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I’ve some insights on this topic I need to share, as a result of many do not notice that older Macbooks and iMacs have alder bluetooth and wifi modules.
The second issue that goes into play right here is HDMI 1.0, 1.1 & 1.2 that are simply variations. 1.0 can go as much as 1080p, 1.1 can stream as much as a lot increased, and I imagine you want a HDMI 1.2 succesful system to show 4k and such.
The purpose of HDMI variations is usually neglected, however describes the MAX-output your monitor can assist. I’ve HDMI 1.0, and an Apple TV (2) that helps as much as 1080p.
Test what sort of decision your monitor assist, test the model of your HDMI cable, and test the decision of your Mac’s monitor. For those who see the apparent “out of bounds decision” in both of those units, that is why it can’t make that bridge to steam the decision to start with.
These can solely course of sure bandwiths and speeds, just like the wifi modules solely choose up 2,5ghz, and use 300MB (I imagine), not the 1200MB on 5ghz.
So my iMac 2010 can stream to a tool, however solely as much as 1080p, which my TV will assist because the Apple TV reaches it is MAX, and the TV too. Executed.
But it surely won’t mirror my desktop to my TV, because it makes use of a better decision that the AppleTV or the TV itself will assist. This does not cease me nonetheless.
You alter your monitor’s decision within the show settings proper? Strive that and match the decision to your streaming units and monitor’s MAX decision.
However I attempted it and it would not yield the end result you need; to stream your desktop.
Humorous sufficient it does work on a 21,5″ iMac 2011 or 2010; they each have a native-resolution of 1080p and can stream with out issues. However Apple capped the 27″ in all probability as a result of that method you “want” a greater system.
Airplay additionally would not present within the menu-bar, and I am on an iMac 27″ that has a decision of 2560×1440. But it surely does detect AirPlay in Quicktime and different apps that use it is performance natively.
Merely click on the “share” icon in Quicktime if you’re enjoying a film, and you will see that you may truly stream to your AppleTV if the decision of the film can truly match on it.
So in brief; you possibly can obtain a 1080p video clip, and a 2k video clip in .mov format, open them with Quicktime, stream them to your system, and see if my science sticks or makes you sick about Apple’s practices, too.
The 21,5″ has the identical WiFi and Bluetooth specs because the 27″, so it is capped by native decision, not by precise show decision set by the person agent.
But the inner decision can be MAX 1080p which is why it did present the menu-bar icon on a 21,5″ iMac, however not mine; the 27″ 2560 x 1440 MAX decision (out of bounds of 1080p) natively to stream.
As a result of I simply use Quicktime to stream sure content material, your desktop won’t because the content material is on prime of it, and thus is a a lot increased decision to stream than your HDMI or AppleTV model can deal with.
Plain & easy. AirPlay works with a local decision that it might assist from begin to end by the compounded impact of all it is components. One on one.
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