No output through mini hdmi
i have updated my software from os lion to mavericks since then i cannot detect my display on my hd tv screen. if i need to do some settings kindly help me with that.. pls important
Hi frazeragnes,
Welcome to the Support Communities!
The article below may be able to help you with this.
Apple computers: Troubleshooting issues with video on internal or external displays
http://support.apple.com/kb/ht1573
Cheers,
- Judy
Similar Messages
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Audio output through mini display port
2009 model macbook air 2,1. Is there an update or video card that will allow audio output using Moshi HDMI adapter?
http://support.apple.com/kb/HT4241
Only the most recent late 2010 MacBook Airs support audio over Mini Display Port.
For an older machine, you'll need something like this: http://www.amazon.com/Mini-DisplayPort-HDMI-Adapter-Audio/dp/B0033SM2BQ/ref=sr_1 _14?ie=UTF8&qid=1306806721&sr=8-14 or this: http://www.amazon.com/Displayport-Toslink-Female-Converting-Adapter/dp/B003BS2PF G/ref=pd_sim_sbs_e_5 -
Switch iPad mini to PAL output through Lightning HDMI?
Hi, I want to use my iPad mini as a source to play my own backing footage into a TV studio. I'm using Apple's lighting to HDMI converter. When I hook it up to the Blackmagic TV studio it only works if I set the frame rate on the Studio to 720p at 59.97 which I think is NTSC? As our cameras are all PAL they only output 25p or 50p so we can't use the iPad as an input. There used to be a way in the old IOS to choose between NTSC and PAL but that has gone in IOS 7, even with the adaptor connected. ANyone got any ideas on this, and suggestions gratefully accepted, thanks.
You can do what you want with the iPad mini. You will probably need some of the lightning cable adapters to connect to whatever equipment you are using.
See http://store.apple.com/us/ipad/ipad-accessories/cables-docks#! -
(Too) Variable Audio Output through mini jack
Tried looking through prior posts to see if anyone had remotely similar problems. Just lately my 5G iPod will radically change in volume level mid-song; so much so that it distorts and is in danger of blowing my speakers in my car. Don't have Sound Check on but doesn't seem to be an issue here as it's midsong. I mostly listen to it through speakers plugged in to the mini jack, or headphones and not the dock. Any ideas what this might be caused by?
http://support.apple.com/kb/HT4241
Only the most recent late 2010 MacBook Airs support audio over Mini Display Port.
For an older machine, you'll need something like this: http://www.amazon.com/Mini-DisplayPort-HDMI-Adapter-Audio/dp/B0033SM2BQ/ref=sr_1 _14?ie=UTF8&qid=1306806721&sr=8-14 or this: http://www.amazon.com/Displayport-Toslink-Female-Converting-Adapter/dp/B003BS2PF G/ref=pd_sim_sbs_e_5 -
Mac Mini HDMI Output Problem w/ LG L246WP
NOTE: This appears to be unrelated to the "screen flickering" that has been noted previously.
I'm using a fresh new Mac Mini 2012 with an LG L246WP LCD monitor. The monitor has HDMI, VGA and Component video inputs.
When I attach the monitor to the Mini DisplayPort output, using a Mini DisplayPort to DVI adapter connected to a DVI to HDMI cable, the display functions properly at all resolutions - including the native 1920 x 1200 resolution that I use it at normally. All resolutions are clearly displayed in the "Displays" System Preferences pane. The display looks perfect, functions properly.
When I attach the monitor to the HDMI port using an HDMI cable, the display does not fucntion properly. The display is shifted about 80-100 pixels to the left and about 20 pixels up, creating black bars on the bottom and right sides. Because of this, a large portion of the display is not visible including the menu bar and most of the left side. Additionally, the settings are reduced to "Best for Display" or "Scaled", with resolution options under "Scaled".
This is not acceptable. I had planned on simply using the Mini DisplayPort output as a workaround, since I already have the DVI adapter from an old setup, but I need to use Thunderbolt to access external hard drives for rapid data transfer. One of my Thunderbolt accessories does not have two ports, so I can't simply add the Mini DisplayPort adapter to a chain. The HDMI port needs to function properly with my monitor.
