iMac blue screen help

HavaUltra

New Member
Hi.
I have an iMac 2009 that will turn on, but there are little black lines on the white screen. After the white screen and apple logo, the screen goes blue. Sometimes I can get to the homepage, but there are little colored squares all over the screen. What does this mean and can I fix it if possible? Any help would be appreciated.

Thanks
 
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