Mac target disk mode not showing up


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Is there anything I can do? Will DiskWarrior help me? It seemed like my good computer was trying to fix the bad computer first, before it mounted as ext hd. By clicking "Post Your Answer", you acknowledge that you have read our updated terms of service , privacy policy and cookie policy , and that your continued use of the website is subject to these policies.

Home Questions Tags Users Unanswered. Anne Berntsen Anne Berntsen 3 1 2. Please post a screenshot of the Disk Utility window. Hope this helps. Not only does this answer the question, it might be the correct answer. I found this website and immediately thought I would order a new hard drive and follow the instructions, but then I saw there was a way to do some repairs by connecting the two computers via a firewire.

I thought I would try that first before taking it apart. But I cannot get my host computer to show the target computers drive anywhere. I also read somewhere that I should shut them both down and startup the target computer with the T key, then start up the host computer with the option key held down.


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I did that and only see my hard drive and a recovery option. I am assuming the recovery option would run on my host computer and that is the last thing I would want. Before buying another hard drive, I would reverse the target mode process and try to boot the 17" from the working drive in the good laptop.

What If Your Hard Drive Fails To Display On The Desktop?

You can do this by putting the working laptop in target mode, and connecting it via firewire to the 17" in option mode, at which point you should see the working laptop's drive as a boot option, and selecting it should then boot the 17". Once booted up, you can verify the laptop's functionality -- you don't want to buy a new hard drive only to discover the 17" has sustained additional damage and that the dead hard drive is not the only problem. Please note, this won't work if the working laptop has an OS that is incompatible with the 17".


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Also, booted up from the good hard drive, you may have increase visibility of the "bad" hard drive Thank you for your advice! I was on the verge of biting the bullet and just buying the new drive, but decided to try to boot this computer up again using the original discs it came with. When I did it wanted to install it but did not find a hard drive to install it on.

Target Disk Mode not working | Mac Forums

I was able to get into disc utility from there and it showed the hard drive -- first time I saw any sign of the hard drive in a long time, and first time I made it into disc utility. I ran a repair, and it found nothing to repair. From there I ran a repair permissions and a repair again. Went to shut it down to try target mode again and it brought me back to the install of the OS and it had found the hard drive this time.

Luckily, being my son's computer, there was nothing important on there, so I chose to wipe out the hard drive and reinstall the OS. It worked! So it is up and working Have one system hook up by Fire Wire to my system Target Disk Mode works by first setting up the machine to work in target mode, then wiring the machines.

Jigsaw24 Tech Support: How to use target disk, boot and display modes

Not the reverse. Turn on my system while holding the T key until the FireWire icon appears Should 2. That is incorrect. The Target disk must be turned off, else you risk a short circuit and consequential damage to the Host computer. See Firewire Target Disk Mode.

Reply Helpful Thread reply - more options Link to this Post. Welcome to Apple Discussions. Let's review the procedure and see if this is what you are doing.

Why can't I see target computer on host computer in firewire mode?

Firewire symbol will flash on Target computer's screen. It sometimes takes a little while, but it should come on. If it does not show up after a couple of minutes you may have a defective cord or firewire port s that are too loose to make a secure connection. The firewire cable must fit tightly. Philbertdog32 Philbertdog Devin Crutcher Devin Crutcher. I would first try using Disk Utility on another Mac. Sometimes you can see the parent the hard drive model number but not the volume s belonging to that drive. You should see a healthy example of this in the left pane of the Disk Utility application.

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mac target disk mode not showing up Mac target disk mode not showing up
mac target disk mode not showing up Mac target disk mode not showing up
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