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every time i want to upload the code i got the same error: avrdude: ser_open(): can't set com-state for "\.\COM5" Failed uploading: uploading error: exit status 1

I tried every think I shecked the port and the version of arduino I changed the USB cable I reinstall the COM drivers I reinstall the IDE but got the same erreur. and now I have doubt that my arduino is broken but I still got the red light like always

hcheung
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