Apple won't boot beyond chimes

My Imac 24 inch does not boot beyond the chimes. When I reformatted, it worked but I could not install my Adobe CS3 and on restarting again after 2hrs it did the same thing stopped booting after the chimes. Please I need help to solve this

Hi
When you boot up, you should get a single chime (equiv chord of G apparently). Multiple chimes on startup can signify possible hardware problems. Have you checked your RAM to see if it is correctly seated (may be loose)?
Steve
Oops, didn't see last post, sorry. Please mark your thread as Answered so people know problem is solved. This helps other people with same problem find answers to their problem when using the filters.

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