It's important to note that this monitor has functioned properly with many other comptuers running OS X, Windows and various Linux flavors and it hasn't ever done this before. I've tried several different HDMI cables, ruling that out as a problem. I've tried the HDMI to DVI adapter that ships with the Mac Mini 2012 along with two different DVI to HDMI adapters, ruling that out as a problem. I tried attaching several HDMI devices (game consoles, DVD players, etc) and they all function properly, ruling out an HDMI issue as a problem. The monitor functions properly when attached through the Mini DisplayPort to DVI adapter, so it's not a problem with the monitor. I've reset the PRAM already and the installation of OS X 10.8.1 is stock with no modifications or migrated data. I've tried the suggestions on the HDMI FAQ (although there's no "underscan" option available in Displays)
I tried to call AppleCare and after describing the problem I got disconnected with no callback. I started another ticket, described the problem, discussed the previous disconnection, was assured that I'd be called back if disconnected, and haven't heard back in two hours. So I started to dig into the problem in earnest.
This gets pretty technical.
After substantial research, it appears that this issue is related to the EDID that the monitor sends to the computer and, crucially, the way that the driver responds to it. For some reason, the HDMI port is recognizing the monitor as a CEA device instead of a monitor. As a result, it's restricting the monitor's available resolution to the native resolution that the CEA 681 Series Extension describes ("Best for Display") and all other resolutions (including 1920 x 1200) are only available as "scaled". For some reason that I can't discern, all resolutions (even the 1080i and 1080p options) have similar deformities.
I've attempted to fix this by placing an appropriate override file in /System/Library/Displays/Overrides with an edied EDID removing the CEA-enable flag from byte 127 but, even after a reboot, the OS still insists that it's a CEA device and it won't allow me to force it to recognize the monitor as a 1920 x 1200 LCD Monitor.
How did I come to this conclusion and develop the fix? A nearly identical problem description showed up on the following website, with details on how this user fixed the issue:
http://byuu.org/articles/computing/edid
They used a convoluted process that involved dismantling the monitor and flashing the EDID on the monitor itself. It fixed their problem. I'd prefer not to go through that process just because one computer has a problem with it. Frankly, I'd prefer if the new Mac Mini performed properly in the first place.
TL;DR: The Mac Mini 2012 doesn't work right with the LG L246WP through the HDMI output. Everything else works fine with it. This is very uncool. It's most likely to be an issue with the driver for the Intel HD Graphics 4000 GPU that are bundled with OS X 10.8.1. The Mac Mini 2012 won't update to 10.8.2 (yet), so I can't test it.
Anyone have any other ideas? Anyone else using a Mac Mini 2012 (or 2011) with an LG L246WP monitor? Anything simple I've missed?Problem Resolved. But it was complicated. And a huge pain in the rear.
TL;DR: I flashed the EDID as described here. This is not recommended for the weary. Ideally, Apple should release an update OS X that will include the updated Intel HD Graphics 4000 drivers that utilize the CEA flag properly.
Here's the detailed version. As mentioned above, this isn't recommended for the weary. An improper (or interrupted) EDID flash can have seriously unpredictable effects on a monitor's performance.
Step 1: Get a Windows PC set up with a floppy drive and find a floppy disk. Use this system to format the floppy as a MS-DOS Boot Disk and copy over the "ddcw" program described at the aformentioned link.
This took awhile, but I was able to cobble together a temporary frankensystem with parts I had laying around. In installed XP and formatted the disk with XP's format tool.
Step 2: Grab EDID data from the monitor, modify it to disable CEA mode at bit 127 and make sure bit 128, the checksum, is appropriate.
This also took awhile. Several graphics cards I tried could not read or write EDID data. I ended up swapping AGP cards in my frankenstein box until I found one that worked - a generic GeForce4 4200.
Once the EDID data was written to the floppy, I edited the text file containing the EDID data to change the last two hex octets from "01 33" to "00 34" (00, to disable bit 127, and 34 is 33 + 1, which satisfies the checksum) and formatted the text file to match the sample included in the EDID_Write.zip file. Your mileage may vary - make sure the checks.
