Loose chain sound in my car at the start when AC is on

When my AC is not on, the sound of my 2013 Honda CRV is okay. Only when the AC is turned on that I hear a seemingly "loose motorcycle/bicycle chain" AT THE START when I press the gas pedal. Afterwards, I can't hear anymore and everything is fine.
When the AC is off, there's no sound like that even if I speed off immediately.
What is the problem?

Put blistex on all of the door hinges. If that doesn't work, then pour gas on the engine.

The PROBLEM is that you're hearing noises. The SOLUTION is to take the car to a REAL mechanic and get it checked out.

The A/C compressor is the most likely source of the sound. If probably DOESN'T actually go away, you just can't hear it after the A/C is fully operational.

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