Apple MacBook Pro PC Notebook "mac black screen chime" Questions

Mac book pro. Black screen cannot start but with boot sound Mac book pro model A1151 black screen cannot start Have you tried connecting an external monitor. A boot chime means the Mac has passed POST

...mac iBook G4 it says you need to restart the computer, and when I did it just gives me a black screen and it chimes but nothing else. At first it told me to restart, then after I did I only get the ...

...screen stays black, I can hear the fan but the screen shows nothing. When you press the power button do you hear a chime. If you do your monitor cable is probably loose. If you do not hear a chime ...

the power button again. got the same problem the mac book boots to grey screen then it goes black I Think we can Fix these.. Do Any of you get the startup chime? Try holding Cmd+N. It worked for me! :

...black. Connect your Mac to an external display or TV using the appropriate adapters. If you get an image, you need a new backlight or LCD panel. 3) Entire machine is plotz, especially if you hear ...

...black screen it has the fan and chime noise but no screen it's black what can I do Hook up an external monitor. If that works the inverter on the laptop screen went out. It's an easy fix and part to ...

MacBook won't start / no chime / black screen / blinking light just installed the original RAM

Screen is black Can you hear the startup chime? It could be a bad video card, if so... take it to an apple store or certified mac repair shop. 

...screen stays black, nothing happens!! Is my screen turned off or something? It seems likely that the PMU (Power Management Unit) has failed and needs to be reset. There are comprehensive instructions ...

...black to gray THREE times (each taking about 15 seconds), then let go and let the mac complete the boot cycle. On the second cycle, you should have already heard the "chime" appear. That's it! Good ...