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Old 05-24-2010, 04:05 AM
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Join Date: May 2010
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Default Getting video signal from PC to TV via wifi

Before I begin, I would like to say that this will be a somewhat lengthy question, but one that I'm sure someone that knows the answer would be happy to answer.

I would like to make my TV act as a second monitor for one or more PC's. I already know how to directly connect it via VGA and S-video through cabling and display settings, and I also know how to do so with a direct independent wireless connection through the USB port to the TV. What I want to know is if it's possible to do via an existing wifi connection.

To explain further, this is my current setup;

One laptop PC, connected to the home network via wifi;
One HDTV with open VGA and S-video ports, with audio in on both ports, plus open HDMI and composite ports, but no USB or Ethernet ports;
home theater system connected to audio output of TV;
Playstation 3 and cable box connected to TV via open ports;
Wireless router near enough to TV and entertainment area to be connected via Ethernet;
PS3 connected to router via ethernet cabling;
software media server installed on laptop PC and successfully streams audio, video and pictures through network to PS3 to display on TV.

As I have it set up now, I can watch movies that are stored on my PC or external hard drive connected through my PC via my PS3 on my TV, and it is essentially wireless as my laptop is connected to the network solely through the wifi connection. However, my goal is to make the TV act as either a mirrored or an extended monitor for my laptop so as to be able to work using the TV screen as opposed to just watching movies. I do not want to use an independent direct wireless connection between the laptop and TV as my area is already saturated with rogue wireless signals from other people in the area. So I basically want to know if it's possible to send video and/or audio signal wirelessly from my laptop, through the existing wireless network to the wireless router, out via ethernet, and then convert from ethernet to VGA+audio, s-video+audio, or HDMI or composite video. I also want to be able to possibly use a second PC and be able to do the same thing from that PC, and switch back and forth as necessary using the same TV acting as an extended display.

I've already searched for products that offer this type of setup, but all I have found was business level products that run well over $1,000 for the entire setup. I wanted to know if there are consumer level items that are capable of this.

My current understanding is I would most likely need something that essentially acts as a server for the TV that can receive Ethernet signal from the PC(s) and convert to VGA or other, and possibly some type of software or hardware installed on the PC that would send such a signal, but I'm not aware of any products that do this.

Thanks to anyone that actually read through this entire question. If you need further clarification just let me know.

-Cheers!
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Old 05-24-2010, 07:48 PM
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Join Date: May 2010
Posts: 10
Default

I don't know of any commercial product to do what you want to do.

A couple of solutions comes to mind.

I have a HTPC connected to my HDTV hardwired. With it I use a RF wireless keyboard and trackball so I can control the HTPC from my couch.

That is my main HTPC. I also have 2 other HTPCs connected to my HDTV that I mainly use fir recording shows off of the air. To control them from my couch I use my laptop PC with the UltraVNC Viewer. The HTPCs have the UltraVNC Server installed. The VNC software is free, by the way. In addition to being able to control the HTPCs for video recording and playback, I can also run the remote desktop from my laptop for web surfing or running other applications.

So there are two possibilities provided you can hard wire a PC, preferably via VGA or better, to your HDTV. I would caution you on doing that with a plasma HDTV though because of possible burn in problems, but an LCD HDTV would be fine.
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Old 06-01-2010, 12:42 PM
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Join Date: May 2010
Posts: 4
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Here,wonderful and very informative information you share with us.This one is the very technical thing to keep in mind about the getting a video signal from the pc to tv via the best wireless Internet service wi-fi.Today,the demand of wi-fi is in the drastic mode so you provide perfect use of wi-fi in the mode of transmitting video signal.
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Old 10-18-2010, 02:47 AM
Junior Member
 
Join Date: Oct 2010
Posts: 1
Lightbulb

Currently have:
I have a similar situation to yours.
HDTV connected to PS3, which in turn is connected via wi-fi to a Media Server on a Ubuntu PC in my office
I have a laptop that I use to remote desktop into my Ubuntu machine over wi-fi (to change settings in the media server, or startup/refresh, if there is need)
I'm able to host a media server on my laptop, also over wi-fi, so that I can stream media to my PS3

What I need:
I want to be able to use the HDTV as a second monitor (extended desktop, and not mirror) over wi-fi using media server streaming from my laptop.
i.e. have some sort of software or plugin to media server on my laptop which will simply send video ( and/or/no audio) that will act as a second monitor (capture and stream everything that is on a virtual second screen of chosen resolution)
That in turn can be streamed through PS3 onto an HDTV using HDMI cables.
Can anyone suggest something that can do this?
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