Torch Light Issue on Garmin 7X Solar Sapphire Titanium

Flag fr Hi everyone,

I recently purchased a second-hand Garmin 7X Pro Solar Sapphire Titanium, and I've noticed that the torch light isn't working. Is there a debug mode or a way to access logs on a PC to determine when the torch light stopped working? Or is there a system notification indicating the malfunction?

I am asking because I want to prove that the torch light was already broken before I bought it and that it wasn't my fault...

Thanks for your help !