I can’t use select from start to cursor on a audio track. I go on menu, edit, select, select from start to cursor. It dose nothing.
Now I understand where your problem is. I think you are seeing select from start to cursor as something other than what it is. “Start” does not refer to the start if the event; it refers to the start of the project. So, if you have an audio event which spans bar 10 > bar 20, and the cursor is placed at, say bar 6, select from start to cursor will appear to do not do anything. Which is reallly isn’t, b/c there is nothing prior to bar 6 to be selected. Place the cursor at the end - or after - the event, then use select from start to cursor , and you will see the audio event selected.
Switch to range tool then try again…!?