Sprawdz te z zalacznika. ; CH341SER.INF ; Driver for CH341 (USB=>SERIAL chip) V3.4 ; WDM&VXD for Windows 98/Me/2000/XP/Server2003/Vista/64bit Vista/Server2008/Win7/64bit Win7 ; Copyright (C) W.ch 2001-2014 Link do sterownikow na stronie producenta: http://www.wch.cn/download/CH341SER_ZIP.html