To get the latest features and maintain the security, stability, compatibility, and performance of your Mac, it's important to keep your software up to date. Apple recommends that you always use the latest macOS that is compatible with your Mac.
- Macbook Pro Will Not Download Sierra Says Unavailable Password
- Macbook Pro Will Not Download Sierra Says Unavailable Support
- Macbook Pro Will Not Download Sierra Says Unavailable Calls
Learn how to upgrade to macOS Big Sur, the latest version of macOS.
Check compatibility
I have a Mac that I've tried binding to our domain, but when I try and sign in with a new AD account it says 'Network accounts are unavailable' with a red dot next the box to enter the username. I've tried unbinding and binding again through System Preferences and through the terminal with absolutely no luck. Download macOS Sierra Final from the Mac App Store Today. Staying true to its promise, Apple has released macOS Sierra final build on the Mac App Store for download. Like previous versions of its. This article provides you effective methods to help you fix the macOS High Sierra including the latest macOS 10.13.4 update failure, stuck or installation problem without losing any data. If you cannot download or get stuck while installing macOS 10.13 or 10.13.4 High Sierra on your Mac computer, just follow to get problems fixed right now. There are a few reasons why you might want to download and install old versions of Mac OS X or macOS. Perhaps you are relying on software you have discovered doesn't work properly in the newest.
If a macOS installer can't be used on your Mac, the installer will let you know. For example, it might say that your Mac doesn't have enough free storage space for the installation, or that the installer is too old to be opened on this version of macOS.
If you want to check compatibility before downloading the installer, learn about the minimum requirements for macOS Catalina, Mojave, High Sierra, Sierra, El Capitan, or Yosemite. You can also check compatible operating systems on the product-ID page for MacBook Pro, MacBook Air, MacBook, iMac, Mac mini, or Mac Pro.
Make a backup
Before installing, 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.
Download macOS
It takes time to download and install macOS, so make sure that you're plugged into AC power and have a reliable internet connection.
Macbook Pro Will Not Download Sierra Says Unavailable Password
These installers from the App Store open automatically after you download them:
- macOS Catalina 10.15 can upgrade Mojave, High Sierra, Sierra, El Capitan, Yosemite, Mavericks
- macOS Mojave 10.14 can upgrade High Sierra, Sierra, El Capitan, Yosemite, Mavericks, Mountain Lion
- macOS High Sierra 10.13 can upgrade Sierra, El Capitan, Yosemite, Mavericks, Mountain Lion, Lion
Your web browser downloads the following older installers as a disk image named InstallOS.dmg or InstallMacOSX.dmg. Open the disk image, then open the .pkg installer inside the disk image. It installs an app named Install [Version Name]. Open that app from your Applications folder to begin installing the operating system.
- macOS Sierra 10.12 can upgrade El Capitan, Yosemite, Mavericks, Mountain Lion, or Lion
- OS X El Capitan 10.11 can upgrade Yosemite, Mavericks, Mountain Lion, Lion, or Snow Leopard
- OS X Yosemite 10.10can upgrade Mavericks, Mountain Lion, Lion, or Snow Leopard
Install macOS
Follow the onscreen instructions in the installer. It might be easiest to begin installation in the evening so that it can complete overnight, if needed.
If the installer asks for permission to install a helper tool, enter the administrator name and password that you use to log in to your Mac, then click Add Helper.
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.
Macbook Pro Will Not Download Sierra Says Unavailable Support
Learn more
You might also be able to use macOS Recovery to reinstall the macOS you're using now, upgrade to the latest compatible macOS, or install the macOS that came with your Mac.
Bluetooth makes life so easy. A lot is riding on it like Continuity, Handoff, file sharing, wireless keyboard, mouse, and AirPods. At times, on your Mac, you may see a Bluetooth Not Available message.
