2013-06-24 05:10:27
Any MS509 with a serial number of MS505245 is 99% counterfeit. So just contact your seller and ask for a return and refund.
Check here for details.
http://pro.auteltech.com/autelsupport/Diagnostic%20System/259_3.jhtml?createrId=7564&view=1
Do you have any ? in the windows device manager ?
Driver software for the SUB-to-Serial chip of the MS509 installed correctly ?
Do you see the COM? device when the MS509 is connected ?
Does Windows recognize the MS509 at all (if not it may be a fake device).