How to Repair Projector NEC P350W No Display

[@پوریافیروزی-د5ك]

hi. my nec m300x turn on but status led blinkig red led for 6 cycle and not turn on the lamp and turn off. please help..

[@jbs00210]

Is that dielectric grease?

[@DeNext-p5g]

I have a brand new projector which have the same behaviour as the one in this video, can anyone tell the name of this grease, where and how to get it please