Try to start up from macOS Recovery

1. Office 2016 For Mac Login Whie Screen Recorder

If your Mac seems to be turned on but nothing appears on your display, determine whether you're using a Mac with Apple silicon, then follow the appropriate steps:

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Apple silicon

1. Press and hold the power button for about 10 seconds.
2. You should see the startup options window, which includes a gear icon labeled Options. Select Options, then click Continue.
3. If you never see the startup options window, release the power button, then press and hold it again for another 10 seconds. If the issue persists, please contact Apple Support.

Intel processor

1. Press and hold the power button for about 10 seconds.
2. Press and release the power button, then immediately press and hold Command (⌘)-R until you see an Apple logo or other image.
3. If you still see a blank screen after about 20 seconds, contact Apple Support.

Use Disk Utility to repair your startup disk

If your Mac successfully started up from macOS Recovery, you should see a utilities window that includes Disk Utility. Use Disk Utility to repair your startup disk.

If Disk Utility found no errors, reinstall macOS.

If Disk Utility found errors and repaired them, restart your Mac. If the issue returns after restarting, reinstall macOS.

If you still need help, please contact Apple Support.

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Symptoms

In Microsoft Outlook 2016 for Mac, you are repeatedly prompted for authentication while you're connected to your Office 365 account.

Cause

This issue occurs because of the presence of duplicate tokens in the keychain.

Resolution

To resolve this issue in Outlook 2016 for Mac, install the February 2017 Outlook update (version 15.31.0) from the following Office website:

Workaround

To work around this issue, delete any cached passwords for your account, and also delete any modern authentication tokens from the keychain. To do this, follow these steps.

Note

These steps affect all Office applications that use modern authentication.

Office 2016 For Mac Login Whie Screen Recorder

1. Quit Outlook and all other Office applications.

2. Start Keychain Access by using one of the following methods:

   • Select the Finder application, click Utilities on the Go menu, and then double-click Keychain Access.
   • In Spotlight Search, type Keychain Access, and then double-click Keychain Access in the search results.

3. In the search field in Keychain Access, enter Exchange.

4. In the search results, select each item to view the Account that's listed at the top, and then press Delete. Repeat this step to delete all items for your Exchange account.

5. In the search field, enter adal. Shapath serial full episodes.

6. Select all items whose type is MicrosoftOffice15_2_Data:ADAL:<GUID>, and then press Delete.

7. In the search field, enter office.

8. Select the items that are named Microsoft Office Identities Cache 2 and Microsoft Office Identities Settings 2, and then press Delete.

9. Quit Keychain Access.

   Note

   When you start Outlook, you are prompted to authenticate. Haynes workshop manual download.