Choose Apple menu > System Preferences, then click Keyboard. If ”Use F1, F2, etc. keys as standard function keys” is selected, target display mode uses Command-Fn-F2 instead of Command-F2. It might also help to use the keyboard that came with your iMac.
Also know, does iMac support Target display Mode? According to 9to5 Mac, Target Display Mode was last supported in the mid-2014 iMacs and has since been discontinued.
Beside the above, how do I start my Mac from an external monitor?
- Connect your monitor and Mac and open System Preferences > Displays.
- Press the Alt/option key. This should make the Detect Displays button appear.
- Click on Detect Displays. This should cause your Mac to see the external monitor.
Similarly, can I use my old iMac as a monitor? Connect the two Macs with either a Mini DisplayPort cable or a Thunderbolt cable. The connection typically happens automatically, but if your iMac doesn’t automatically enter Target Display Mode, press Command+F2 on the iMac to manually enter Target Display Mode. The iMac displays the screen contents of the source Mac.
Likewise, how can I activate the Target display mode on my iMac without having a keyboard? For example, if you plug your MacBook into your iMac via Thunderbolt, this extention will automatically switch the iMac to Target Display Mode, allowing you to use your iMac as a monitor.Sorry, it is NOT possible to use Target Display Mode with these Macs for the following reasons: Macs newer than 2019 are not supported. macOS Big Sur on the output Mac is not supported. macOS Catalina on the Target Mac is not supported.
Why is Target display Mode not working?
Here are some of the reasons why Target Display Mode is not working on MacBook Pro: Your iMac does not support TDM. Wrong cable or port used. The keyboard does not support Command + F2 or incorrect keyboard settings.
How do I log into my Mac without a monitor?
- On your Mac, choose Apple menu > System Preferences, click Users & Groups , then click Login Options. Open the Login Options pane for me.
- Click the “Automatic login” pop-up menu, then choose Off.
How do I use Target Disk Mode on Mac?
- If the computer is off, start it up while pressing and holding the T key.
- If the computer is on, choose Apple menu > System Preferences, click Startup Disk , then click Target Disk Mode.
What does command F1 do on a Mac?
If you use an external display with your Mac laptop, you can use Command-F1 in macOS Mojave to turn display mirroring on and off. Display mirroring is when your external monitor and laptop display show the same screen.
Why can’t I use my iMac as a monitor?
The iMac used as a display must have macOS High Sierra or earlier installed. The other Mac that you’re connecting it to must have been introduced in 2019 or earlier and have macOS Catalina or earlier installed. The cable connecting the two Mac computers must be a Thunderbolt or Thunderbolt 2 cable.
What does command-F2 do on a Mac?
Press Command-F2 (the increase brightness button on most Macs) on the keyboard of the iMac that you want to use as a display. After you press Command-F2, your iMac displays the desktop from the connected Mac.
Can I use my 2011 iMac as a monitor?
Your old iMac does not have a Mini Display port, it has a Thunderbolt Port. The Mini DP plug looks identical to and does fit in the thunderbolt port, but it will not function as a monitor connection. I’ve been searching all day for a thunderbolt 1 or 2 to thunderbolt 3 cable, but they don’t seem to exist.
Can iMac 2021 be used as a monitor?
Yes, you can technically use one external monitor with the M1 iMac to turn it into a dual monitor setup. The M1 iMac supports one external monitor (up to 6K resolution with up to a 60Hz refresh rate, just like the Apple Pro Display XDR), which is different from previous non-M1 iMacs.
How can I use my iMac as a monitor without command F2?
Solution 3: Command F2 Not Working On your iMac, go to Keyboard System Preferences and see if “Use all F1, F2, etc. keys as standard function keys” is checked. If it is, instead of Command-F2, press Command-Fn-F2 to enter Target Display Mode. Log the iMac you want to use as a display out to return to the login window.
What is command F2 on Windows keyboard?
Windows Key – F2 is the direct translation on a Windows keyboard for Command – F2, so that’s strange that it doesn’t work. Is everything completely within specifications, as outlined here: http://support.apple.com/kb/ht3924. Namely, a male-to-male mini DisplayPort to mini DisplayPort cable (with no adapters in-between …
Can you use an iMac as a monitor Big Sur?
Nope. M1 Macs have lost their compatibility with older Target Display Mode iMacs unfortunately. While officially Big Sur doesn’t support it at all, even on Intel, I’ve found that my Intel machines running Big Sur still support connecting to a TDM iMac.
Can I use my 2017 iMac as a monitor?
No. The last iMac to support Target Display Mode was the 2014 model. And even then, the iMac would need to be running High Sierra or earlier, and the Mac Studio would need to be on Catalina or earlier…which, obviously, is not possible.
Where is the F2 key on a Mac?
The first way uses the fn key to display the function keys. In the Keyboard preferences, click the Keyboard tab and then choose Press Fn Key to Show F1, F2 etc. Keys. This adds the function keys to the touch bar when the Fn key on the keyboard is pressed.
Does macOS Catalina support Target display Mode?
That is not true, because I have been using macOS Mojave on my 27″ iMac (2014, I believe, but might be “late 2013”), while running TDM on it for over a year. Since today it runs Catalina (10.15. 7) and still supports TDM.
What cables do I need for Target display Mode?
DisplayPort iMacs require a DisplayPort cable, though they can work with either DisplayPort or Thunderbolt Macs. Only get a Thunderbolt cable if you’re going to connect two ThunderBolt-equipped computers together, it won’t work for anything else.
