Chosen Solution

Right button have no action, even when make a “click” sound. I removed the cover a check the switch mechansim but still the same problem. Any suggestion to fix this. Thanks.. Jose Guisao

I gues you mean the shoulder button. maaaaany dsl/dsi have this problem - it’s most of the time dirt i would try to fix it as shown on youtube - like this one: CLICK BUT never use water for that - use isopropyl alcohol - but never water