Arduino with PC sync problems

Using Arduino Project Guidance
1

Hi, I would like to report an error that has been happening in the timing of my Arduino's execution.
(My problem is that the LED light is not flashing in sync with my PC's countdown)
When I upload the command and run it, there is no reported problem.
However, as soon as I remove and put the USB cable in the PC, the synchronization between the LED light blinks and the countdown doesn't happen, giving delay.
Can anyone tell me what it would be?
Problems with any component, or is it command?

2

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3

Hi @davirocha132

You posted this same question on the forum in Portuguese?

https://forum.arduino.cc/t/mal-sincronismo-do-arduino-com-o-pc/900787

RV mineirin

4

What is a "PC countdown"? I only know of PC shutdown.

5

@davirocha132
I have deleted your other topic on the same subject. Posting the same question multiple times is against the forum rules as it can result in 2 or more lots of volunteers trying to help you with each unaware of what the others are doing, and so wasting their time.

Please read the forum guidelines How to get the best out of this forum

As your question stands I would not think anyone can really help as you have provided next to no information about your problem.

6

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