MacBook Pro :: Can Use Target Display Mode After Booting In Restore Mode?

Jun 2, 2014

Troubleshooting a broken display on a 13MBP with OSX Lion. Target is 2011 27' iMac running Mavericks.

Info:
iMac (27-inch Mid 2011), OS X Mavericks (10.9.3), Office for Mac

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OS X :: Booting Up From A Computer In Target Disk Mode?

Jul 12, 2008

I'm just curious if it's possible to put my Mac Pro into TDM, connect it to my MacBook Pro, start it up holding option to choose a start-up disk, and use the Mac Pro's HD to boot up. I'd experiment myself, but the Mac Pro is packed at the moment, and I'd like to know if anyone knows for sure that it will or will not work before digging it out.

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MacBook Pro :: Finding Target Display Mode

Nov 1, 2009

Any chance of a Target Display Mode as seen in the new iMac for the MBP? Is this a hardware or software thing?

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MacBook Pro :: Thunderbolt Target Disk Mode Via Cinema Display?

May 22, 2012

My MacBook Pro does not have Thunderbolt. 

Could it be connected to a Thunderbolt Cinema display to run via target disk mode to a thunderbolt MacBook Air? 

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Intel Mac :: Target Display Mode Does Not Work With Mini Display-Port Cable

Mar 5, 2012

I want to buy the 27" iMac - but only if I can use it as external monitor for my Lenovo laptop when working from home. A the Apple store in London they said that this is possible with a Belkin converter from hdmi to mini display port (with a USB power caple to turn it into an active signal). The laptop also has a displayport.

Info:
iMac

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OS X :: Won't Work With Kernal Panic / No Safe Mode And Target Disk Mode

Jul 6, 2010

I have a 15" mbp with 10.6 Intel core duo, 4gb ram with a boot camp and ubuntu partition through parallels. The other day I was installing xcode from apple's website, which failed 3 times after downloading saying the package couldn't be expanded. I left my computer for a while and came back where i then had to log in again. it rejected my password numerous time (i'm positive it was correct). when i restarted my computer i got a kernal panic screen when the apple logo came up. it told me to restart the computer which i did. didn't work. i restarted with the osx cd to use the disk utility. when it checked the drive it found a bunch of errors, which i then tried to correct. it went for a couple minutes then told me they couldn't be fixed and i should try to back up my data and reinstall osx. i don't know how to back up my hard drive when i can't log into my account. i've tried to boot in target disk mode and copy some files that way, but the only disk the other computer sees is my windows partition- no mac partition.

i've also tried these, none of these have worked: restarting in safe mode resetting the ram and pram booting with different sticks of ram all result in a kernal panic.

my windows partition still works fine though (as much as i hate to say it) the only things I really care about on my computer are my files from school and my itunes library. is there any way i can get these files off my computer?

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OS X Yosemite :: Use IMac As External Display (since It Does Not Support Target Display Mode)?

Dec 1, 2014

I have a new 27" iMac retina display. Is there any way to use it as an external display (since it does not support Target Display Mode)?

Info:
iMac with Retina 5K display, OS X Yosemite 10.10.1

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IMac :: Unable To Use Target Display Mode

Dec 16, 2009

So I have a Mac mini set up with Windows 7 only and then I have that connected to a 27" iMac with the miniDP cable.

At first, during installation, I have no issues; Windows is installed and drivers are done... reboot.

I start seeing artifacts, especially in dark areas (little sparkling pixels of colors--kind of like white noise except it's not everywhere and this is in color), also every few seconds the screen would flicker, and occasionally the screen would change to where the bottom of the be on top (hard to explain, but imagine a movie where the frame isn't centered and you can see the bottom of the previous frame and the top of the current one).

I figured it was an issue with the iMac, so I switched back to the iMac and there are no issues. I switch back to the Mac mini and screen is still messed up.

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Intel Mac :: Enabling Target Display Mode?

Jul 5, 2012

I am running a new 27" iMac and a MBP 17", both running 10.7.4. Both have Thunderbolt ports. I bought a thunderbolt cable and wish to use the iMac as an external screen for the MBP - Target Display Mode. I have connected both togther via the thunderbolt cable and used Cmd-F2, but nothing. System Information identifies the Thunderbolt ports (2 on the iMac) and nots No Devices Connected. 

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OS X Mavericks :: Target Display Mode Not Working

Dec 3, 2014

I have a 21.5' iMac (Mid 2011) and a 27' iMac (late 2012) that I would love be able to use Target Display Mode. Unfortunately I have tried everything I could think of to get it to work. Here is a list of things that I have tried but have been unsuccessful at enable TDM: 

1.) Completely restored Mac OS X 10.9.5 on the 21.5' iMac. Setting this machine up as new since it will be my external display.

