. That should turn the computer off. Turn it back on and it should boot fine. You can even shutdown and restart, but when the power is unplugged you will have to go thru the same process to get it back up. This sounds crazy but it worked on mine. Good Luck!

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