There are no fixed causes for the occurrence of this error. Chances are, it may be because you haven’t restarted your Mac in a while, or an external connected Bluetooth device is misbehaving, or macOS has a bug. Whatever be the reason, we have find the solutions to fix Bluetooth Not Available Error on Mac. Let’s move on…
Reboot your Mac
Most of the times a rebooting a Mac helps to fix the Bluetooth issue. When you use your Mac for an extended period with shutting it down and connect multiple devices and peripherals, there are chances your Mac starts to show some small glitches.
Restart your Bluetooth Device in macOS
If Mac’s reboot does not help, it is time to check your Bluetooth device’s battery percentage and then restart it. For AirPods, you may keep it in the charging case, and to restart other Bluetooth devices, please follow its standard procedure.
Disable and Enable Bluetooth on Mac
If you are not able to turn off Bluetooth from the menu bar,
- Click on System Preferences.
- Click on Bluetooth.
- Turn Bluetooth Off.
- After a minute, switch it back ON
Eject all USB Devices Connected to Mac
A quick hack to fix Bluetooth error is to physically remove all USB devices that are connected to your Mac.
After disconnecting USB keyboards, mice, pen-drives, etc. wait for a minute or two and try to use Bluetooth again.
Remove .plist Files on Mac
- Quit System Preferences and any app that is running on Mac and which was trying to establish a connection with Bluetooth
- From Finder, press together Command (⌘) + Shift ⇧ + G
- It will launch “Go to Folder” and over there, type (or copy-paste) this address
/Library/Preferences/and click on Go.Pro Tip: From Finder, you may also click on Go from the menu bar and press the Option key. You will see Library. Click on it and then click on Preferences. - Search for the file with an extension of “com.apple.Bluetooth.plist” and delete it. If there are other files with the same extension, remove them too.
- Follow step #3 and now search for
~/Library/Preferences/ByHostand click on Go. Now, locate and delete the file(s) named: com.apple.Bluetooth.xxxxxx (xxxxx = random numbers)Pro Tip: Inside the Preferences folder (for step 4 and 5 above), you may type Bluetooth in the search bar, then click on Preferences (or ByHost) next to This Mac, and you will see .plist files. Delete them. - After you follow the above steps, restart your Mac. Worry not, as macOS will automatically recreate the deleted .plist files
After restart, your Bluetooth issues will be fixed.
Reset Mac’s Bluetooth Module
- Press together Shift ⇧ + Option (⌥), and without leaving the key, click on the Bluetooth icon in Mac’s menu bar
- Place your mouse pointer on Debug and click on Remove all devices → Remove.
- Follow step #1 again. From Debug, click on Reset the Bluetooth module → OK.
- Restart your Mac
This will fix Bluetooth not available error. But in case it does not, maybe the problem lies with your connected Bluetooth devices. In that case, you may factory reset all connected Apple devices from the Debug option.
Reset SMC
If you are having problems after following the above method, you can try to reset your SMC (System Management Controller). It works differently for different kinds of Macs. Here is our step by step guide on how to reset SMC on Mac.
Update macOS to Latest Version
To update your Mac click on the Apple Logo → System Preferences → Software Update.
Signing Off…
I am hopeful that one of the methods listed above fixed your issue. If not, the last thing you may try is to factory reset your Mac. However, if you feel perplexed to do so, buy a hard drive, back up your Mac, and contact Apple Support or visit an Apple Store to get things fixed.
You may like…
The founder of iGeeksBlog, Dhvanesh, is an Apple aficionado, who cannot stand even a slight innuendo about Apple products. He dons the cap of editor-in-chief to make sure that articles match the quality standard before they are published.
Macbook Pro Will Not Download Sierra Says Unavailable Calls
- https://www.igeeksblog.com/author/dhvanesh/
- https://www.igeeksblog.com/author/dhvanesh/
- https://www.igeeksblog.com/author/dhvanesh/
- https://www.igeeksblog.com/author/dhvanesh/