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WILL NOT OPEN OS X UTILITIES MAC OS X
Duplicating this issue on all versions of Mac OS X On the other hand, if you are trying to access Disk Utility from Recovery Mode or Single User Mode and still can’t do it even though your computer was able to start up correctly, read on the next section below.
WILL NOT OPEN OS X UTILITIES HOW TO
If you are still unable to boot macOS High Sierra, make sure you read our guide about how to fix a booting problem for macOS. If you still have problems getting Disk Utility to load up properly, we will need to repair your Mac as it may be necessary to reinstall macOS completely. fsck stands for file system consistency check). It is part of the Mac’s Disk Utility tool that can check volumes/disks and repair them if need be, provided that they are not in use by any files. You can then run Disk Utility whenever needed ( FSCK is a command that is used to check the file system of a volume or disk for any inconsistencies.ħ. This will allow you to run Disk Utility without issues when booting into macOS normally (Cmd+R).Ħ. Now type in mount -uw / and press Enter again.ĥ. Keep holding Cmd+S until Terminal loads and appears onscreen.Ĥ. Then turn on the computer again but this time hold Cmd+S as soon as you hear the chime sound or see the screen turning white.ģ. First, switch off the computer by holding down on the power button until it shuts down completely.Ģ. Safe mode prevents some programs from opening until you are able to choose them yourself.ġ. Attempt running the Disk Utility in Safe modeīooting into safe mode could help you solve problems with your startup disk. When pressing Enter, Disk Utility should start loading normally. Now press Cmd+Q to close Terminal and return to Finder. After this step, you should see a new volume on your Desktop. In order to make the label case-sensitive, you have to add an exclamation mark before it.Ĩ. You can now continue with the following commands, which you will need to type one by one: diskutil partitionDisk /dev/ GPT JHFS+ 0g where: disk name is the designation of your disk as shown on this list above (in our case it is ” disk0 “), and after entering this line, press Enter volume name is a case-sensitive label for your volume (in our case it is ” Macintosh HD “, but make sure you do not enter a space between ‘Mac’ and ‘h’) after typing each command press Enter before typing the next, otherwise some of the commands might fail.ħ.
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By entering the root password, provided during installation of macOS/OS X, you will now be in the root command prompt.Ħ. We now need to enter Single User Mode by typing: ” sudo -s ” (note that this has to be typed using a lowercase ‘S’). In our specific example, as we have already mentioned above, we had an iMac with macOS High Sierra installed therefore we can see that our primary disk is called Macintosh HD and that its main partition is called “System”.ĥ. This will reveal all the different disks available on your computer, including their names and designations. Once in Recovery Mode, open Terminal and type the following command: “diskutil list”Ĥ. While this happens presss and hold Command+R as it boots allows you to boot from Recovery Mode.ģ. Select “Restart” from this dropdown menu, then click directly on “Restart.”Ģ. Click the Apple Menu icon located at the top left corner of your macOS screen. This can be fixed by following the instructions available in this article.
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In our specific case, if you are unable to access Disk Utility on macOS High Sierra, it is most likely due to the fact that your Startup Disk has not been set correctly. In any case, make sure that you have booted your Mac from its actual operating system before proceeding with any other actions below. The Disk Utility app can either be used from Recovery Mode or Single User Mode, depending on whether your computer has been set up correctly or not during initial installation. This application does not exist in all versions of macOS, even though it seems to be present by default on most of them. The macOS Disk Utility is a tool that allows you to manage disks and volumes in a graphical manner. The following article focuses on providing several solutions for this problem to resolve the situation.
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Is disk utility is not loading on Apple macOS? Don’t worry you are not alone!