Macbook Pro does not boot after replacing HD

I have a Macbook Pro that I bought in early 2007. It came with 10.4, and I have since upgraded to 10.5, and then 10.6.
I decided to upgrade the original internal HD to a 500GB HD. I used Time Machine to back up the orignal HD.
After performing the surgery, I turned on the MBP with my Snow Leopard install DVD. After a while reading the DVD, the MBP spits out the DVD and displays the folder with the question mark.
I then create a recovery disk on an 8GB Flash Drive, using the Snow Leopard install disk as a source. I plug in the drive, start the MBP and hold down the 'option' key. I get a grey screen with a mouse cursor, but no drive icons.
I'm puzzled. The install DVD seems to look fine on other computers, as does the flash drive. I'm planning on getting a HD enclosure and cloning my old drive to the new drive, but does anyone have any suggestions as to what's gone wrong?
Thanks!

Dale Weisshaar wrote:
After performing the surgery, I turned on the MBP with my Snow Leopard install DVD. After a while reading the DVD, the MBP spits out the DVD and displays the folder with the question mark.
Are you holding down the small case letter c the whole time. Keep holding it till the install screen comes up.
Did that, still tried to boot (sounded like the drive was reading), and still got the folder with the question mark, and the DVD was ejected.
Also, it has to be a retail disk of Snow Leopard. A machine specific disk that came with another Mac will not work. You need the universal copy.
Right, my MBP came with 10.4 originally, so this was a retail disk.

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skylaneval wrote:
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Dear forum
I need some support.
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What can I do now?
I wish I knew.
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Yesterday when leaving my office I just closed the cover on my MacBook. When I later opened it again the front white lite was steadyly on (dim) and the computer did not react to anything.
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Tried to boot from original system disk (the grey disk I). Disk spins at high rev as expected when trying to boot but then goes to a slow speed and stays like that forever. Have to shut down by hiolding down power key until power off.
Removed power cable and battery, held power switch down for 10 sec. to reset SMC. No effect.
Removed both RAM banks. Tried to boot without RAM. No effect.
Tried swapping RAM banks. No effect.
Booted with single RAM bank. No effect.
Are there any steps I could take to get it back to life? I need the computer urgently for work (have to give two presentations the coming week which I wanted to work on this weekend). I have had time machine connected and I have a full backup of the hard disk from about a month ago.
Any help sincerely appreciated!
<Serial Number Edited by Host>

Hi, Now, I am not sure if i can help you, but at least i am "glad" too see that i am not the only one with this problem. The same problem i have/had in December, so i took my Mac Book Pro after trying the same as you did to the Service, only to hear from them that i must buy a new LogicBoard, ok, i did this & it was then replaced, but after picking it up from Service 1 Month later, it was working, but only for 2 Hours, so i went back to the service again complaning about this problem, & all that i heard again from them was..." Your LogicBoard is not working, you must buy a New LogicBoard"... This i cannot not understand or accept after spending so much money for repairs, (2 Times in such a short period) After speaking with Apple, i was only told that this is not normal, & that i must go again to the Service where i was before & speak with them about it.

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Macbook Pro does not boot after replacing HD

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