ronandrew 0 Posted March 9, 2020 i have two program's on my computer sign-cut pro/sign-blazer iv always used both programs for different things and always worked well but sign-blazer has stopped working not showing the com USB port on the program any one got any idea Share this post Link to post Share on other sites
darcshadow 1,626 Posted March 9, 2020 I believe SB only goes up to comm 4. Go into your system/device manager and change the comm port number. Share this post Link to post Share on other sites