HDMI or VGA connection?

I have a 50 inch Panasonic Veisa Plasma screen which i would like to connect to my Mac mini which I am using to store all my backed-up dvds. through front row I would like to use the mac mini as a video server to watch my movies
when I connect with DVI/HDMI cable I get the overscan issue.
When i use the "PC" input on the plasma at 1280 x 768 I lose about 20 pixels top and bottom. the movie therefore has larger black ribbons on top and bottom than when I watch it directly from the dvd on my dvd player.
Any ideas?
Nicholas

You might want to check over at the AVS Forum in the Mac area for information. For example, this:
http://www.avsforum.com/avs-vb/showthread.php?t=931340&highlight=panasonic
But I don't really know if that applies to your display or not. You could also check there in the plasma panel forum and seach on the term "powerstrip" and "panasonic" to see if you can get any specific timing information for your TV from those who have connected one to a PC. Good luck.

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Detect HDMI or VGA connection

Dear forum members,
Out of some reasons, I want that one of my LabVIEW programs runs only if the laptop is connected to my audio and video system via HDMI. The program shall give a warning or similar if the laptop is connected to the audio and video system via VGA.
So, is there any way how I can detect if the laptop is connected via HDMI or VGA?
I would be happy about some feedback!

Thanks a lot for the feedback!
The idea is great. Unfortunately, I have different laptops which behave differently.
One changes the display size the other not id I connect them to the HDMI wire.
So, I cannot really use the All Monitors Application for detecting if there is a HDMI or VGA connection.
Meanwhile, I also think that I will build in my program some dialog in - this is easy and will work for sure.
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A converter that is not compliant would confirm (circumvent protection) it was connected to an HDCP compliant device and the Apple TV would be fooled into sending the movie.

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A compliant converter wouldn't confirm it was connected to an HDCP compliant device and the Apple TV wouldn't send the movie (or send the "HDCP is not supported" message).
A converter that is not compliant would confirm (circumvent protection) it was connected to an HDCP compliant device and the Apple TV would be fooled into sending the movie.

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What you've asked is true. You can buy similar displays from Dell or other manufacturers that will work with your laptop. Many of the Dell's use the same internal LG panels, so quality is similar.

I bought a mini DVI to HDMI convertor and a HDMI to VGA cable to connect my mac book pro to a tv but it doesn't work any one can help.\\\\\

i bought a mini DVI to HDMI convertor and a HDMI to VGA cable to connect my mac book pro to a tv but it doesn't work any one can help.

I would suggest looking into a Thunderbolt to HDMI connector. In this case, you may be able to use the TV as an external monitor. For this option, please confirm through additional research. I have not tested it personally.
You can also use an Apple TV, which connects with HDMI. In this case, you can use Airplay Mirroring. Not all Macs support Airplay Mirroring, so you need to check first. I have a Mid-2011 27" iMac, and it supports Airplay Mirroring. I don't use it often because my TV is in another room, but I just tried it and it worked. It had to change the screen resolution to work well, so I don't know if I would want to use it as my day to day monitor. http://support.apple.com/kb/ht5404

How to connect an external display to MacBook Pro Retina using HDMI to VGA Adapter?

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Something like this -> http://www.monoprice.com/Product?c_id=101&cp_id=10114&cs_id=1011404&p_id=6191&se q=1&format=2 - from MonoPrice may work.
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I connected my AppleTV to my TV via a HDMI to VGA adapter. On power gives no signal and display a message "Out of Range", to connect another device with the same adapter works properly.

OK, thanks. Just one question.
I could get the Kanex ATV pro in Mexico, because the adapter I have now cost me much to get it, and almost not many options.

Monitor Keep Flashing after connecting External Monitor with HDMI to VGA Adapter

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Hi there BrianYip,
You may find the troubleshooting steps in the article below helpful.
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http://support.apple.com/kb/ht1573
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Only certain apps that had this feature added will show from an original iPad to a video out - whether VGA or HDMI. It does not have true mirroring, like the iPad2 does.

What's a DVI-to-VGA connection have to do with sleep?

I've been experimenting with hooking my HDTV to my Mac Pro's 5870 video card. Currently I have my 27" ACD connected to one of the mini displayports (mDP) and a VGA, connected through an Apple VGA-to-mDP (active) adapter to the other mDP. When I want to use the TV I can connect the HDTV to the 5870's DVI connection with a (passive) HDMI-to-DVI adapter. It works. Indeed it works too well! Whether the TV is taking input from the computer or not the computer thinks the TV is a third monitor which can get very confusing when the mouse is accidentally moved off my ACD on to the TV (6 feet away) and I can't find the cursor. Another minor nit is that using the DVI means no audio can be passed on the HDMI so the computer speakers are used unless of course I hook up a separate audio connection.
I could get around the 3-monitor problem using SwitchResX but I prefer not to. I'm willing to simply manually connect and disconnect the HDMI cable on those few times I want stream stuff to the TV. But as an alternative I tried switching the TV and VGA connections, i.e., connect the TV to the mDP through a (passive) mDP-to-HDMI adapter and the VGA through a (passive) VGA-to-DVI adapter.
This second scheme also works. However because all the adapters are now passive the VGA will disconnect when the HDMI is plugged in. Ok. I can live with that and I understand the behavior due to the 3-monitor limitations of the 5xxx cards (i.e., active adapters required).
All the above was just background and context leading to the question I entitled this post with. Forget the HDMI connection. I have the ACD connected to its mDP and the VGA through the passive VGA-to-DVI adapter (i.e., the second scheme I described above). With this configuration my machine will not sleep on its own (i.e., at the time the energy saver specifies). I can "manually" put it to sleep ("Sleep" from the Apple menu). It just won't do it on its own (and none of the checkboxes in energy saver are checked -- wake for network for example -- and no active processes are running that would explain this behavior either).
Experimentation has shown that it is somehow related to using the VGA through the DVI. If I put my original configuration back (VGA-to-mDP) the machine will sleep on its own at the designated energy saver preference time.
What I don't understand is what's a DVI connection have to do with the energy saver sleep setting? The only remote possibility I can think of is perhaps the screen saver is running on both the VGA and ACD and an active VGA is sufficient to make the machine think there's activity when connected through the DVI (but not when connected through the mDP).
Of course none of this is really a serious problem. I'm only asking for academic interest.

