HELP. i screwed up my macbook pro mid 2010

i installed 750gb hard drive last night 8gb ram , computer doesn't want boot up, install dvd (original one).

new hard drive folder question mark thing. put in install dvd came macbook , freezes on apple logo spinning wheel stopping. left on 30 minutes thinking boot never did.

switched hard drive existing 1 , same thing, freezing during apple logo.

nothing seems working. help.

also, reason bootcamp partition working.

 

put factory ram in.

 

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