Taratine

when i started arma 2 today i worked fine but then i joined a server and the only thing i coude do where shoot and looking around¨.when i tryed to bandage myself from a zombie attack the scroll dident work, do anyone now what is wrong,btw sry english not my best class at school

ty 4 the help

have tryed every one of my buttons on my keyboard but i cant find the 3rd person button. do i have to be on spec servers or....