Question about Dell Optiplex 755 Desktop Desktop Computer

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I have a dell optiplex 755 there is a blinking orange or amber light when i press the power button can you help me please...

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Kcvictory

If you are getting a blinking amber light this is normally related to a power problem. So the first thing I would try resetting the flee power. You do this by unplugging the AC power and holding the power button in for 30 to 45 seconds. After you do this plug back in the AC power to see if the system will boot. If it will not the next thing I would look for is the diag lights to see if any are lite up. They are normally near the front USB unless you have a small form factor case then they are on the back. Then will point to a hard ware problem if any. If they are not lite up then most likely the problem is with the powersupply.

Note if you are still in warranty I would pass this info over to Dell and they should be able to get your system fixed.

Let me know if you have any more problems or questions.

Issken
http://www.fixya.com/users/issken

Posted on Aug 24, 2010

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Optiplex 755 blinking amber light, simple solution, I'm no IT professional.


If the power light is blinking amber, the computer is receiving electrical power, but an internal power problem might exist.A power supply or system board failure has occurred. Try to isolate the problem by removing or disconnecting all cards, i.e. video, sound cards and disconnecting CD/DVD and hard drives.

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OptiPlex 755 flashing orange light only


An Amber blinking power button indicates a low voltage problem. This can be caused by a defective power supply or a defective motherboard. Since you replaced the power supply, my guess is that the motherboard has a problem.
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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Aug 27, 2012 | Dell Computers & Internet

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Optiplex 755 showing orange colour light on power button.. how can i fix this problem


A Blinking Amber or Yellow power button means that the power supply is receiving power from the source but is unable to properly distribute it to the components. 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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IN dell optiplex sx280 model system we are using in this amber power led blinking continuly yellow color because of this not able to boot the system. kindly give the solution for the same


Hi there!

A blinking amber/orange light on the power button of your Dell Optiplex means a hardware failure. If you know how to strip down your computer to basic component, then I suggest you turn on with only the motherboard, processor, memory and PSU. If you are not familiar with this, I suggest you bring the computer to a qualified technician.

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Please my dell optiplex 755 does not power but the on-board light is on. it only has a yellow light always blinking on the power button. how do i solve this problem?


Replace the power supply.

Generally this is a dell diagnostic light feature tellign you the power supply is failing. Have the unit tested and get a replacement.

Jan 24, 2011 | Dell Optiplex 755 Minitower Desktop...

1 Answer

I have Dell Optiplex 755 dekstop i have power on problem. Orange colour light is blinking


Hi,
The problem of blinking amaber light is usually caused due to a bad power supply on the computer. Open the system tower and reseat the biggest bunch pf cable connected to the motherboard. its titled P1 and it the biggest white connector. If the same doesnot resolve the problem you would have to replace the power supply on the motherboard.

Thanks for using Fixya
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Optiplex 755 flashing orange power button light only


Sounds like you only have power going to your motherboard.

The power supply might be bad on it, that or maybe the power cord is going bad and is only letting a small amount go through. I don't see why there should be a problem if you have even a little bit of power going though.

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My dell pc still not working


An orange/amber light is almost always a power problem. Is the amber light on the monitor or the PC itself? I'm assuming the PC since you have the ability to read the screen. Your best bet is to check your power supply in the PC. Do you have a power supply tester (about $20) or another PC? You can switch them out and see if the orange light follows the power supply. Let me know what you find out.

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