bulb wont work.. need help quick

I transported my gear yesterday, found three tiny pieces of broken glass inside my 600 mh. when i hooked it up it wouldnt turn on. just flicked on whenever i jigged the fixture. Anybody know whats wrong besides a broken bulb. all it does is keep flicking giving me a false sense of hope. Also, my seeds were planted yesterday but because of this havent been able to give em any light yet. how long will they be able to go without light. I have em under a regular house lamp bulb right now... hoping to get em started under legit light tomorrow
 
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