hdmi

Hi, I have a MacBook Air with OS X Yosemite and I can't mirror my computer on a TV (HDMI cable) ou a projector (VGA cable). First problem: when I plug the cable, it doesn't connect automatically. Second problem: all the tutorials I read ask to go to "System Preferences" --> "Displays" -->...

Love that when I start streaming to my generation 2 apple tv that it turns on my HDMI connected receiver automatically. Annoying though that it then switches the input from the video channel I'm using for Apple TV to TV, which on my sony str-dn840 has no HDMI input possible. Can't seem to find...

I have a ps4 hooked up via a hdmi splitter - worked fine with an old hp monitor but noticed today, it only works when the mac is turned on! Even after I unplugged the display port and usb hub, it still went to 'no signal' when the mac sleep - how can it do this when the mac is not connected to...

Hello, I own a Qnix 2710LED 27" monitor which I currently use a Dual Link DVI adapter (the $99 dollar type) to get a 2560 x 1440 resolution with my mid 2015 Macbook Pro w/ retina display. I was wondering if anyone knew if I could get the same resolution using an HDMI cable? The monitor supports...

I have a Sony TV, last of the big tube models but with HDTV. I have one input for HDMI and my satellite tv goes in there. How do I connect the ATV (mod4). I have plenty of analog open plugs. I have found an HDMI switch that seems to feed two TV's. It has one Input and two Outputs... I thought...

Hi all, Long story short, I bought a 40'' 4k Samsung TV to use as an external monitor. I know my mid 2011 iMac would not be able to handle 4k output but I was hoping to get at least 2k (2560x1440) like the native 27'' resolution. However, after using the 4k Belkin mini displayport to HDMI...