- #Display port and hdmi not working mac how to#
- #Display port and hdmi not working mac full#
- #Display port and hdmi not working mac pro#
- #Display port and hdmi not working mac Pc#
How’d it work for you? Let us know in the comments. Using the above steps, I got HDMI sound working on my MacBook Air as well as my girlfriend’s MacBook. Your sound should now hopefully be working through HDMI under OS X Lion. Not sure if the adapter is not compatible with Mac or if I need a patch. but still cant get audio to work through HDMI to TV on Mac, works fine on Windows though.
Plug in your Mini DisplayPort or Thunderbolt to HDMI adapter, make sure that HDMI is selected as your Sound output in System Preferences and give your Mac a whirl. External Display (USB-C to DisplayPort) not Working 46. Once you’ve flushed both the SMC and PRAM, allow your Mac to boot properly.
#Display port and hdmi not working mac how to#
The instructions on doing this vary from computer to computer, but Apple’s got a great support document that explains how to reset the SMC on any Mac you own. If you do this correctly, your Mac will restart and you’ll hear the startup sound a second time.Ĭongrats, your PRAM’s reset! Now let’s reset the SMC for good measure. This must be done before you see the gray boot up screen.ĥ) Hold down the keys. Put your fingers over them, but don’t press them yet.Ĥ) Immediately after turning on your computer, hold down Command+Option+P+R. What you need to do are flush out your Mac’s PRAM and SMC, resetting them.Ģ) Locate (but don’t press) the following keys on your Mac’s keyboard: COmmand, Option, P and R. The reason I didn’t just switch over to DVI-D after I discovered this issue was mainly because of my desire to find out what went wrong.The fix is fairly simple, but it might take a few times. This is what drove me to initially use DisplayPort. These are the 2 Ive tried with no luck with audio, only video worked. I have had 2 single, not multi, usb-c to hdmi connectors that the audio has not worked on. lorenzolamasse Im having similar problems trying to find an adapter to work with HDMI video and AUDIO especially. The M1-based Air supports only a single external monitor, unless you use something like DisplayLink (a third-party way of driving displays over USB that precedes USB-C). But the laptop has a screen and I have only one 4K monitor. I have a personal dislike of DVI cables and the way you have to screw them in. squash- 46 is more for USB-C to Display Port. CAcreeks wrote: DisplayPort is better than HDMI at extending multiple displays, I believe.
#Display port and hdmi not working mac full#
I wanted to make full use of the 144Hz functionality on the monitors, and to do so I would have to use either DisplayPort or DVI-D. Although the TVs HDMI port is designed to receive sound, sound may not be transmitted from the MacBooks video-out port, depending on the specific model you. On the left monitor I could see “DisplayPort- No Signal”, and on the right was my usual desktop. I made sure all the cables were tight, unplugged them and replugged them- sure enough I even turned it off and on again- but to no avail. They plug directly into an Nvidia GTX 1080.
#Display port and hdmi not working mac Pc#
My PC set-up consists of two 144Hz monitors connected via DisplayPort cables. Thats a little excessive and unacceptable. It appears the fastest way would be to: Press 5-way button on back. A bit of background - why use DisplayPort anyway? I wish there was a dedicated 'input' button.
It was fine the day before, and it hadn’t been touched that day, so what gives? Let me back up a little… (unless you’re too eager and just want to see the solution). My sister started using my monitor last week with her mac book mini divi -> hdmi adapter. Everything turned on as soon I started the computer and it worked fine.
#Display port and hdmi not working mac pro#
I recently faced a hardware issue on my PC at home whereby one of my two monitors seemed to suddenly no longer connect when I booted. Hi, I have an external LCD tv that I connected to my MacBook Pro a month ago with a mini display port-hdmi adapter -> hdmi cable -> hdmi port of my lcd tv. DisplayPort no signal: The question “ have you tried turning it off and on again?” gets joked about a lot in computing when someone has a problem, it’s well known that a quick reboot often works a treat.
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