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