macOS User Guide
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Welcome
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Use Continuity across your devices
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Use your iPad as a second display
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Hand off between devices
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Insert photos and scans from iPhone or iPad
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Insert sketches from iPhone or iPad
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Copy and paste between devices
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Use Apple Watch to unlock your Mac and approve requests
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Make and receive phone calls on your Mac
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Control accessories in your home
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Send files between devices with AirDrop
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Use AirPods with your Mac
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Stream content to Apple TV
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Understand passwords
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Use keychains to store passwords
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Reset your Mac login password
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Set up your Mac to be secure
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Guard your privacy
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Protect your Mac from malware
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Use Sign in with Apple for apps and websites
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Clear your Safari browsing history
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Manage cookies and other website data in Safari
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Find a missing device
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Resources for your Mac
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Resources for your Apple devices

If your Mac battery won’t charge
If the battery in your portable Mac won’t charge, try one or more of these solutions:
Reset the battery: If you have a Mac with a removable battery, remove it and install it again, to make sure it’s properly installed. Refer to the manual that came with your Mac for more information about properly installing the battery.
Reset the SMC: Reset the System Management Controller (SMC), which controls how your Mac manages power. See the Apple Support article How to reset the System Management Controller (SMC) on your Mac.
Get your Mac serviced: If the battery still won’t charge, your Mac may need to be serviced. Take your Mac to your local Apple Store or contact AppleCare. See Find how to service or repair your Mac.
Note: For best results, use the power adapter that came with your Mac.