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To verify that the firewall is the cause, temporarily disable it if it is safe to do so. If disabling the firewall allows licenses to be checked out, you will need to allow the MLM and LMGRD to pass through. It is possible to create program-based exceptions to the firewall in Windows and OS X allowing any port from the MLM vendor daemon. Mar 12, 2019 Adding the.app File for macOS to Composer. Composer packages the.app file so you can cache and install it using policies. Open Composer and authenticate locally. Drag the.app file into a folder in Composer. Select the.app file from the Sources list in the sidebar. In the toolbar, click Build as PKG. Oct 12, 2019 The Disk Utility app in macOS Catalina shows that Macintosh HD is the read-only system volume and Macintosh HD - Data contains the the rest of your files and data. If you upgrade to macOS Catalina from an earlier version of macOS, the read-only volume is created during the upgrade process.
Few things are as frustrating as trying to start your Mac and ending up with the dreaded Mac folder with a question mark. You’ve probably tried using keyboard shortcuts like CTRL+R, CTRL+Option+R, or Shift+CTRL+Option+R, but you still get the flashing folder icon on startup.
While this may strike fear into your heart as a Mac user, there are known causes for it, and tried and tested solutions that will help you get your Mac back to normalcy.
Follow along to find out why you’re getting the folder with the question mark in the middle of the screen, and how you can resolve the problem. While this is issue is more prevalent among older Macs, we shall try to address the same for new Mac models as well.
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Click here to see our macbook articles pageCauses of Flashing Mac Folder with Question Mark
There are several reasons why the folder with a question mark appears on your Mac’s screen:
- Your Mac can’t find a bootable volume. That means it can’t find its startup disk, so it can’t boot or start up. Probably you previously started up your Mac from an external disk and later unplugged it, or its hard drive just failed terribly, so it’s having trouble locating its system folder or boot directory.
- Corrupt macOS.
- Corrupt system files.
- Hard disk drive has failed catastrophically.
- The external disk you boot from may be off or disconnected.
- The ribbon cable connecting the drive to the motherboard may be damaged. This cable sits between the bottom case and optical drive, and if the case has indentations in the same area, the cable may be the problem.
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Read MoreBoot Your Mac From an Install DVD (For Older Macs)
This process forces your Mac to boot from the install DVD placed in the optical drive. For that, you must follow these steps:
Step 1: Place the install DVD that came with your Mac in the optical drive and reboot. You can use that disc, or if you have a later macOS version, use a newer disc for the same purpose.
Chromecast app store mac. Step 2: Once you hear the boot chime, hold down C key on your keyboard or the Option key until you see the Install Disk or Apple logo show up.
Note: Boot from the recovery partition if you’re on 10.7 Lion, 10.8 Mountain Lion or 10.9 Mavericks, and then repair the OS 10.7 or 10.8 partition using Disk Utility.Failed To Create Folder Applications Matlab_r2019b.app Macos Bootable
Step 3: When your Mac starts up, choose the language you’ll use, press Return on your keyboard, and an Installation window will open. Ignore this window and click Utilities and then click Disk Utility.
Step 4: If you see your hard disk on the list, click your macOS partition for the hard drive, and then select First Aid tab.
Step 5: Next, run Repair Disk. To enable this button, click on your hard drive’s macOS partition. If this fixes any issues, run it all over again until you see the green OK, and then run Repair Permissions. https://apdfjym.weebly.com/blog/mac-apps-on-dock.
Step 6: Finally, use the Startup Disk to select your hard drive to restart your Mac from the hard drive. If it’s not recognized under Disk Utility, it’s probably dead.
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Read MorePut Your Mac in Recovery Mode
If you’re trying to boot from your Mac’s internal drive, you need to shut down the computer and then start it up while holding down Command+R keys until the globe or Apple logo appears. That will put your Mac in Recovery Mode, and then you can change the startup disk by selecting the option from the Apple Menu.
Recovery Mode comes handy when your Mac won’t boot normally because the startup disk is damaged or corrupted.
That could be caused by corrupt files or mild power surges you’re not aware of, but it fixes the issue without you having to go to extreme lengths, such as performing a reinstall of your macOS.
Note: You can boot using an external Mac startup disk or bootable installer if macOS Recovery doesn’t work.Replace the Disk
If the Mac folder with a question mark appears because of your disk has failed, the only thing you can do is to replace the disk and use the time capsule or another backup device you’ve been using to recover your data to the new disk.
Backup Data and Reinstall macOS
If Disk Utility can’t repair your startup disk, you may have to reformat it. Before doing that, take a backup of any important data from the disk before erasing everything stored on it. You can take the steps below to take a backup of your data to an external drive if you don’t have a recent data backup for your startup disk:
Step 1: Connect an external drive that’s similar in size or larger than your startup disk. Erase the external drive using macOS Recovery and then install macOS to it. Select the external disk that you want to erase, not your startup disk.
