Change the USB-to-Mac connection way. Have you tried to restart your Mac once or twice? Sep 14, 2019 For best results, make sure your network drive (or shared computer) uses a wired connection to your router and, if possible, to your MacBook, too. You can buy a bare-bones NAS drive, like the Netgear ReadyNAS RN422, and then purchase hard drives separately, or you can opt for a ready-to-go solution, like the Western Digital My Cloud EX2.
Flash drive also called pen drives that basically used for exchanging data such movies, files, documents and some other kind of stuff. It was way to easily to move or copy files from computer to flash drive.
![Drive Drive](https://s2.glbimg.com/4oBl9jvxkM1kGE9H-SiGAkGAfcs=/850x446/s.glbimg.com/po/tt/f/original/2013/08/15/05-airusb-600x337.jpg)
You’ve probably know that flash drive was external device and when you connected it with your computer it comes with some virus that harmful for your computer system. But you can easily use scanning program to scan the flash drive to remove all harmful virus.
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So to remove unwanted stuff and viruses from flash drive you’ve to make it format using a flash drive formatting tools. If this article we demonstrate how you can format flash drive on mac.
Also Read : How To Delete Files From Flash Drive on Mac
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There are several applications available online for formatting USB drives such as 321Soft USB Flash Recovery for Mac ,Data Recovery for Mac, and Disk Drill . These third party tools allow to format flash drive on your mac.
But if want to format a flash drive without using third party tools then. In this case you can use disk utility program to format pen drive on mac.
Step 1 :
Connect your Flash Drive with mac through USB port
Step 2 :
Macbook air 13 inch mid 2012 mojave. Now launch Disk Utility now move to Applications > Utility.
Step 3 :
When you located your flash drive name on left side panel, Click on it
Step 4 :
Go to Ease tab. Change ‘Format’ to ”Mac OS Extended (Journaled)”. After that named the device if you want to change the name of the your flash drive.
Step 5 :
In this final step Click on the Ease button to conform you want to format the device.
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:
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macOS Catalina, macOS Mojave, ormacOS 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
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After creating the bootable installer, follow these steps to use it:
- 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:Catalina:
Mojave:
High Sierra:
El Capitan: