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Connect PC to TV


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#1 mentalmaniac

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Posted 20 March 2012 - 06:29 AM

Alright, I'll try and sum up my problem. I have an XFX Radeon HD 6850 1GB that has 4 ports. 2xDVI 1xHDMI 1xDisplayport. I have a Dual 24" Monitor setup where I use both DVI ports. I like to watch movies which is fine when I am alone, but if I invite someone over it would be pretty lame to watch on a 24" monitor. I want to buy a TV so that I can have a bigger screen for guests and stuff. This is where the problem starts. I can uses 3 ports at a time but only if I use the displayport, my monitors don't support this and I've never seen a tv that did. So I was wondering, I don't really need a 3 monitor setup, Can I just have the TV mirror one of the other monitors? or is it possible to have the TV plugged into the HDMI port and then I can just switch to it when I need to? Like, switch between using 2xDVI to 1xDVI 1xHDMI on command? That would be ideal solution because that way my GPU wouldn't have to run 3 monitors when the 3rd one would go to waste 95% of the time. I am just trying to figure out the most cost effective way(including electric bill) to watch a movie from my computer to a TV. Thanks to anyone who tries to help in advance.

PS, Im sure I have a lot of PCI slots available on my motherboard. So if there is some kind of inexpensive adapter I can get, that would work

Edited by hamluis, 21 March 2012 - 09:15 AM.
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#2 rotor123

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Posted 20 March 2012 - 05:08 PM

A couple of options.

You could get a displayport to HDMI adapter
Or a DVI to HDMI and a audio cable.

From Here, which is what I ran across yesterday while searching to see why the Gigabyte 6850 would only drive one VGA Monitor. It turns out that on that card the bottom connector had to be DVI-D despite coming with Two DVI to VGA adapters. It was a stupid design putting DVI ports that a DVI-A can plug into but not supporting them.

Anyway

From Here: http://www.tomshardware.com/forum/321926-33-radeon-6850-monitors

EyeFinity requires that the DisplayPort be used to connect to one of the monitors. If you do not have a monitor with a DisplayPort, then you must purchase an Active DisplayPort to DVI adapter. Allowable configurations are as follows:

1. DVI / DVI / DisplayPort
2. DVI / HDMI / DisplayPort

You cannot use DVI / DVI / HDMI because the video signal chip that all three are connected to can only output to 2 monitors. DisplayPort has it's own video signal chip which is why using the DisplayPort is required for EyeFinity.


just took a quick look and Displayport to HDMI is fairly cheap (Under $20) or you can go Displayport to VGA for another monitor.

Converting to HDMI is probably the easiest way to go. That'll give you three displays.

Good Luck
Roger

Edited by rotor123, 20 March 2012 - 05:17 PM.

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#3 mentalmaniac

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Posted 20 March 2012 - 05:52 PM

thanks. yeah, i was thinking displayport to hdmi was my best bet. however, will running a third monitor put extra stress on my video card? because I will literally only use it once in a while. It it possible to turn off third monitor support when i am not using it?

#4 rotor123

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Posted 21 March 2012 - 09:31 AM

HI,
As was said above "DisplayPort has it's own video signal chip which is why using the DisplayPort is required for EyeFinity."

Thus it should not have any impact on the video card performance. Not to mention when the TV is not connected the Display port should go inactive. That may depend on the TV set. Since I use my HDTV as my only monitor, Size does matter, Not a biggie for me.

The alternative to using the display port is to use a DVI to HDMI converter cable and only have one monitor.

Cheers
Roger

Edited by rotor123, 21 March 2012 - 09:31 AM.

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#5 Nephilim1955

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Posted 22 March 2012 - 02:14 AM

I have one of my computers hooked up in the living room on a new 46" Sony. The TV has built in wireless, for Netflix, Pandora, etc. Called Internet ready. Does Bluray. Does 3D. Has so many jacks on the back you can get lost. The computer has DVI out, which I connect to HDMI In. When you turn the computer on, the TV (now a big monitor) will automatically adjust the screen resolution. I hit HOME on the remote, then choose PC. And I'm ready to go. Has a beautiful picture. I can spend hours on the computer without getting eye strain. I zoom the screen to 190%, makes everything very easy to read. Cost, about 1300US. The 55" is 1800US. I had the 55" but returned, too large for my small living room. Samsung is good, too. Many with even better color. Well, there's my two cents worth.

Nephilim

Edited by Nephilim1955, 22 March 2012 - 02:29 AM.





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