Ibook G4 won't display my hard drive

My Ibook G4 sometimes crashes and won't then show my Hard drive. I replaced the drive about three weeks ago and this fixed the problem for about three days. I replaced the cable between the hard drive and the logic board last week and this seemed to fix the problem properly. Unfortunately a few days ago, my system crashed again and my hard drive disappeared. After a few hours of restarting, I could see the hard drive and began a zero data to try and fix it. I'm guessing it might be corrupted?
After clearing the drive, I tried to reinstall my software but again, I couldn't see it. Eventually it appeared after a few re boots but it wouldn't then let me install.
Any ideas what I should do next? Any help would be greatly appreciated as I'm tearing my hair out. To para phrase:
I have swapped my hard drive for a new one
I have reinstalled Leopard
I have swapped the cable between the hard drive and the logic board
I did a hardware test which was all clear
I tried to do my tax return
My system crashed
I zeroed my hard drive
I tried to reinstall Leopard
Many thanks

That's what I feared. I have tried the solutions on this site http://www.coreyarnold.org/ibook/ and have found my hard drive again. I'm now trying to re-install my software starting with my initial install disks on 10.3.7.
Fingers crossed this works or does something

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Please click “Accept as Solution ” if you feel my post solved your issue, it will help others find the solution.
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The hard drive won't show up in finder or disk utility, however i can see it in airport utility.
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Ibook G4 won't display my hard drive

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