I'm trying to help a friend with his laptop - he has installed Arduino software on it, and is trying to configure the serial port. However, when he attempts to access the serial port configuration in the GUI, the menu 'Serial Ports' option is greyed out. I thought that maybe there was an access rights issue, and so added his user to the 'dialout' and 'lock' groups as recommended in this
thread, but this hasn't resolved the issue, even after a reboot.
Does anyone have any suggestions as to what might resolve this issue? I realise this is absolutely minimal information, but I have no idea where to begin!