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MACBOOK SOFTWARE UPDATE NOT WORKING HOW TO
MACBOOK SOFTWARE UPDATE NOT WORKING PC
MACBOOK SOFTWARE UPDATE NOT WORKING MAC

MACBOOK SOFTWARE UPDATE NOT WORKING HOW TO

Check how to reset SMC on iMac (opens new window). SMC is responsible for selecting an external video source for some iMac display.

MACBOOK SOFTWARE UPDATE NOT WORKING MAC

If after pressing Command-F2, iMac shows the screen of the other Mac but the screen blinks or goes off and on, try to reset SMC on iMac. So use the keyboard that came with the iMac that you want to use as an external display. Some third-party keyboards don't support Command-F2 to activate Target Display Mode. Log the iMac you want to use as a display out to return to the login window. If it is, instead of Command-F2, press Command-Fn-F2 to enter Target Display Mode. keys as standard function keys" is checked. On your iMac, go to Keyboard System Preferences and see if "Use all F1, F2, etc. Make sure you press Command-F2 on the keyboard of the iMac which is going to be used as the external display, instead of the primary Mac that you are mirroring screen from. If you press Command-F2 and nothing happens, you should: So if the primary MacBook is on the login screen, there won't be any change on the iMac screen when you press Command-F2 on the keyboard. The Mac, usually the MacBook, that you want to project screen to iMac, must be logged into a user account for Target Display Mode to work. Solution 2: Log Your MacBook in User Account Otherwise, iMac target Display Mode could not work. Make sure you have used the right cable to connect the compatible Macs via the right port. To use Target Display Mode on iMac released on Late 20, you need a Mini DisplayPort to Mini DisplayPort cable to connect the iMac to the Mini DisplayPort or Thunderbolt port of a MacBook for iMac released on 2011/2012/2013/2014, you need a Thunderbolt cable to plug into the Thunderbolt port on a MacBook. According to Apple, iMac models that can be used as an external monitor include: Not every iMac can be used as an external display, for example, 27-inch Retina 5K iMac and later model doesn't support Target Display Mode. Solution 1: Check If Your iMac Is Target Display Mode Supported

macOS software problem, which can be fixed by a macOS update.

Your keyboard doesn't support Command-F2 combination.

Your iMac is not logged into a user account or your iMac is currently starting up on Windows.

Your iMac or MacBook doesn't support Target Display Mode or the cable you are using is wrong or defective. Target Display Mode is not working probably because of the following reasons: How to Record Screen on Windows and Mac - Simple and Clear You may also want to record Mac screen, read:

MACBOOK SOFTWARE UPDATE NOT WORKING PC

IOS Screen Mirroring: Project iPhone Screen to PC

You may want to mirror iPhone to PC, read: You can also use iMac as a second display for Windows PC, read: