Apple iMac G4 Desktop "screen wont" Questions

my imac will come on but wont show on the screen will come on but wont show on the screen

...wont boot after parallels 9 and windows 8.1 install Need more info EG It no longer comes on to boot up screen or it boots up to a gray screen or empty folder or it literally does nothing no sound or ...

...screen wont show up what do i do? it shows like lines on part of the screen. get an external monitor and the correct dvi adapter and plug it in to te back and turn it m Make sure that in the ...

...wont boot with install disc, i was given an aluminum imac with the model number A1224 and EMC 2210, was not told anything about it. It comes on and the light blue apple icon screen appears , nothing ...

wont reboot. What you see on screen when you start it? Do you see a spining wheel or a folder sign with a question mark or a blue screen? If yes then it's either corrupt/damaged osx or bad hard drive.

The turn on light Turns On. But my screen wont turn On. Can you please help. power supply, video card or capacitors on the MB are going out.

imac wont start no chime black screen Go to apples support site and look for troubleshooting this issue. There are huge writeups on the imacs.

Why wont the screen turn on on Apple iMac m5521 Desktop? Usually a problem with what is called the video up board, there was a firmware snag going to OSX from 9 but that was long ago.

...wont boot on startup power light comes on, black screen, no chime/mouse light. Tried Pram reset, Tried instal from disk, tried to boot as target drive. No result from all - dead - except for power ...

...screen. Is this problem correctable? the lcd is bad,for some strange reason this is becoming common with Imacs.I recently repaired about 30 with the same problem.The techs at apple wont say why this ...