Screen won't come on- 1Ghz G4 iBook

A buddy that I convinced to switch has had lots of trouble with his iBook. The latest problem is screen related.

He called a minute ago saying:

• that his computer wouldn't boot
• that the screen was a dim blue color
• that his computer was making the normal drive noises

I was able to discern that OSX was booting.. because his volume buttons work (they respond with nice 'plop' noises), and he was able to put it to sleep by closing the lid.

It sounds to me like he has a bad screen or an loose internal cable or component. He recently had to send it to apple for a hard disk replacement- maybe they didn't put things back together so well.

Is the video adapter built-in to the logic board on this machine? If so, can it come unseated? Is there anything we can try before I open it up and go snoopin?

He'll be here in with it in an hour or so, and I just wanted to be prepared!

Thanks!
-wjones

Here's an update:

His iBook screen is intermittant when the bezel is squeezed... on the top... just of the left of center.

Is something plugged in up there?

Thanks!
-Walton

The iBook wasn't used- he got it new.. and has had problems with it.

After looking at some pictures, it looks like the data cable is loose (that's where the pressure seems to fix it).

-wjones