Hello I am new with arduino, I'll buy arduino uno week ago, and now its not getting recognizned.
I cannot select port on Arduino Ide, and Windows is recognizing this device as Unknown USB Device Port (Reset Failed) and its showing code 43. please HELP i tried everything but nothing worked.
Code 43 is normally a windows error and normally to do with a driver.
That topic is covered at least once in those sticky posts you passed before your typed your question.
But for you I will narrow it down a little and say it is one of these links but wont tell you which.
Could you take a few moments to Learn How To Use The Forum.
Other general help and troubleshooting advice can be found here.
It will help you get the best out of the forum in the future.
It's broken then.
How about slowing down a bit :
Is it an Arduino UNO or a different brand?
What have you actually tried so far?
Have you tried it on a different Computer?
No its not different brand, i tried to unnistall it and reštart Windows but IT didnt worked, I also tried to install driver from arduino but IT didnt worked too.
And I tried it on another two computers but it didnt
Did you try the things listed in the second link ?