Laser Pointer Repair - iFixit

Optical Laser Lens Power Adjustment - iFixit Repair Guide

Optical Laser Lens Power Adjustment - iFixit Repair Guide

The Laser Pointer Teardown

Logitech R400 Presenter Repair - iFixit

Disassemble laser pointer howto

The Laser Pointer Teardown

Inside a Red Laser Pointer

How to Fix a “Not Working” Laser Pointer?

SOLVED: Dropped mouse now red laser light not working - Logitech