Hello Diggroc,
Thank you for posting in Microsoft Community forum.
You can try the command below (change the OUName to the actual OU name in your case):
Set-LapsADComputerSelfPermission -Identity OUName
Reference:
Get started with Windows LAPS and Windows Server Active Directory | Microsoft Learn
I hope the information above is helpful.
If you have any question or concern, please feel free to let us know.
Best Regards,
Daisy Zhou