I know I can do that but that's not the subject of this thread! I'm only asking why would a VGA connection to DVI keeps the computer from sleeping on its own.
And, oh, by the way, another audio alternative is something like this,
http://www.gefen.com/gefentv/gtvproduct.jsp?prod_id=5279
although this requires stringing a separate audio cable.

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From:
http://support.apple.com/kb/HT4214
Can the HDMI port drive analog displays (VGA displays for example) using adapters?
No. The HDMI port will drive digital connections—such as DVI—using the adapter that came with the Mac mini, but cannot be used for analog displays such as VGA. You can purchase a Mini DisplayPort to VGA adapter separately to drive analog displays.
If yo really need ton use two VGA monitors yo willneed a UBS video adopter
http://www.kensington.com/kensington/us/us/p/1505/K33974AM/universal-multi-displ ay-adapter.aspx#.UxSD9_mwKBo
or
http://www.kensington.com/kensington/us/us/p/1505/K33974AM/universal-multi-displ ay-adapter.aspx#.UxSD9_mwKBo

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I bought the HP HDMI to VGA adapter to use on my Windows 8 ultrabook. It does not work and nothing shows on the second monitor/ projector (reminas black as if no signal is received in the projector). I have tried all the usual tweaks and I know how to connect to a second screen.
Is this adapter not compatible with Windows 8? if so is there a fix that I can download to get it to work?
It was very embarrassing to try and use this in a corporate presentation and it failed.

Yes an HDMI to VGA adapter will work fine. Keep in mind it will not carry audio but neither did your old vga connection so I am assuming it is not a problem.
You would find an HDMI to VGA at any Best Buy or you can order on one amazon.com such as here:
http://www.amazon.com/BestDealUSA-Adapter-Converter-Laptop-NoteBook/dp/B007PLL4CK/ref=sr_1_2?ie=UTF8...
Connect the projector and use the Windows key at the lower left of the keyboard and the p key at the same time and it brings up a "projector" console that lets you easily switch from laptop to projector to laptop + projector.
If this is "the Answer" please click "Accept as Solution" to help others find it.

HP Pavilion dv6700 CTO Notebook PC and I hook to HDMI cable and connect to tv and get no sound

i have a HP Pavilion dv6700 CTO Entertainment Notebook PC and I hook to HDMI cable and connect to tv and get no sound when attached to tv. I attach the cable get the video but no sound. I check sound and do not see anything other than the altec lansing speckers and realtek. Th altec lansings are the default. Help

Hello gman0700.
Welcome to the HP Forums. I understand you are unable to produce audio through an HDMI connection. I apologize for the late response, but I will do my best to assist you. Before anything else, please answer these questions:
1. What is the current computer's operating system? Does the same behaviour occur on multiple operating systems?
2. The title seems to imply that there is no audio when connected to a television, using HDMI. Does this only occur when you connect to a television? Will it occur if you connect to something else using HDMI?
3. Have you tried connecting to a television using VGA or DVI? If so, what are the results?
As an additional suggestion, for now, I would review the television's manual to confirm that everything is correct from the television's standpoint.
Please post this information as soon as you can. Thank you posting on the HP Forums. Have a great day!
Mario
I worked on behalf of HP.

HP Slate 500 and HP HDMI to VGA Display Adapter (NP031AA)

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Do these two products work together?
What VGA resolutions can I project using this cominbation of products? Am I limited to 1024x600? or 1024x768? or does it support displaying higher resolutions?
I'm thinking about making a purchase but I don't want to get the adapater if it isn't going to work.
Thanks,

Yes an HDMI to VGA adapter will work fine. Keep in mind it will not carry audio but neither did your old vga connection so I am assuming it is not a problem.
You would find an HDMI to VGA at any Best Buy or you can order on one amazon.com such as here:
http://www.amazon.com/BestDealUSA-Adapter-Converter-Laptop-NoteBook/dp/B007PLL4CK/ref=sr_1_2?ie=UTF8...
Connect the projector and use the Windows key at the lower left of the keyboard and the p key at the same time and it brings up a "projector" console that lets you easily switch from laptop to projector to laptop + projector.
If this is "the Answer" please click "Accept as Solution" to help others find it.

HDMI or VGA connection?

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