disk is locked mac os sierra?
241576
['Power it down.', 'Hold down Option-Command-R while powering on; you can let go once you see the progress bar. ... ', 'When the recovery window opens, go to Disk Utility. ... ', 'Choose Erase. ... ', 'Exit disk utility, then reinstall High Sierra.']
1444339
Just hold down shift + option + command + r while starting up the iMac and you will see a spinning globe. Hit reinstall macOS and you will see an older version of the os.
855245
['Restart your Mac. ... ', 'While it is restarting, press and hold the Command + R keys until you see the Apple logo. ... ', 'Go to the Apple Menu at the top and click Utilities. ... ', 'Then click Terminal.', 'Type “resetpassword” in the terminal window. ... ', 'Then hit Enter. ... ', 'Type your password and a hint.']
1437732
['Press "Win + R", type cmd to open "Command Prompt".', 'Type diskpart and hit Enter.', 'Type list disk and hit Enter.', 'Type select disk 0 (Replace 0 with the write-protected device number) and hit Enter.', 'Type attributes disk clear readonly and hit Enter.']
806279
['On your Mac, choose Apple menu > System Preferences, then click Users & Groups. ... ', 'Click the lock icon to unlock it.', 'Enter an administrator name and password. ... ', 'Select the user account on the left, then click the picture on the right.']
848050
['Check whether the drive is properly plugged in. ... ', 'Faulty cable. ... ', 'Damaged USB or flash drive port. ... ', 'Reboot your Mac. ... ', 'Incorrectly formatted drive. ... ', 'Mac not formatted to display external drives on the desktop. ... ', 'Reset NVRAM. ... ', "Check Apple's Disk Utility to see if an external drive is showing up."]
1310215
Select your startup drive on the left (typically Macintosh HD), switch to the Erase tab and choose Mac OS Extended (Journaled) from the Format drop-down menu. Select Erase and then confirm your choice. Quit out of the Disk Utility app, and this time choose Reinstall OS X and Continue.
724275
Just hold down shift + option + command + r while starting up the iMac and you will see a spinning globe. Hit reinstall macOS and you will see an older version of the os. I will try to take a test with Discutility,on you Mac first, before I thing to make a recovery? Regards Claus.
801712
It was announced at WWDC 2019 on June 3, 2019, and was released to the public on October 7, 2019. Catalina is the first version of macOS to support only 64-bit applications and the first to include Activation Lock.
660938
['Choose Apple menu > System Preferences.', 'Click Users & Groups.', 'Click the lock icon to unlock it, then enter an administrator name and password.', 'Select a standard user or managed user in the list of users, then select “Allow user to administer this computer.”']
12589
Yes, exFat formatted devices can be read and write on macOS High Sierra without any issue. If you're looking for better cross compatibility in both windows and mac exFat is the best solution.
806031
I can confirm that WD Security is installable AND does work on MacOS Catalina on MacBook Pro (late 2014) models! Install WD security and run the app. When prompted, plugin your Passport. It will then prompt you to enter your Passport password.
1425751
['Download and install Disk Drill for Mac. ... ', 'Connect any external storage devices that contained lost photos.', 'Launch the program and select your disk from the displayed list.', 'Click Recover to scan for lost data.', 'Preview the files that can be recovered and make your selections.']
970130
['Start Applications > Utilities > Disk Utility. ... ', 'Insert a blank CD or DVD disc into the Mac CD/DVD drive. ... ', 'Drag the *. ... ', 'Select the *. ... ', 'In the Burn Disc In: window, click Burn.']
1285254
['Plug the USB flash drive directly into an available USB port. ... ', 'Double-click your Macintosh HD (Hard Drive) icon to open it.', 'Select files you want to drag over.']
361506
If you can't log out a user: Log in as that user, then try to eject the disc again. If you can restart your computer to eject the disk: Choose Apple menu > Restart, then click Restart while pressing and holding the mouse or trackpad button until the disc is ejected.
445276
If your Mac starts up to a question mark. ... Press and hold the power button on your Mac for up to 10 seconds, until your Mac turns off. Turn on your Mac and immediately press and hold Command (⌘) and R to start up from macOS Recovery. While in macOS Recovery, use Disk Utility to repair your startup disk.