When OP boots up if my printer bed is too far forward it runs to endstops and grinds against the X belt.
Is there anything I can do to stop this?
When OctoPrint boots up, it doesn't by default do anything to the printer. You can configure auto connect on server startup, or remove whatever you have in the 'on connection' gcode scripts. If you don't have anything there, then provide the information requested in the template:
Have you tried running in safe mode?
Did running in safe mode solve the problem?
Complete Logs
octoprint.log,serial.logor output on terminal tab at a minimum, browser error console if UI issue ... no logs, no support! Not log excerpts, complete logs.)Additional information about your setup
OctoPrint version, OctoPi version, printer, firmware, browser, operating system, ... as much data as possible