Hi I just bought a code 50 and when i try to plug USB cable with my computer (mac pro), evrytime i saw that so it is impossibe to change preset.
Hi Ludovic,
Have you tried another cable or making sure the usb setting are correct on you Mac, this is not an issue we have had before.
Marshall Support
Hi, yes I did. Today I arrived but not if I opened my Marshall with Safari, but if I open with Google that is working.