Explore our list of macOS Sierra (10.12) NOOK Books at Barnes & Noble®. Receive FREE shipping with your Barnes & Noble Membership. Jan 24, 2019 The macOS High Sierra 10.13.6 Update adds AirPlay 2 multiroom audio support for iTunes and improves the stability and security of your Mac. This update is recommended for all users.
Monolingual helps you free up disk space on a Mac by removing data the computer uses only when actively supporting other languages. Available at no cost, Monolingual is a small, easy-to-run program. Nook driver free download - Digidesign CoreAudio Driver, USB Audio ASIO driver, IOXperts USB WebCam Driver, and many more programs. Oct 13, 2016 CHAPTER 15: Sharing Your Mac and Liking It 273. Part 5: Getting Creative in macOS Sierra 307. CHAPTER 16: The Musical Mac 309. CHAPTER 17: The Multimedia Mac 327. CHAPTER 18: Words and Letters 343. CHAPTER 19: Publish or Perish: The Fail-Safe Guide to Printing 353. Part 6: The Care and Feeding of macOS Sierra 367. CHAPTER 20: Features for the.
Check compatibility
You can upgrade to macOS Sierra from OS X Lion or later on any of the following Mac models. Your Mac also needs at least 2GB of memory and 8.8GB of available storage space.
MacBook introduced in late 2009 or later
MacBook Air introduced in late 2010 or later
MacBook Pro introduced in mid 2010 or later
Mac mini introduced in mid 2010 or later
iMac introduced in late 2009 or later
Mac Pro introduced in mid 2010 or later
To find your Mac model, memory, storage space, and macOS version, choose About This Mac from the Apple menu . If your Mac isn't compatible with macOS Sierra, the installer will let you know.
Make a backup
Before installing any upgrade, it’s a good idea to back up your Mac. Time Machine makes it simple, and other backup methods are also available. Learn how to back up your Mac.
Get connected
It takes time to download and install macOS, so make sure that you have a reliable Internet connection. If you're using a Mac notebook computer, plug it into AC power.
Download macOS Sierra
For the strongest security and latest features, find out whether you can upgrade to macOS Catalina, the latest version of the Mac operating system.
If you still need macOS Sierra, use this link: Download macOS Sierra. A file named InstallOS.dmg will download to your Mac. /recuva-alternative-for-mac-os-x.html.
Install the macOS installer
Double-click the downloaded file to open a window showing its contents. Then double-click the file within, named InstallOS.pkg.
Follow the onscreen instructions, which will guide you through the steps necessary to install.
Begin installation
After installation of the installer is complete, open the Applications folder on your Mac, then double-click the file named Install macOS Sierra.
Click Continue and follow the onscreen instructions. You might find it easiest to begin installation in the evening so that it can complete overnight, if needed.
Allow installation to complete
Please allow installation to complete without putting your Mac to sleep or closing its lid. Your Mac might restart, show a progress bar, or show a blank screen several times as it installs both macOS and related updates to your Mac firmware.
Learn more
- If you have hardware or software that isn't compatible with macOS Sierra, you might be able to install the previous version, OS X El Capitan.
- macOS Sierra won't install on top of a later version of macOS, but you can erase your disk first or install on another disk.
- You can use macOS Recovery to reinstall macOS.
Summary: There are several reasons why your Mac won’t recognize external hard drive. If you are experiencing external hard drive not mounting in macOS Sierra or High Sierra, read on this post to get potential solutions to this problem. In addition, you can also learn how to recover lost external hard drive data on Mac computer.
You plug in your external hard drive to Mac computer and try to create a Time Machine backup, only to find it refuse to mount and doesn’t show up in Finder. You may feel very confused because everything seemed all right the last time you used it. Relax, you are not alone. There are a lot of users have the same issue of external hard drive not showing up in macOS Sierra or High Sierra. How to fix this issue? Here are several tricks you can try to troubleshoot external hard drive not mounting problem on Mac.
How to External Hard Drive Not Showing up in Sierra or High Sierra
1. Check your Finder preference
First of all, you need to make sure your Finder preference setting to correct. Go to Finder > Preferences > General and ensure that “Hard disks” and “External disks” are selected.
Mac Won’t Recognize External Hard Drive – How to Fix
2. Check the USB hub
Also need to make sure your external hard drive is plugged into the USB hub properly, or it may not receive enough power to mount. You can try connecting the drive to another USB hub or plug it into a self-powered USB hub.
3. Run Disk Utility
If your external hard drive doesn’t show up in Fifer, open Disk Utility to see if it appears here. Go to Finder > Applications > Utilities and run Disk Utility. Matlab download for mac os x. If your drive shows up here but isn’t mounted, click Mount. If your drive fails to mount, click First Aid to find and correct minor errors with your drive.
4. Install the latest drivers for your drive
If your Mac won’t recognize external hard drive after High Sierra update, the possible reason is that your drivers for external hard drive are not up to date. You can visit the related website to download and install the latest drivers for your drive.
5. Reset NVRAM
Resetting NVRAM (nonvolatile random-access memory) can be a general troubleshooting step for many Mac issues. To reset NVRAM, Shut down your Mac firstly. Next, turn on your Mac and immediately press these four keys together: Option, Command, P, and R. Hold those keys down until your Mac reboots again and you hear the second startup chime, then release the keys and let your Mac reboot normally.
Other External Hard Drive Problem on Mac
People usually back up important files to external hard drive to keep the files safe. But what if your external hard drive files get lost due to virus attack, accidental deletion, file system corruption or other reasons? If you unfortunately come across data loss with your external hard drive, you can use Stellar Stellar Phoenix Mac Data Recovery, an effective data recovery tool to help you salvage external hard drive files on Mac.
Worked on Mac computer, Stellar Phoenix Mac Data Recovery software is able to access and recover data from various storage devices and different file systems including HFS, HFS+, FAT, ex-FAT, or NTFS.
Here are steps to retrieve files from external hard drive with Stellar Phoenix Mac Data Recovery:
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Step 1. Install Stellar Phoenix Mac Data Recovery on your Mac and plug in your drive.
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Step 2. Open the software and select file types to recover. Then click Next to continue.
Step 3. Select your external storage device and click Scan.
How to Recover Lost Files from External Hard Drive on Mac
Step 4. After the scanning process completes, select the files you want to recover and click the Recover button to save the files to destination.
How to Recover Files from External Hard Drive on Mac
Note: The free trial version only supports scanning & previewing lost files in your external hard drive, to completely recover your files, you need to purchase the full version of Stellar Phoenix Mac Data Recovery. Buy it now >