OK, let's fix this one as well. First off, don't install any of that crappy Maxtor software. If you did, then go to your System folder/Library/Extensions and remove these two, MaxtorPowSecDriver.kext and IOFirewireMxBt.kext. Find your startup items folder and remove the MxBtDaemon and any other file that has Mx or Maxtor associated with it. You will also find NotificationExec next to MXBtDaemon, dump that too.
That is the important stuff.
Now, how to format. First, go to the Maxtor support site and find the software package for Mac for the OneTouch4. It's called OneTouch 4 Lite. Here
(UPDATE) Here is the link for the Plus version.
Now unzip this folder of about 200MB, and you will see a bunch of Windows stuff and a Mac application called Mac OneTouch 4 and a disk image called OneTouch 4.dmg.
If you have messed up your OneTouch, you can use disk utility to format it as MS-DOS for now and mount it. Once it is mounted, drag the Mac OneTouch 4 app and the OneTouch 4 DMG to your attached OneTouch III drive. Now launch the Mac OneTouch 4 application from your new drive.
It will run an applescript, mount the disk image and format your drive you as a Macintosh Extended Journaled one. Now, when you launch disk utility, you can reformat any way you want, including MS-DOS or Macintosh.
Now throw out all that Maxtor software. If you want to clone a drive, I recommend Carbon Copy Cloner. You can also use Apples new Time Machine software. Leave the one button stuff alone.
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