Troubleshooting
Troubleshooting Solutions
What the SMC does
The SMC is responsible for these and other low-level functions on Intel-based Mac computers:
Responding to presses of the power butt...
Mon, Aug 27, 2018 2:00 PM
If you experience issues related to settings stored in NVRAM, resetting NVRAM might help.
NVRAM (nonvolatile random-access memory) is a small amount of...
Mon, Oct 23, 2017 10:00 AM
Use safe mode to isolate issues with your Mac
You can use safe mode to help resolve issues that might keep your Mac from completely starting up, or to iso...
Mon, Oct 23, 2017 10:02 AM
How to use Apple Hardware Test on your Mac
Apple Hardware Test (AHT) contains a suite of diagnostics that test the hardware of your Mac.
After isolat...
Mon, Oct 23, 2017 10:03 AM
About macOS Recovery
The utilities in macOS Recovery help you restore from Time Machine, reinstall macOS, get help online, repair or erase a hard disk, a...
Mon, Oct 23, 2017 10:06 AM
macOS High Sierra: Mirror issues
← Troubleshooting: Mac OS X
High Sierra “Known Issue” with DisplayLink
There is one new key issue to call attention ...
Fri, Jan 26, 2018 7:48 AM
Since macOS High Sierra 10.13, the operating system applies a stricter security policy to software that requires kernel extensions (kexts). The Display...
Wed, Jan 3, 2018 7:13 AM
when adding a Macbook via IP in system preferences, switch the printing protocol to Line Printer Daemon (LPD)
Mon, Aug 6, 2018 8:27 PM
The Qt WebEngine is a web browser engine developed for embedding web content into applications. It’s not a required process and may be disabled if it’s caus...
Wed, Aug 29, 2018 11:17 AM
Activity Monitor shows the processes that are running on your Mac, so you can manage them and see how they affect your Mac's activity and performance.
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Wed, Aug 29, 2018 11:20 AM