Im totally new to all RFID research and im currently setting up my proxmark3 rdv4. I keep getting stuck at this step even though the proxmark3 rdv4 is connected.
Following this one Getting started with the proxmark3 easy and every time i type “./pm3-flash-all” it says “[=] Waiting for Proxmark3 to appear…”. I tried the button trick but i definitely messed up because there’s only one LED light on when i plug it in.
Unfortunately I don’t have too much experience with the PM3 on windows, but if I were in your shoes at this point I would remove all my PM3 files and start over from scratch following this guide: