DiskWarrior

down version of Techtools Pro, ships with each AppleCare kit. That is high testament to TechTools quality. DiskWarrior is also great for file recovery. ...

Alsoft says that DiskWarrior will work on Leopard if booted from their CD. ...

EDIT: I've solved the problem - Reset the PRAM and NVRAM http://docs.info.apple.com/article.html?artnum=2238 http://docs.info.apple.com/article.html?artnum=42642 See below for the reason why. /EDIT Hey, I've just come across problem and I could use some direction. Earlier today I tried to hook up a Yamaha Keyboard to my imac G5 using an Edirol USBMIDI connector. I opened up...

Thank goodness I made a SuperDuper clone right before I installed Leopard!! After a lot of fooling around and wasted time with Leopard, I reinstalled my old Tiger clone and ran DiskWarrior (which found a lot of things to fix - shame on me for not running it BEFORE I upgraded). I then saved a new clone of the repaired Mac separately before installing Leopard again. This...

I have an external hard drive (Maxor 3200) with both a Windows and OS X partition. About 5 days ago the windows partition was messed up when I had to kill power to the computer when it locked up without ejecting the disc properly. A day ago I had my external HD connected to my macbook while I tried to see if there was anything I could do to fix the Windwos partition in OS X...

Well could also do the code terminal monkey way by looking here and here and here. There are many other Terminal ways to do maintenance if you want look around the net. Now if you want to have long term OS X and hard disk maintenance then look no farther then DiskWarrior. This program IMHO is the best maintenance program a Mac user could own. If you don't believe me then read...

Disk Repair while booted from a Maintenance Drive, also DiskWarrior directory rebuild. Also deleted all Adobe FNT files while booted into Root. ...

outh. That screen is telling you it can't find a startup drive. Boot with an OS X install disk and see if you can repair that the hard drive. Also a program like DiskWarrior might help. ...

Like others said Allsoft's DiskWarrior IMHO is the best program to repair a system sick Mac. That program has saved my butt more times that I care to mention. ...

I am assuming you have verified/repaired permissions. What is the S.M.A.R.T status of you hard drive (Applications/Utilities/Disc Utility)? If it is OK, you could try some repair software: DiskWarrior - $100 TechTool Pro - $100 Cocktail - $15 Applejack - Free