2.) No firmware password enabled

3.) Reset PRAM on both machines

4.) Connected an Apple Keyboard w/ numeric keypad to the 21.5' iMac.

5.) Pressed CMD+F2 to enable TDM (no luck)

6.) Tried to enable 27' iMac as external display  

Repeated same process with an 13in Macbook Air (Mid 2011) and got the same result. TDM will not work. 

So I did some extra troubleshooting to try to target why TDM won't work.

I put my 21.5' iMac in target disk mode and connected it via thunderbolt with my 27' iMac but it doesn't see the 21.5' iMac while in target disk mode. I also tried the same process with my 13' MBA and I don't see the 21.5' iMac while in target disk mode.

Info:
iMac, OS X Mavericks (10.9.5)

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IMac :: Target Display Mode Not Functioning With AV360

Oct 23, 2010

I use a Belkin AV360 so I can play my Xbox 360 on my new 27" iMac using target display mode. it has been working flawlessly since I got the AV360 until today where I haven't been able to get target display mode to work.

I've checked it is not the Xbox 360 being the problem tested it on my housemates TV. am also pretty sure it's not the Belkin AV360 itself because in system profiler under USB devices it says the "AV360 miniDP Converter" is pluged in and say same in Windows 7 bootcamp under device manager. I also tried my laptop which has a HDMI out on it.

my laptop says there is a "Belkin dongle" plugged in, I set the laptop to use the Belkin dongle at a external display and still I can't get target display mode to work.

Normally when I turn my Xbox on it automatically goes into target display mode or I can press cmd + F2 so to switch between iMac and Xbox. I have also tested my housemates Xbox in my setup and still the same problem.

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IMac :: How To Use 27" Target Display Mode Connection

Dec 27, 2010

I am thinking about using my iMac as an external display for my Dell Laptop listed in my sig. Most of the time at home I can work on my iMac, but occasionally I use windows, and I have the dell for that. According to Apple:

"On the 27-inch iMac, the same port offers input, too. So you can connect any external source that has DisplayPort output � including a MacBook or MacBook Pro � and use your iMac as a display."

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IMac :: 27" Target Display Mode - More Info?

Oct 21, 2009

I just saw this new thing TDM, and I'm really interested, meaning I can hook up my MacBook to it and all sorts of other stuff. I've been trying to find more info on apple's site and google but there's nothing much mentioned.

Can anyone tell me what kind of cable is required? Will it eventually need like 10 adapter heads?

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IMac :: FYI 21.5" Does NOT Support Target Display Mode

Nov 8, 2009

Only the 27" iMac supports this feature. I'm seeing a lot of incorrect info thrown around the forums.

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IMac :: Target Display Mode Stopped Working With MBP

Aug 3, 2010

I have a November 2009 27'' i5 iMac and a 2010 Macbook Pro 15'' i7. After installing the iMac's Target Display Update 1.0 and 10.6.4, I'm no longer able to connect the MBP to my iMac. When I plug in my mini displayport cable, the iMac's screen goes black for a few seconds, then the MBP's screen flashes blue for a second or two, and then back to normal, and finally, the iMac's screen goes blue for 5 seconds or so, and then back to the desktop.

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Intel Mac :: Cannot Enable Thunderbolt Target Display Mode

May 13, 2012

I have a new 3.4 GHz Thunderbolt iMac and can't get Thunderbolt Target Display Mode to work with my current-model 13" MacBook Air or the current model 15" MacBook Pro furnished to me by my employer. Cmd-F2 just creates a beeping sound. I tried three different Thunderbolt cables. (They are not Mini DisplayPort cables. I have one of those from a previous model of iMac and it both looks different from the Thunderbolt cables and System Information doesn't show any change when I try to patch the computers together using it.) 

All machines are fully updated to MacOS X 10.7.4 with all firmware updates applied. System Information shows that all are equipped with Thunderbolt interfaces; the Console app shows the kernel message indicating when the Thunderbolt devices are plugged in and removed; all three machines work in Thunderbolt Target Disk mode in both directions with all three cables with both Thunderbolt interfaces on the iMac.

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IMac (Intel) :: Target Display Mode Won't Work

Jun 5, 2014

Target Display Mode display mode won't work with my imac 21.5" mid 2011. I tried both commands cmd+f2 and cmd+fn+f2 but nothing! I'm using thunderbolt cable to connect my macbook air. Why I'm can't use my imac as external monitor?

Info:
OS X Mavericks (10.9)

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Intel Mac :: External Monitor In Target Display Mode Won't Wake Up

Mar 26, 2012

I'm using 2 IMac 27' and one is simply used as an external display. When I wake up the computer from sleep, it works on the main monitor, however the external display still has a black screen. I have to unplug the external monitor to get it to wake up. I tried unplugging thunderbolt and replugging it in which worked the first time, but same issue again not waking up.

