NOT KNOWN DETAILS ABOUT HOW TO TELL IF PROJECTOR BULB IS DYING

I am extremely worried about these laser projectors. Whilst I haven’t absent as far as not to propose them, The truth that we don’t seriously understand how the laser light engines is going to be serviced worries me enormously.Pondering how may be the laser spackle and dim scene distinction (currently Possess a LG 810p which suffers from both)P