In mine the laser suddenly stopped working. I followed this guide to some extent to try and see if reconnecting the cable would fix it.
Some notes:
- If you want to keep the mouse feet, take care to get them off completely and not in two layers.
- There is a plastic clip at the left side of the housing holding top and bottom together, just above the thumb rest. It will break if forced open.
- The white/ blue flatcable sticking out at the back side at exhibit 4-A is the one that goes to the laser. If you have the same issue, reconnect it and stop here.
- If you want to take the mouse apart any further, there are 2 more screws hidden in the black plastic part that holds the scroll wheel housing (which will also break if forced open).
If you hadn't figured by now, I will be going to the store for a new one later today.
I do not know if re-seating the flatcable resolved the issue.
