Reply To: I couldn’t make the bavel modifier

Beveling works fine:

You will need to do some clean up:

You have some inconsistent Normals: in Edit Mode Select all (with A) and then SHIFT+N.

Also the bottom of your console needs to be re-aligned:

and then you”ll need to Merge By Distance again.

There are probably some more modeling mistakes, so I’d really recommend to start over, but that’s up to you.