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From: Tom Stiller <clusterfux.upmon@gmail.com>
Newsgroups: comp.sys.mac.apps
Subject: Re: No "Accept" button in OS X window when using HDMI video out
Date: 17 Mar 2014 18:06:38 GMT
Organization: Old Men With Beards
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On 2014-03-17, Lewis <g.kreme@gmail.com.dontsendmecopies> wrote:
> In message <boojk9Fgg4nU1@mid.individual.net>
>   Tom Stiller <clusterfux.upmon@gmail.com> wrote:

[snip]

>>  I know the Mac display is active because I look at and interact with
>> it. System Preferences->Dispkays shows only the HDMI device -- no mirror
>> or second display option.
>
> Because when two displays are connect (internal display and HDMI
> projector) it is normal to see mirroring options in the Display System
> Preferences. Either that, or "Arrange". You say these options are not
> there, which I find very strange.

Well, what's "normal" for me is what I see on the only set of devices I have
access to.

[snip]

>> You might also note that the HDMI interface is unidirectional; it wouldn't
>> matter if the priojector did have a microphone.
>
> That could be (I have no idea if HDMI supports any data back, but I'll
> take your word for it), and it would certainly be another reason for the
> HDMI to never show an answer button.

It's not just that the HDMI device doesn't show the Accept button, the MacBook's
display, which *does* support interaction with the trackpad and keyboard, does
not show the button either. That's either a flaw in design or implementation.

Now since all the other graphics applicatations support normal dialog boxes and
other cursor-trackpad interaction while the HDMI device is connected, I assigned
the problem to Facetime and not to the lack of a microphone on the HDMI device.

>>> It's certainly possible. My MBP doesn't have HDMI out, so it could be
>>> some difference (though I don't see this behavior with MDP->HDMI). I
>>> could check on the Mac mini which does have HDMI out connected to an
>>> Epson projector (sans speakers or mic), but I would expect an alert and
>>> no answer button.
>
>> That might be interesting, but irrelevant, since the Mini doesn't have a
>> built in display.
>
> It does support two displays though.

But since it doesn't bear on my problem, I happily surrender the thread to you.