Step 3: Write EDID data to the monitor.
The link above mentioned three options: Easy (monitor's EDID is unprotected - write away!), Hard (monitor's EDID is protected - use service mode to attempt a fix), and Very Hard (monitor's EDID is protected, hardware modification is required).
Luckily my LG246WP simply needed to be put into service mode as described at the link above (menu + power) and once started up in service mode, I simply enabled "Aging Mode" (whatever that means) and attempted a DDCW write of the updated data.
Step 4: Profit!
After doing this, I powered off the monitor and powered it back on with the Mac Mini attached. The display functions PERFECTLY with HDMI out, just as it does using the Mini DisplayPort to DVI adapter. -
Can I hot plug monitor (or TV) through Mini DisplayPort to DVI (or Mini DP to HDMI) Adapter? Or I have to power down all before connect/disconnect through Adapter?
Thank you, Mario.
I just wanted to be shure because previously i destroyed two videocards on my pc by plugging hdmi without power down. -
Hi i upgraded from lion to mountain lion to day on my mini mac,Since the upgrade i am no longer getting sound through my HDMI cable which was working fine on lion Checked the midi audio settings and system preferences to out on HDMi nothing no sound whats so ever.Any one any ideas?
I use a samsung TV for my monitor via HDMI.Tried all the system Audi setting nothing .Head phone and internal speakers are fine.Similar issue; Audio was working fine on Lion, now not on Mountain Lion. Have a Macbook Pro early 2011 with AMD Radeon HD 6750M, connected by thunderbolt through a Lacie LBD to a mini-displayport to HDMI adapter (n.b. same problem when not going through the LBD) to a Pioneer VSX 521 AV receiver. For me when I go into audio Midi settings all the volume sliders for the displayport device are greyed out and at zero. But when I click 'configure speakers', it's able to send out the test signals to each speaker. Part of the problem could be that I'm not getting the option to put out 6channel sound, only 2 or 8 channel. Since my system is Dolby 5.1, and I only have 6 speakers, I would have expected the 6ch option to be available. But I imagine there's more to it than that. Elsewhere someone has suggested playing with Remote Interactive over HD on an Onkyo device; I'll see if there's something similar on the Pioneer that can be changed. Any other suggestions welcome.
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No sound through mini DVI-HDMI adapter.
I've never had a problem hooking my Macbook Air up to my TV through the HDMI cable before. I believe the change happened after updating to 10.8.2, but I can't be sure. When I plug in the adapter, the picture goes through to the TV (just as before), and in the Sound settings panel it has the option for playing through the TV (just as before), but no sound. Using the same adapter on a Macbook Pro running 10.7 - no problems.
Thanks for any help or tips in advance.You already tried most of the steps to get this working, but I do suspect the ATI/AMD driver has somehow been corrupted.
You already tried the AMD drivers from HP's site, so I would give the drivers directly from AMD. Worst case scenario is it doesn't resolve the issue. The linked driver is what was returned when selecting the options for the notebook on AMD's driver page. Notebook>Radeon HD>Mobility Radeon HD 4XXX Series>Windows 7 64bit.
Let me know what happens.
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I get no signal when i connect my latop and tv or other output device through my HDMI cable
no matter what i try i can never get my laptop to display anything through my hdmi. every time i connect it it tell me "no signal".ive used the duplicate seting and tried different things but still nothing
Hi,
Have you tried to hit F4 to send signals from your laptop to others (such as TV) ?
Regards.
BH
**Click the KUDOS thumb up on the left to say 'Thanks'**
Make it easier for other people to find solutions by marking a Reply 'Accept as Solution' if it solves your problem. -
Mini-HDMI Port: Video OK, sound only works for iTunes
Let me start by saying, I'm pretty new to Mac so please be gentle with your answers...
I just got a new HD Samsung TV and have connected it to my Macbook Pro through the Mini-HDMI port. There are two HDMI inputs on my TV, DVI and ARC. I'm using DVI. The video displays perfectly but I'm having a little trouble with sound.
