Open Terminal: In Spotlight, the search magnifying glass at the upper right corner of your screen, search for Terminal, and press enter to open the Terminal app. We will at least get some sort of useful error message to go on if it still fails: Try mounting the DMG on the command line in Terminal.
Apparently there is an issue sometimes after opening too many dmg files, that is fixed with a reboot. Reboot your Mac if you haven't already tried that. (There's an example of that in my screenshot below.)
Msg reader for mac book air download#
Or if you don't need to be logged in to the site to download the file and you want to be fancy, you can try curl -O url in Terminal to download the file. You can try downloading the file in a different browser as well. If possible, try downloading the dmg again, turning off any download assistant plug-ins you may have. In most cases, the downloaded dmg file is actually corrupt or had an error downloading. If you see the "no mountable file systems error" while opening a dmg, here's what you should try: The error was as the screenshot above shows trying to open a dmg (disk image), macOS showed the error "no mountable file systems". I didn't find a lot of good search results addressing the issue, so I decided to write up a post about it myself.
If you don’t see iChat or Messages plists, change the display to sort by list, then click the “Date Modified” option to sort the plist files by when they change.From the Finder, hit Command+Shift+G to bring up Go To Folder and enter ~/Library/Preferences/.Sometimes they can get glitchy and have to be deleted, so a proper list can automatically replace them. It contains properties and configuration settings for various apps. A plist file is a settings file, also known as a “properties file,” used by macOS applications.
Note: If the option to lock your “login” Keychain is grayed out, check its settings in ‘Edit > Change Settings for Keychain “login”…’Īnd here’s one more thing to try before contacting Apple’s tech support: delete some plist files.
Msg reader for mac book air password#
Enter the administrator password on your Mac and click OK.Wait a couple of minutes, then go to ‘File > Unlock Keychain “login.”’.From the menu bar, go to ‘File > Lock Keychain “login.”’.Hit enter to open the Keychain Access app. Press Command + Space to open Spotlight and search for the Keychain Access app.It could help to lock and unlock Keychain on your Mac. It’s very convenient, but some of its files can get corrupted, including those of Messages. If you’re still having problems, there are two final things to try.Īpple’s Keychain stores passwords and other vital info on your apps and certain processes. Try sending an iMessage or text message from your Mac again.Go into Text Message Forwarding and turn on the option for your Mac.Check to make sure the contact details in Send & Receive are correct.Turn on iMessage at the top of the page.Tap iCloud then turn on the option for Messages.Does the Apple ID account at the top of the page match what you signed into on your Mac? Great!
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