Replacement LCD install problems, black screen after boot.

Hello,
Just replaced my broken LCD screen (model LTN170CT10) about a third of the screen was just vertical white lines and you could see a dark patch where the LCD was broken.. After quite a lot of searching I found a suitable replacement the same as listed on this link - http://www.powerbookmedic.com/17-Inch-MacBook-Unibody-Display-LCD-Screen-NEW-p-1 7383.html
My original screen was the matte anti glare so I decided to change to glossy as trying to find the aluminium bezel was proving impossible, anyway I followed the guide off this website and proceeded to replace the LCD, now after I boot all I get is a black screen, can't see any image at all, totally black. I opened the mac back up and checked all the cables and everything seems to be connected right but I still get the black screen. I thought I must have bought a DOA but I've tried the original LCD and that is just black as well.
Connected and external monitor and the mac is booted no problems, checked everything else worked, bluetooth, isight , airport etc, everything works fine apart from the display.
Systems profiler shows this -
http://i114.photobucket.com/albums/n265/remrok/Screenshot2011-02-24at003756.png
I've zapped PRAM and reset the PMU and still nothing
Any ideas of what to check next or any other info would be greatly appreciated.
Thanks,
Liam.
Update -
After screen sharing the Macbook Pro on my G5 I tested the brightness buttons on the the Macbook's keyboard and sure enough I can see the settings go up and down. The contrast buttons don't do anything though the icon comes up on the screen and looks as if the contrast is turned all the way down and there is also a circle with a line through it, pic here - http://i114.photobucket.com/albums/n265/remrok/Picture1-4.png,

repost in the Boot Camp forum: https://discussions.apple.com/community/windows_software/boot_camp

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Lenovo G560 - Issue with won't boot and black screen after HDD upgrade.
What happen: My laptop was working fine, no blue screen issue, no funny business at all. I bought a new SSD Intel 120 GB and thought it would be a good idea to replace the HDD. I shutdown and disconnected the power adapter, waited a couple of minutes and removed the battery. I opened up the back case and replaced the HDD. And put all the screws back and put the battery back in.
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Go to Solution.

Hi Autoexit173,
Welcome to Lenovo Community!
As per the query we understood that you are facing issue with system not booting in your Lenovo G560 laptop.
As you have mentioned that the system not booting, please try to remove the RAM and turn on the system and check if you can hear any beep sound. Also try to clean the RAM slots and check for the issue.
Click here for the steps to remove the RAM and refer page number 40.
Hope this helps. Do post back if issue persists!
Best regards,
Ashwin.S
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Replacement LCD install problems, black screen after boot.

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