Once I went to system preferences and switched the audio output method to "SAMSUNG - HDMI" my iTunes music began playing through the TV speakers. I played a .wmv video from my hard drive; sound and audio all worked well. However, when I attempt to play anything through the Internet, Youtube, Hulu, Pandora, no sound... I still get video, and if I switch the Output source back to "Internal Speakers - Built-In" there's no problem. I don't know if it makes any difference, but I'm using Google Chrome as my Internet Browser.
I've double/triple checked the sites to make sure the local audio levels aren't being muted, and that doesn't seem to be the case. Is there a setting somewhere that references only Internet, or more specifically, Google Chrome audio Output levels?
PLEASE HELP...
ThanksThe "Front" channel isn't the same thing as the front panel. From the ALSA wiki:
"Front, Surround, Center, LFE (subwoofer) and Side (these are the names of the channels with Intel HD Audio, they may vary with different hardware)."
How many sounds cards do you have?
[dspider@arch ~]$ aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: NVidia [HDA NVidia], device 0: HDA Generic [HDA Generic]
Subdevices: 1/1
Subdevice #0: subdevice #0
[dspider@arch ~]$
What are the other HDMI devices? The video card?
And have you tried googling the problem?
http://ubuntuforums.org/showthread.php?t=1462288 -
How do i use Desktop PC (Mini Hdmi or DVI) to imac27 as monitor
How do i use Desktop Pc through imac27 as monitor? first of all i dont want to use bootcamp. cos it dont run high end game, this is a reason i want to use my pc .
my Graphics Card use Dvi or mini Hdmi, so which kind of Adapter to use and want full Resolution.
Thx.
p.s sry english not my first.^^)First of all, what do you mean by plug in one set of speakers on your PC? if am not mistaken the card has 3 plugs for a default 5. surround sound. Yes your card can do 5. surround soud, but for that you need to have the 5. surround sound speakers, otherwise well it won't be 5. To get any audio from your TV, or Satelite Box, you need these items and ste
ps.
Make sure your TV or satelite box has 2 RCA's female plugs labeled (Output) to deli'ver the sound to another device *(from your Satelite or TV to the now dead 5. surround sound)? 2. Your computer must be on at ALL times to transmit (or play) the sound from your TV or satelite box. 3 you need a?Y?RCA to 3.5mm plug jack cable (they are at allMart or Bull'sEye stores for 2$. its a cable that has the 2 male RCA's 's white 's red at one end, the other end will have the classic headphone jack *(you can always use this cable to transmit any audio coming from any device such as MP3, CD, DVD, Laptop, TV, and many other devices to your 5. surround sound in the living room or the computer) 4. Plug the Y RCA in the input port in your Audigy2Zs sound card. Make sure the Mic, and AUX are on mute, and that the Line In volume is at 70% and your TV, Satelite Box audio is at 50%. If its too low volume watch out, you'll be controling about?4 volume settings *(the TV or Satelite Box, the Line-In, Master Volume on the sound card, and Speaker Volume) 5 Sit back and enjoy! -
Sound Output Through miniHDMI port
I am trying to link my 13 inch MacBook Pro to my tv so I can watch videos I have on my computer on my TV. I have the mini HDMI cable converter hooked up. I am getting video from the computer to the TV but no sound. I tried a headphone to RCA converter to get sound to the TV and this works if I have the TV source set to AV. However this only sends sound to the TV and not video. And the way the TV source works I cannot select HDMI video input and av sound input. Is there a way I can force sound output through the miniHDMI cable so I can get sound and video through one cable? I would greatly appreciate any information and help anyone can provide.
See,
iMac (Late 2009), MacBook Pro (Mid 2010), MacBook (13-inch, Mid 2010)- HDMI audio doesn't work with some adapters
Mac computers- About HDMI adapters
Mac mini (Mid 2010)- Frequently asked questions about HDMI -
No screensaver or sleep when outputting audio over HDMI
I am using a Mac Mini i5 2.5 running 10.8.2. This is a new setup and I have tested it with a standard computer monitor and it works fine, however when I implement it in my home theater setup running into a Pioneer VSX-1325 receiver, which I use for my video and audio switching the screen saver will not turn on once I have played any audio over the HDMI (iTunes, Netflix... etc). From a cold boot the screen saver will boot up, until I trigger any sustained audio (non-system sounds) through the HDMI connection... This includes web based audio as well. Has anyone else experienced this? For this is a major issue as this display is connected to a plasma TV and I can not rely on my wife to always use a hot corner. I do not want any image persistence or burn-in on my display. I should add the the screensaver function will resume after a period of time when there is no audio being output.
