The next normal startup may also be somewhat slow. Safe mode is much slower to start up and run than normal, with limited graphics performance, and some things won’t work at all, including sound output and Wi-Fi on certain models. Note: If FileVault is enabled, or if a firmware password is set, or if the startup volume is a Fusion Drive or a software RAID, you can’t do this. You must hold down the shift key twice: once when you turn on the computer, and again when you log in. Start up in safe mode and log in to the account with the problem.
The purpose of this step is to determine whether the problem is caused by third-party system modifications that load automatically at startup or login, by a peripheral device, by a font conflict, or by corruption of the file system or of certain system caches.ĭisconnect all wired peripherals except those needed for the test, and remove all aftermarket expansion cards, if applicable. Create a new account in which to test, and delete it, including its home folder, after testing. The “Guest User” login created by “Find My Mac” is not the same. *Note: If you’ve activated “Find My Mac” or FileVault, then you can’t enable the Guest account. Any files you created in the guest account will be deleted automatically when you log out of it. Same problem?Īfter testing, log out of the guest account and, in your own account, disable it if you wish.
If you need any passwords or other personal data in order to complete the test, memorize, print, or write them down before you begin. Applications will behave as if you were running them for the first time. While logged in as Guest, you won’t have access to any of your personal files or settings. Don't use the Safari-only “Guest User” login created by “Find My Mac.” The purpose of this step is to determine whether the problem is localized to your user account.Įnable guest logins* and log in as Guest. Don’t be disappointed when you find that nothing has changed after you complete it. This procedure is a test, not a solution. Please read this whole message before doing anything. Thread 0 Crashed:: Dispatch queue: -threadĪnd then comes a huge list of memory dump data.
When network is down, it can work normally for several minutes, but sometimes it crashes too. Every time I start my Kindle App in my MacBook Pro with network up it crashes after a few seconds.
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