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Released in 2009, the Dell OptiPlex 780 Small Form Factor is a mini-desktop computer in Dell's OptiPlex 780 lineup. Identified by the model number DCCY1F.

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I have a Dell desktop and the orange lightest blinking on the power bu

I have a Dell desktop and the orange lightest blinking on the power button

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Hi @muhammadyaq7886

Is the HDD (hard disk drive) light, which is also on the front of the computer, on or off?

If the Hard Drive light is off, it is probable that the power supply needs to be replaced.

If the Hard Drive light is on, look at the diagnostic lights on the back of the desktop case to see what they show.

Here's the service manual for the PC. Go to p.14 Diagnostic Lights to see what the light pattern means.

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muhammad yaqoob sera éternellement reconnaissant.
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