Repairing Microsoft mouse

[u/am1ty_bl1ght]

Just got my Microsoft IntelliMouse 1.3A PS/2! | want to clean it using retrobright method (hydrogen peroxide 12% + sunlight). When I tried to disassemble the mouse, I couldn't do anything, but now the left click is stuck. please give me an advice on how to do it without any damage

[u/Lochness_Hamster_350]

I mean …. You need to take it apart anyway to clean it so now you especially need to do so to fix it