Apparently this was an issue in Lion as well. Thread below, but can Apple fix this ASAP before I have a Plasma with burn-in?
https://discussions.apple.com/message/21324044#21324044 -
Mac mini HDMI 1080p SUCCESS with Panasonic 50" TH-50PZ81B
I recently purchased a Panasonic TH-50PZ81B. This is a UK model with a built-in satellite ("Freesat") receiver, and displays full 1080p and uses a 1920 x 1080 native panel. I used to connect my Mac mini HTPC to a Sony 42" plasma by VGA, and the Panasonic has a VGA input which displays 1,368 x 768 out of the box - no SwitchResX. It's decent. But, I wanted the "full" 1080p so bought the Belkin DVI-HDMI cable. Like a lot of people I got the choice of either the big black bars all around, or enabling "overscan" in Displays which would fill the screen, but, well, overscan! I spent all morning playing with SwitchResX and it just wasn't working (and the instructions at http://www.avsforum.com/avs-vb/showthread.php?t=751713 bothered me in that it seems to suggest you need to increase the resolution so it wouldn't be 1:1 pixel mapping). I tried to look at the service menu but it wasn't obvious what to do so I left it alone, and there is no manual picture adjustment like there was on my old Sony. Urgh.
But, by chance I noticed in the TV's Menu -> Settings menu on page 2 there is an option for Picture Overscan, which was turned on. I turned if off, and just like that got full 1080p 1:1 pixel mapping.
So, that's Mac mini with overscan ON. Use the great (weird) advice from Adam Nash to enable the Display menu bar item as seen here:
http://blog.adamnash.com/2008/01/24/yes-you-can-get-1080p-out-of-a-mac-mini/
It works - you have two identical-looking outputs but your TV will tell you one is 1080i and the other is 1080p.
On the TV settings go Menu -> Settings -> Picture Overscan and make sure it's OFF. Done!
I don't know if other Panasonic screens are similar but I can tell from the frustration on other posts - which I shared, believe me - that there are a lot of people with this issue wondering why SwitchResX is so non-intuitive etc. so I am hoping that for all those people who know how to use Google, this will show up in their searches.I decided to post in the display forum because it was fine outputing via DVI-HDMI to a 1368*768 TV, and also fine via D-sub to the Full HD TV (although at 1368*768, but that's the limitation of the TV)
But thanks for your advice. I'll post there as well -
Does my MacBook passes audio through Mini Display Port or not?
I recently bought a Mini DisplayPort > HDMI adapter in order to display my MacBook on my TV. Other users of the same adapter publicly stated that they got video AND audio out, but I got only video.
I've been searching this online for two days now and I still don't know why (I even searched this support forum, but I must admit that I got a little lost and decided to write my own topic). All I discovered was that some MacBooks have this capacity (to port audio along with video through Mini DisplayPort) and others don't.
I'm using a white MacBook unibody bought new and latest on late 2009. It's the first model with multitouch trackpad and without FireWire port. Its model name is "MacBook 6,1", I guess.
Does anybody know for sure if It CAN, in fact deliver audio+video through the Mini DisplayPort if I'm using a compatible HDMI adapter?
Thanks.These models pass audio through the display port:
iMac (Late 2009), MacBook Pro (Mid 2010), MacBook (Mid 2010), and Mac mini (Mid 2010) supply multichannel audio (up to 8 channels) and video signals over Mini DisplayPort. To connect your television or other HDMI devices to your Mac, use select third-party Mini DisplayPort to HDMI adapters that conform to the VESA v1.1a DisplayPort Interoperability Guidelines. The following adapters adhere to these standards:
- Moshi Mini DP to HDMI Adapter with Audio Support
- Griffin Video Display Converter (Mini DisplayPort to HDMI and DVI)
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