updated 15.8 and now my PreSonus 2626 is not seen

Loyd981 wrote:

Hello updated 15.8 and now my PreSonus 2626 is not seen. Updated the latest driver and still showing up.

15.8? Are you referring to macOS Sequoia? If so, the latest version (currently) is 15.3.

Ref: Writing an effective Apple Support Communities question

https://intl.presonus.com/pages/support-documents-downloads

If you have installed their latest Software Drives and it does not work

Contact them

https://connect.presonus.com/home?returnto=%2Fsupport%2Fopen

It is really up to the Manufacture to keep their drivers up to date and compatible with the version of macOS it is intended to be used on

An aside to your main issue

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