Click "Download apps in Sleep Mode."
Click "Later", and choose a convenient time to update app.
Click "Don't Ask Me Again", so the download apps reminders goes away.
Click "Close" and wait for another reminder.
Reinstall OS X using the Recovery System.
Replace the hard drive.
Erase the hard drive and then reinstall OS X.
Restart the machine and download the OS X Yosemite installer again,
Reset all of the settings on the Apple TV and rejoin the network.
Startup the MacBook Air from Recovery HD and reinstall OS X.
Ensure the "Show mirroring options in the menu bar" perfererence is enabled.
Download the latest copy of iTunes and restore the Apple TV.
Start the iMac to OS X Recovery, open Terminal, and use it to delete all login items.
Hold Command-S to enter single-user mode, then mo
Start the iMac to OS X Recovery and reinstall OS X.
Hold the Shift key at start up to Safe Boot,
Firmware updates for an Intel-based Macs require a GUID partition scheme.
Any of the partition schemes provided by Disk Utility will work.
Master Boot Record (MBR) requires a GUID partition map.
You should not use GUID. Apple Partition Map (APM) is the defualt partition map for Intel-based Macs.
An Intel-based Mac will not start up without the GUID partition map.
The GUID partition scheme contains the necessary standard apps for OS X.
Reset Network Settings on iPhone.
Verify that both devices are connected to the same Wi-Fi network.
Verify the the iPhone Cellular Calls are turned on in System Preferences . Network.
The same iCloud account must be signed in to both devices.
Push notifications for iCloud must be enabled on the Mac.
Push notifications for Pages must be enabled on the iPad.
Pages must be installed and up to date on the iPad.
Both the Mac and the iPad need to be on the same Wi-Fi network.
Bluetooth must be turned on.
The iPad needs iOS or later.
There is no Recovery HD.
Disable Recovery HD is selected in the Startup Disk pane of System Perferences.
FileVault 2 in enabled or a firmware password is set.
OS X Yosemite needs to
Check Activity Monitor.
Turn Wi-Fi off nad on.
Turn off Bluetooth in the Bluetooth pane of System Preferences.
Make sure Show Bluetooth in the menu bar is selected in System Preferences
Keep wireless devices within 33 feet (10 meters) of the Mac.
Press a key on the keyboard to reconnect it with his Mac.
Check the battery level of the keyboard.
Boot Camp 5
She first install OS X on an external disk, then use Safari to search Apple Support articles.
Startup from an OS X Install DVD and choose the Get Help Online option.
Startup from OS X Recovery and choose the Get Help Online option.
In order to use Safari, the customer will have to restore the the hard disk from a Time backup
A customer cannot connect to any password-protected wireless networks.
A customer will intermittently have a Wi-Fi connection drop. The customer cannot narrow down any specific time that it happens.
A customer is having trouble sending and receiving Mail on a company wireless network.
A customer is experiencing slow speeds on a specific public Wi-Fi connection.
Quit Pages and try to open the document with Text Edit.
Attempt to open a different Pages document.
Quit Pages and adjust the framework which may be mismatched.
Restart from a different volume and try to reproduce the issue.
选择要在Apple App Store上查看的Topgrade应用程序。