Dropped my light..help needed.

[amraspalantir]

i accidentally dropped my flashlight ( a wf- 600 )
and doesn't light up anymore.
any suggestions on any "first aid" procedure before i retire the light?
where and what parts to check out.
managed to remove bezel,reflector to expose the led but didnt go any further.

have a tk 40 and hope i dont have to do the same procedure with it
in the future.

thanks