Question about Apple iMac G5 Desktop

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Can't locate the dirve in Target Disk Mode

G5 iMac model A1058, 1.8/512mb/160gb.
Bought this machine used on e-bay with no operating system, powers on fine, flashing folder with question mark= no operating system. Tried to connect to my i-book in target disk mode via fire wire and the hard drive does not mount on the desktop. Can't find it in disk utilities however i get this in system profiler under firewire.

Target Disk Mode:

Manufacturer: AAPL
Model: 0x54444D
GUID: 0xD93FFFE7B48EE
Maximum Speed: Up to 800 Mb/sec
Connection Speed: Up to 400 Mb/sec
Sub-units:
Target Disk Mode Unit:
Unit Software Version: 0x10483
Unit Spec ID: 0x609E
Firmware Revision: 0x0
Product Revision Level: 0000
Sub-units:
Target Disk Mode SBP-LUN:

Any Help, does this mean the disk is so corrupt that it is unrecognizable? I do not have Disk warrior or the correct system restore cd's, or system software install??

thanks, Drew

Posted by on

  • thelotusclub Jan 09, 2009

    thanks stephen, the seller on ebay listed it as is with no operating system, it came with 2 disks that said iMac, but these are older than the machine, ssw version 9.0.4, I assume this is os9 ? the machine does not even recognize them.

    I was hoping to diagnose the condition of the hard drive before purchasing the restore disk from apple, which is relatively cheap if my research is correct..$32. I can purchase a 320 gig hard drive on ebay with osx.5 and ilife installed on it for $64, I might just go that route and double the storage.


  • Anonymous Mar 20, 2014

    Disk utility reports S.M.A.R.T. HDD failure. Is it possible to 'ghost' old system to new HDD directly from Time Machine?

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You are going to need a system install disk for this machine if you want to reinstall it. However, if you just want to run diagnostics, any system install disk for MacOSX should do the trick. You just won't be able to run the installer once you boot from the DVD. The first thing I would do is make sure the eBay seller sold this to you in this condition and without the install disc, because if not, you've got an issue with them.

If you don't have an install disc, your cheapest solution is to call Apple and order a replacement disc for your model computer. You will need your serial number, which you can find on the sticker on your computer. Good luck, and let me know if you need more guidance with this.

Posted on Jan 09, 2009

  • Stephen Munn
    Stephen Munn Jan 09, 2009

    Wow, a 9.0.4 disk. That won't do you any good at all! The problem could be that he just wiped the drive before sending it to you. When you connect it with Target Disk Mode, can you see the drive using Disk Utility on your iBook? You might be able to run a repair from Disk Utility if you can do that. Easy peasy.

    You can buy the hard drive with the preinstalled OS, but it's unlikely to work in your machine. I've tried that kind of thing in the past and you get an error along the lines of "you can't use a copy of the OS to run your computer." In that case, you will still need the system disk for your model. It might be worth it, especially if you can get the disk to mount by repairing with Disk Utility.

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