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#Mac desktop screen keeps switching how to
#Mac desktop screen keeps switching for mac
#Mac desktop screen keeps switching install

Reinstall your computer’s original version of macOS from the Internet.

#Mac desktop screen keeps switching install

This will install the latest version of macOS, compatible with your Mac Press and hold Option-Command-R until you see a spinning ball next, release the keys.

Install the latest version of macOS from the Internet.

AS your Mac restarts, you can perform one of the following options:.

From the drop-down menu, click on Restart.

Click on the Apple menu from the top left corner on Mac.

When you reinstall the macOS, connect your Mac to the Internet. Reinstalling macOS keeps your files and user settings unharmed if you do it with Internet or install it from the recovery partition (hard drive or flash storage on Mac). If your Mac screen turns blue for long, you can repair your disk using Recovery Mode.

Finally, click on the Apple menu and Restart your Mac.ĭisk Utility can fix many problems like unexpected apps closure, corrupt files, malfunction of external devices, or computer does not startup.

Select all the Login items and then click on the Remove (-) button.

On this window, click on the account name under the Current User.

Click on the Apple menu and then open System Preferences.

These items could be reasons why you face Blue screen on your Mac. There are some apps that automatically open/appear when you start your Mac. Restart your Mac without pressing any keys to leave safe mode.

In case the startup disk is encrypted with FileVault, you may need to log in twice – to unlock the startup disk and to log in to the Finder. When the Apple logo appears on display, release the Shift key. For this purpose, press and hold the Shift key immediately after you start or restart your Mac. You can start or restart your Mac in safe mode. Next, restart your Mac and see if the Blue screen is still there. First, shut down your Mac and then unplug the peripherals. But wait! You are not supposed to pull them out in a hurry. When your Mac’s screen turns blue, disconnect all such peripherals attached to your Mac. Owners of this laptop had to rely on peripherals like USB-C hub or docking stations. Shutdown the Mac and Disconnect PeripheralsĪpple launched a 12-inch MacBook with a single port.

Shutdown the Mac and Disconnect Peripherals.

Anyway, following are the possible solutions to solve this issue. Some see a half blue screen, while others have noticed screen with lines.

#Mac desktop screen keeps switching for mac

Although it is a common scenario in the Windows realm, for Mac users, it happens once in a blue moon.ĭifferent users register the issue in myriad ways. The answer is a Blue Screen of Death (BSOD) with a spinning beach ball or colored pinwheel. Before jumping on the solutions, let’s understand the issue What Does the Blue Screen on Mac mean? So there is nothing to worry about as you can quickly fix this issue. The primary reason for blue screen is cited to a damaged or incompatible startup items of software. To recover the password, type 6 then enter.Although the blue screen on Mac is a rare phenomenon, many users get into a panic when they see it at startup. To factory reset the switch, type 2 then enter. Keep clicking any key on the keyboard to stop the autoboot and you will enter the BootUtil menu.Įnter the number of the appropriate feature. At the same time, you will notice that the switch screen will exit on its own because the switch is powered off and the USB connection is disconnected.īe sure to note that press the up arrow key “↑” immediately and the “screen MICRO_USB_PORT 38400” command you typed before will be copied then immediately press the “Enter” key to execute the command and a new CLI screen will be displayed. Then plug and unplug the power cord to reboot the switch. If you need to enter the BootUtil menu to reset the switch or clear the password, please continue below.įirst, please complete the two steps above to ensure your Mac can communicate with the switch. If you want to exit, press the “Ctrl” + “a” keys at the same time, then press “d” key to disconnect. Now you can manage the switch with CLI commands. Don’t forget that the “Tab” key can help auto-completion.Ĭlick the “Enter” key and a new screen will be displayed. Here we should use “screen /dev/tty.usbmodem141201 38400” for connection. Use screen command for connection, where 38400 indicates the bit rate. Here the port is “/dev/tty.usbmodem141201”. Then you will know the micro USB port used for terminal (tty) connection.

Enter the following commands in Terminal to connect. Go to “Launchpad”, search “Terminal”, then run it. Then use it to connect your Mac to the switch. Make sure your micro USB cable supports data transfer because some cables only support power supply.

#Mac desktop screen keeps switching how to

In this article, we will share how to manage the switch and enter the BootUtil menu to reset or clear the password with Mac via a micro USB cable.