Step 2: Once macOS is installed, your Mac will restart automatically from the external drive. When you see the Setup Assistant, choose the option you want to use to move data from another disk, and select the startup disk on your Mac as the source from which to migrate data.
Step 3: After migration, follow the setup assistant instructions to the end, and when you see your desktop, confirm that all your data is present on the external drive.
Step 4: Erase your startup disk using macOS Recovery and reinstall macOS (don’t select your external drive). After erasing the disk and installing macOS, your Mac will restart automatically, and the setup assistant will appear. Copy your data to your startup disk by selecting the option to migrate data from a Time Machine backup or another disk, in this case your external drive.
Note: If you can’t erase the startup disk or reinstall macOS, take your Mac for repair to an Apple Genius or authorized service provider.Get Your Mac Back
We hope you now know what to do when you find the flashing Mac folder with a question mark on your screen. Try the fixes above and let us know what worked for you.
Next up:Want to reduce boot time for your Windows PC? Our next article shows you how to do that using Quick Startup.
The above article may contain affiliate links which help support Guiding Tech. However, it does not affect our editorial integrity. The content remains unbiased and authentic.
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These advanced steps are primarily for system administrators and others who are familiar with the command line. You don't need a bootable installer to upgrade macOS or reinstall macOS, but it can be useful when you want to install on multiple computers without downloading the installer each time.
Download macOS
Find the appropriate download link in the upgrade instructions for each macOS version:
macOS Catalina, macOS MojaveormacOS High Sierra
Installers for each of these macOS versions download directly to your Applications folder as an app named Install macOS Catalina, Install macOS Mojave, or Install macOS High Sierra. If the installer opens after downloading, quit it without continuing installation. Important: To get the correct installer, download from a Mac that is using macOS Sierra 10.12.5 or later, or El Capitan 10.11.6. Enterprise administrators, please download from Apple, not a locally hosted software-update server.
Installers for each of these macOS versions download directly to your Applications folder as an app named Install macOS Catalina, Install macOS Mojave, or Install macOS High Sierra. If the installer opens after downloading, quit it without continuing installation. Important: To get the correct installer, download from a Mac that is using macOS Sierra 10.12.5 or later, or El Capitan 10.11.6. Enterprise administrators, please download from Apple, not a locally hosted software-update server.
OS X El Capitan
El Capitan downloads as a disk image. On a Mac that is compatible with El Capitan, open the disk image and run the installer within, named InstallMacOSX.pkg. It installs an app named Install OS X El Capitan into your Applications folder. You will create the bootable installer from this app, not from the disk image or .pkg installer.
El Capitan downloads as a disk image. On a Mac that is compatible with El Capitan, open the disk image and run the installer within, named InstallMacOSX.pkg. It installs an app named Install OS X El Capitan into your Applications folder. You will create the bootable installer from this app, not from the disk image or .pkg installer.
Use the 'createinstallmedia' command in Terminal
- Connect the USB flash drive or other volume that you're using for the bootable installer. Make sure that it has at least 12GB of available storage and is formatted as Mac OS Extended.
- Open Terminal, which is in the Utilities folder of your Applications folder.
- Type or paste one of the following commands in Terminal. These assume that the installer is still in your Applications folder, and MyVolume is the name of the USB flash drive or other volume you're using. If it has a different name, replace
MyVolume
in these commands with the name of your volume.
Catalina:*
Mojave:*
High Sierra:*
El Capitan: - Press Return after typing the command.
- When prompted, type your administrator password and press Return again. Terminal doesn't show any characters as you type your password.
- When prompted, type
Y
to confirm that you want to erase the volume, then press Return. Terminal shows the progress as the bootable installer is created. - When Terminal says that it's done, the volume will have the same name as the installer you downloaded, such as Install macOS Catalina. You can now quit Terminal and eject the volume.
* If your Mac is using macOS Sierra or earlier, include the
--applicationpath
argument, similar to the way this argument is used in the command for El Capitan.Use the bootable installer
After creating the bootable installer, follow these steps to use it:
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- Plug the bootable installer into a compatible Mac.
- Use Startup Manager or Startup Disk preferences to select the bootable installer as the startup disk, then start up from it. Your Mac will start up to macOS Recovery.
Learn about selecting a startup disk, including what to do if your Mac doesn't start up from it. - Choose your language, if prompted.
- A bootable installer doesn't download macOS from the Internet, but it does require the Internet to get information specific to your Mac model, such as firmware updates. If you need to connect to a Wi-Fi network, use the Wi-Fi menu in the menu bar.
- Select Install macOS (or Install OS X) from the Utilities window, then click Continue and follow the onscreen instructions.
Learn more
For more information about the
createinstallmedia
command and the arguments that you can use with it, make sure that the macOS installer is in your Applications folder, then enter this path in Terminal:Asp Create Folder
Catalina:
Failed To Create Folder Applications Matlab_r2019b.app Macos Download
Mojave:
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High Sierra:
Failed To Create Folder Applications Matlab_r2019b.app Macos High Sierra
El Capitan: