MAC STUCK ON LOADING SCREEN MACStart your Mac and immediately Press and hold Command + R on the keyboard.In the sidebar, select the disk you want to repair.Select View and then click on Show All Devices.Start your Mac and press and hold the Command and R keys until the Apple logo appears, then release the keys.Repair Disk Using Disk Utility on Your Mac Hold the keys down till the Mac reboots and you hear a beeping sound.After few seconds start the Mac and press and hold Option, Command, P and R keys on the keyboard together.Wait for 10 seconds and start your Mac.Press the power button again to turn on your Mac.Hold these keys and the power button for 10-15 seconds. Once Mac shuts down, press and hold the Shift-Control-Option on the left side of the built-in keyboard, then press the power button at the same time.Press and hold the power button to shut down your Mac.You can click Restart or press R to restart your Mac.It will automatically start the test, it may take a few minutes to complete the test, once the test completes it will provide you reference codes and let you know if there is any hardware failure. Keep holding the D key until you see choose your language screen. Start your Mac and immediately press and hold the letter D key on the keyboard.Plug out all the external devices except mouse, keyboard, Ethernet cable, and AC power connection.To run a hardware test, do the following: A bad hardware component may be responsible for no boot issue. Run built-in Apple Diagnostics on your Mac. It’s good to know if there is any hardware failure on your Mac. Most of the time performing power cycle fixes the issue. Plug in the power cable and battery back and restart your Mac. In case of Macbook remove the battery if you can, press and hold the power button on the Mac for 10-15 seconds without the battery and the power cable to discharge all the static electricity from the Mac. Unplug the power cable and shut down your Mac. Unplug all the external devices apart from Mouse and keyboard in case of the desktop. Fix Erratic, Jumping, Phantom, Dancing Mouse Cursor Issue on Mac. MAC STUCK ON LOADING SCREEN HOW TO
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