MIDI controllers still freezing at random mid-session.
Have posted this before, posting again because I've tried a few things since first posting (such as fgsfds getting a new logic board) and still having exactly the same problem. Would really appreciate some help here!
Running Ableton Live 9 Standard on a late 2013 15" macbook pro, and have a launchpad, launchcontrol, Akai MPD32 and Arturia Keylab 49 all running through a powered USB hub (why apple only gave a high-end laptop two USB ports is beyond me). all MIDI controllers will be fine for about 5 minutes or so, then either one of them, or all of them will freeze randomly. none of the buttons flash when pressed on the launchpad, rotaries on the launch control cease to affect anything, little MIDI light on the top right of ableton's UI doesn't respond, etc etc. The only short-term fix i've found is unplugging them all one-by-one, then plugging them back in again - and even then this only fixes the problem for another 5 minutes. Could probably get away with this while performing but it's increasingly becoming disruptive and incredibly frustrating when jamming with ideas and recording.
Have considered, tried and ruled out the following:
- preference.cfg file may have been an issue, deleted it via the help menu (or at least attempting to find it myself since the help menu no longer seems to list an option for viewing the preference folder, contrary to what some people suggested to me) - this did not solve the problem.
- having multiple controllers plugged into my [powered] USB hub might have been an issue, tried running a session with just the launchpad and launchcontrol plugged directly into my macbook - this did not solve the problem.
- the macbook itself might have been at fault, went as far as taking it to the apple store, having the logic board replaced, clean-installing everything etc - this did not solve the problem either.
- bluetooth might have been clashing with something or other. it wasn't.
- There is a possiblity having too many controllers routed into one USB port via the hub could have been using up too much power or otherwise overloading the USB bus. Tried disconnecting a couple. Nope.
I really bloody hope there is something I haven't tried yet, because if I don't get any ideas within the next hour my laptop is well on its way to making best friends with my bedroom wall.
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