In tv OS 11.2, Apple TV 4K gets Native Mode/Frame rate matching option that many owners wanted.(See new Apple article - Automatic 4K Apple TV Video output switching of HDR/SDR and refresh rate to match the original video's content.(Note: If you get a 'file not found' (404) on a link, try again later as article may be in process of being updated. Apple's CDN network has been frustrating at times, including access denied errors.Some articles have been archived but may still be useful for users of previous OS X versions.) Basics/Apps | Printing | Wi-Fi & Blue Tooth | Audio/Video | i Tunes | Internet/Browsers/Mail | Facetime | Air Play | Air Drop mac OS Security | Backups/Time Machine | Home Sharing | Displays/TV | Apple TV | i Cloud | Migrating Files from a Mac/PC Diagnostics | Troubleshooting | Reinstall OS X | Startup Problems | Ports & Adapters | Apple RAID Cards | Fusion Drives If you're unable to resolve or bind to domains that end in .local (archived) (HT3789 Doc on 'How to disable Bonjour service advertising without disabling DNS' removed by Apple due to changes in OS X Yosemite) If the Ethernet connection on your Mac stopped working recently, follow these steps to restore it (article was removed) It included how to check System Information to find out which version of "Incompatible Kernel Extension Configuration Data" is installed. Mac Basics Guide to Using a scanner in OS X with Image Capture and Preview.I think this will both increase sales and reduce returns.) tv OS 11.3 added Apple TV 4K support for the "low latency" Dolby Vision profile used by some Sony 4K/UHD TVs.
(Includes list of compatible 2009-2014 i Macs - but not Late 2014 27in 5K Retina i Mac) Apple computers: Black screen or unresponsive Mini Display Port display after sleep (now archived) Includes note to make sure Mini Display Port adapters are Vesa 1.1 compliant. I wish they would list docs like this as archived instead of removing them.) How to use an external graphics processor with your Mac (mac OS 10.13.4 or later) With a list of supported e GPU configurations - Thunderbolt 3 chassis & graphics cards.(Also check Apple's mac OS High Sierra site, Apple's Mac OS High Sierra user discussion forum, and sponsor OWC's blog post on Common Problems During and After mac OS High Sierra Installation.) How to set up and use an external Mac startup disk (now titled "How to select a different startup disk") Includes a tip if you can't boot from an external drive as some have reported after installing mac OS Sierra 10.12.2 update.See the section down the page titled "If you can't select your startup disk or start up from it" that has a note on third-party external devices that use Option ROM firmware and how to turn off a new security feature (not loading option rom) via keystrokes at each boot or via a terminal command.(Terminal command setting is mentioned as an option for Early 2015 and older Macs.) now routes to How to reset NVRAM or PRAM on your Mac.Hold the keys down until Mac startup tone is heard 3 times.This page also has links to Apple FAQs and Guides on HDMI, Audio, Air Play, i Tunes, Apple TV, CD/DVD sharing, USB, Apple Display Adapters, Mini Display Port, Thunderbolt, USB, Firewire, Tips for i OS/i Phone/i Pad/i Pod Touch users and a list of Airport Utility and Firmware Updates for Apple Base Stations and Time Capsules.(Also tips/guides on using Boot Camp to run Windows on a Mac.) Plus important tips on what to do with your personal files/data before selling or donating your Mac or i Phone/i Pad, and what to do if your Apple product is lost or stolen (and beforehand).(Link removed as HT201623 article no longer online as of 8/7/2017 check) (The 3 guides below are now listed as 'archived, no longer updated) Apple's Deploy apps in a business environment with i Tunes includes a link to download i Tunes 12.6.5 with built-in App store. The 12.6.4 update allows syncing of i OS 11.3 (and later) devices, which v12.6.3 didn't.) Current i Tunes versions don't support OS X 10.6.x users, but here's i Tunes 11.4 for OS X 10.6.(FYI to Power PC Mac owners, i Tunes 10.6.3 was last version with PPC support.Requires a How to Install mac OS 10.14 Mojave on Mac Pro (Mid 2010) and Mac Pro (Mid 2012) Includes notes on supported Graphics cards.Looking for feedback for our Radeon RX 580 in Mac Pros page.