Since yesterday , my focusrite 2i2 won't have any insert.

[Rawer]

Tried the sound card from my work macbook, no issue, laptop on Yosemite...

Should I just re install Sierra or get Yosemite?

[Rawer]

Back on El Captain 10.11.6, back to normal

[Darryl Ramm]

Originally Posted by Rawer

Back on El Captain 10.11.6, back to normal

OK cool. Since Focusrite claim the 2i2 works on Sierra you should follow up with them before you try to upgrade again. With some irony that Sierra seems a much better OS for many users than El Capitan.

[Rawer]

I kinda want to put sierra back, but since the last update messed it all up, I really dont want to play with it, was so painful

[Sergius]

From Focusrite (after had gone back to El Capitan, so haven't tried this...

"We just started seeing this odd issue with the release of the newest Sierra update, 10.12.2.

In this new update to OS Sierra the Scarlett Solo, 2i2 and 2i4, are showing up as two separate devices, one for Input and one for Output.

Thus in DAWs where you select the Scarlett you are only able to use Inputs or Outputs, but not both, resulting in either no Input or no Output depending on which you select.

We have a work around for now, but we are looking into a better long term resolution.

Please open the Applications > Utilities > Audio MIDI Setup.

Press the small + sign to create a new Aggregate Device.

In this new Aggregate Device add both the Scarlett 2i2 Inputs and Outputs.

Then select this Aggregate Device in your DAW.

This should allow you to use both Inputs and Outputs of the Scarlett until we find a better fix for this issue."