Question : iMac G4 speaker scratches and then 3 beeps

After disassmbling the bottom half of the iMac G4 then putting it back together.
On start up, the speaker gives a scratching sound instead of the Mac gong sound, then
there are three beeps, with a grey screen. I can hear the hard drive spin up.

Answer : iMac G4 speaker scratches and then 3 beeps

We did not get to implement any of the Comments, as the client picked the computer up for the diagnostic charge d/t thier time constraints.