IPad in a boot loop, won't get past Apple logo

Hi
My iPad 2 is stuck in a boot loop, doesn't get past the Apple logo. I've held the sleep/home button together many times and it hasn't worked. Tried to do a restore in DFU mode, goes all the way the end and starts rebooting again. Even tried re installing the firmware on it and it goes all the way to the end then starts rebooting again. Tried hitting it on the back and this didn't work. There has been no damage to the iPad.
Any other suggestions please?
Many thanks
Dominic

Thanks for the replies! Anyway, I gave DiskWarrior a try and it failed to work. The first time I tried it, I put the disc into the drive of my MacBook Pro and booted it from the disc. After going through the rebuild process it told me that due to a hard drive malfunction it couldn't append any changes to the drive. I then tried putting the disk into my iMac and used my MacBook Pro in Target Disk mode. This wouldn't even attempt to rebuild my drive saying that there was a hardware failure.
So, I booted into Windows 7 and saw that Windows was able to access the drive and read the files perfectly. All the files were in tact. I don't understand why disk warrior had a problem with it. Anyway, what I can do is reinstall Mac OS X Snow Leopard onto the hard drive again after moving the data onto an external hard drive using Windows. The only problem is that I would have to reinstall all of my programs while reimporting all of the settings and data that I can from the external hard drive. What I want to know is can I make an image of my hard drive (with SuperDuper?), and append that back onto my Mac's hard drive? Would that work again after reformatting the disk or would it just give me the same problems as before? Would it be better or easier to just start new and reinstall everything? Thanks!

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Thanks for the replies! Anyway, I gave DiskWarrior a try and it failed to work. The first time I tried it, I put the disc into the drive of my MacBook Pro and booted it from the disc. After going through the rebuild process it told me that due to a hard drive malfunction it couldn't append any changes to the drive. I then tried putting the disk into my iMac and used my MacBook Pro in Target Disk mode. This wouldn't even attempt to rebuild my drive saying that there was a hardware failure.
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Welcome To  Discussions HSHS07!
To begin, run Repair Disk, and post the results.
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Here's the spec page on your Mac http://www.everymac.com/systems/apple/powermacg4/stats/powermac_g4_1.25mdd.html
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IPad in a boot loop, won't get past Apple logo

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