Info:
iMac

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IMac (Intel) :: Booting In Safe Mode Only - How To Boot Up In Normal Mode

Sep 3, 2014

My iMac24" can't booting in normal mode, but booing in safe mode only.

how to boot up in normal mode. If I restart the system, it is showing the apple logo and not going to Finder.

Info:
iMac, maverics

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Power Mac :: Used Target Disk Now G4 Only Starts In Target Firewire Mode?

Apr 27, 2012

How do I get the G4 to not start up in Target Disk Mode?

Info:
iMac

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MacBook :: Display Works In Safe Mode But Not In Normal Mode?

Aug 21, 2014

I'm not sure what to do.  I haven't tried resetting NVRAM/PRAM or the PMU/SMC, but are there other options I can try besides those?

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PowerPC :: IBook Display Stopped Working / Boot IBook Via Target Disk Mode?

Aug 13, 2010

I have a G3 iBook and just the other day the display stopped working. There were no signs of the display going bad, it's just went. Am I able to boot the iBook via Target Disk Mode on my PowerBook and run the iBook Hardware Test CD on it? Also, can I reboot my PowerBook and choose the iBook as the startup volume?

I know how to do Target Disk Mode but the latter I'm not sure about.

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MacBook Pro :: Usb 3 Target Disk Mode?

Jun 30, 2012

Is it possible to boot a macbook pro retina using an external usb3 hdd (=hdd of my previous macbook pro), and boot via target disk mode, so I can carbon copy everything to the flash memory of the new macbook ? 

In principle it sounds simple, but does anyone know if it can really happen? Can it boot from usb3 in the first place? (it's faster than usb2 and fw800 so I don't see why Apple wouldn't support it). 

It's important to find out before I go ahead and buy the new laptop.

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OS X :: Can We Boot USB Target Disk Mode Into New MacBook

Oct 22, 2008

Can we target disk mode through usb 2.1 into the new MacBooks?

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MacBook :: Cannot Get 2010 To Boot To Target Mode

Jun 4, 2014

I have a 2010 mac book i'm trying to zero out. But it will not boot to target mode connected t my mac book pro via fire wire 800 ( im using a thunder bolt>firewire 800 adapter)

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MacBook :: How To Get System Profile In Target Disk Mode

Jul 30, 2009

I need to get an iBook G3's system profile (CPU speed, memory, drive config., etc.), but have no video (black screen). Hard drive is ok. Can this be done in Target Disk Mode somehow? I have NO external monitor.

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MacBook :: No FireWire Cable For Target Disk Mode

Aug 31, 2014

I have an original MacBook1,1 running Snow Leopard 10.6.8. It will not start up, I have tried everything on this Apple web page , Mac OS X: Gray screen appears during startup, besides an erase and reinstall and I don't know what to do. It won't read the Snow Leopard update disk (My other two Macs do). When I restart In Verbose Mode, it always stops right after 'Airport: RSN handshake complete on en1'. When i started my other Mac in Verbose Mode, after 'Airport: RSN handshake complete on en1', it went straight to the login window. I called Apple support and they said that I need to perform an erase and reinstall but first I need to get an install disk for Mac OS X Tiger 10.4. and get some things off using Target Disk Mode. I do not have a FireWire cable and do not want to have to go and buy one. I have an Ethernet cable and a male - male USB cord. The two other Macs that I have are an iMac7,1 running Snow Leopard 10.6.8, and a MacBook6,1 running Mavericks 10.9.4.

Info:
MacBook, Mac OS X (10.6.8)

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MacBook Pro :: Migration Via Thunderbolt - Target Disk Mode?

Dec 4, 2014

I'm migrating from a MacBook Air (mid 2013) to a new MacBook Pro and both have Thunderbolt. Do I put the MacBook Air in Target Disk Mode? I did at first but the device did not show up in Migration Assistant on the MacBook Pro.

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MacBook Pro :: Screen Went Black And Also Not Showing Up In Target Mode

Sep 9, 2014

My screen went black after sleep and now I can't do anything anymore. I restarted a few times, tried to start from backup (USB) and also to mount in target mode via another computer, but nothing is working. I first thought the graphics card had gone, but that doesn't seem to be the case now as it's not showing via firewire. The computer is on as I can hear the drive spinning. it woul 

Nothing particular happened beforehand. It worked fine, although a bit sluggish earlier. I do maintenance quite regularly and it has been fine, except that the battery needs replacing. 

Info:
MacBook Pro, Mac OS X (10.7.5)

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MacBook :: Open It In Target Mode But Freezes At Startup Screen?

May 20, 2012

I recently had to replace my old mackbook with a mackbook pro. I need to recover some data from the old macbook but target mode isn't working. It keeps freezing at the apple start up (grey) screen.

Info:
MacBook

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