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#HOW TO RESTART IMAC IN TARGET DISK MODE TO USE AS MONITOR HOW TO#
#HOW TO RESTART IMAC IN TARGET DISK MODE TO USE AS MONITOR MAC OS X#
#HOW TO RESTART IMAC IN TARGET DISK MODE TO USE AS MONITOR SERIAL#
#HOW TO RESTART IMAC IN TARGET DISK MODE TO USE AS MONITOR PRO#

Wait for 15 seconds, then plug in the power cord again.

Shut down your iMac then unplug from power.

If you noticed the screen blinking or turning on and off after pressing Command + F2, you might need to reset your iMac’s SMC. In some iMacs, the SMC is responsible for choosing the external video source for the device.

Close the settings window, then try pressing Command + F2 again.

On the iMac you are using as the external display, click the Apple logo.

To check your keyboard settings, follow these steps: You’ll have to press Command + Fn + F2 instead. keys as standard function keys is ticked off under your keyboard settings, the default command will not work. The default shortcut for TDM is Command + F2. If the cables are fine and your iMac model supports Target Display Mode, the next thing you need to check is your keyboard. Use a different cable and try plugging it into a different port to check which one is the culprit. If Target Display Mode is still not working after using the correct cables and ports, you might want to check if any of them is faulty.

For iMacs released 2011 until 2014, you need to use a Thunderbolt cable and plug it into the corresponding Thunderbolt port on your Mac. If your iMac was released from late 2009 until 2010, you need to use a Mini DisplayPort to Mini DisplayPort cable, which you can connect to the Mini DisplayPort or Thunderbolt port of your MacBook. Make sure you have the right cable connected to the right port, otherwise it will not work. Method 2: Check Your Connection.Īs mentioned above, you can use two cables to connect your iMac to your Mac: the Mini DisplayPort to Mini DisplayPort cable and the Thunderbolt cable. If your iMac’s model is not on the list, there’s nothing you can do except to look for a different iMac that supports TDM.

#HOW TO RESTART IMAC IN TARGET DISK MODE TO USE AS MONITOR SERIAL#

A window will appear with all the information about the Mac you are using, including the model name, serial number, memory, and processor. To check your iMac version, click the Apple logo at the topmost left of the screen, then click About this Mac. Unfortunately, iMac Retina 5K, late 2014, and newer models can’t be used as external displays because the Thunderbolt 2 cable being used for TDM cannot support the new ultra high-resolution display.

Here’s a list of the versions capable of Target Display Mode: This means that only versions released after the 2009 iMac have TDM support.

#HOW TO RESTART IMAC IN TARGET DISK MODE TO USE AS MONITOR MAC OS X#

Target Display Mode was introduced with the release of the 27” 2009 iMacs installed with Mac OS X 10.6.1. Not all iMacs can be used as an external display. Method 1: Check if Your iMac Supports Target Display Mode.

#HOW TO RESTART IMAC IN TARGET DISK MODE TO USE AS MONITOR HOW TO#

Check out the solutions outlined below to figure out how to fix Target Display Mode. Knowing the cause of the problem makes troubleshooting easier. The keyboard does not support Command + F2 or incorrect keyboard settings.Here are some of the reasons why Target Display Mode is not working on MacBook Pro:

#HOW TO RESTART IMAC IN TARGET DISK MODE TO USE AS MONITOR PRO#

What to Do When MacBook Pro Target Display Mode Is Not Working You should now be able to use your iMac as your display. Connect the two devices using the Thunderbolt or Mini DisplayPort cable, then press Command + F2 on your iMac keyboard. To use TDM, turn on your iMac and log into your account. A Thunderbolt or a Mini DisplayPort to Mini DisplayPort cable.A MacBook Pro or any Mac device with a Mini DisplayPort or Thunderbolt port.Here are the things you need to be able to use Target Display Mode (TDM): How to Use Target Display Mode on MacBook Pro About Outbyte, uninstall instructions, EULA, Privacy Policy.