Macbook pro doesn't start up anymore

Guys i got a pretty big problem. My 1st gen macbook pro doesn't wanna completely start up anymore. When i press the startup button, I get the bong and when the apple logo appears, it suddenly restarts. So the bong appears, the apple logo shows up and then it restarts again: this keeps on going and i cant stop it unless i pull out the battery and power plug. I have no idea how this is possible: I did nothing unusual with my computer. The only alarming thing that happened before this was a kernel panic. After restarting my computer everything was fine and the mbp seemed to have recovered. So I then left it as I went for dinner and when i came back, the screen was black en frozen. So I turned of the mbp and then it wouldnt start up anymore!!!
Can anyone please help me!!!

Place the OSX installation DVD that came with your computer and hold down 'C' during the restart. That should open up the installation/repair screen. There you can check your volume and repair it through Disk Utility. If you can't fix your drive here, you can restart your machine in target mode and backup your drive (given that you have another computer to back it up to) and then hard-format and reinstall. This might be a long and hard process but it should solve your problems. If you have more questions, just post.
Cheers-

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Try SMC reset. If the battery in your MB can be removed by you, use that set of instructions, otherwise the other set:
Resetting the SMC on Mac portables with a battery you can remove
Shut down the computer.
Disconnect the MagSafe power adapter from the computer, if it's connected.
Remove the battery.
Press and hold the power button for 5 seconds.
Release the power button.
Reconnect the battery and MagSafe power adapter.
Press the power button to turn on the computer.
Resetting the SMC on portables with a battery you should not remove on your own
Shut down the computer.
Plug in the MagSafe power adapter to a power source, connecting it to the Mac if its not already connected.
On the built-in keyboard, press the (left side) Shift-Control-Option keys and the power button at the same time.
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Hello,
I'm having some problems with starting my Macbook Pro
specs of my macbook pro are here: http://support.apple.com/kb/SP13 (15,4 inch 2,2 ghz)
My macbook pro won't start up anymore, i press the start-up button, it makes the 'krie'-sound then the vans start spinning slowly and then he get's quiet. (screen stays black and the light at the mousepad is on).
I tried:
-Connect it to power and wait 15 min. then try again -> same result
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the only thing i didn't do is check if my ram-sticks are still in position (i never bought new ram, but maybe it started to get loose)
what to do?
Message was edited by: Klapschaats

Just google Nvidia 8600m, and problem, or oh god my screen is dead, and see what comes up.
Once again, if you have a Macbook Pro from mid-late 2007, chances are you have a bad chip. They will replace your logic board, with another bad chip, which may or may not go bad. It's an obvious issue, Nvidia admits they have a problem, and Apple is just going to quietly resolve individual problems.
If your computer turns on but the screen doesn't, it's about 99% likely it's the GPU. Go ahead and let Apple replace it. Oh, and if you have a MBP from that time period and don't have apple care. GET IT NOW. You will most likely have a Black Screen Of Death at some point, and Apple care is cheaper than the repair (which may or may not work). Some people have gone though three logic boards. Good luck.
<Edited by Moderator>

Macbook pro doesn't start up anymore

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