I have dvi connection on my com ans i have a vga conn on my proscan 42" hdtv. I went and got adaptor for the dvi to vga connection but i still get no signal. I'm running windows vista home premium 32 bit and my video cards is invdia 8800 sli
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You need a VGA cable (15 pin) connected from PC (monitor out) to the PC input on the HDTV (15 pin) this is for the video. For the audio, connect from PC to HDTV, audio cable, either 3.5mm from earphone out on PC to HDTV 3.5mm audio input (next to PC VGA input) and also be sure to set PC screen resolution to compatible output for HDTV like 1024 X 768 or 600 x 800 etc.
1. S-Video ? This is probably the most common method out there currently because an S-Video cable is cheap as heck and just about every TV under the sun has a S-Video port. You?ll have to make sure you laptop is equipped with this port. Remember, there are two types of S-Video cables: 4-pin and 7-pin. Most laptops and PC?s are equipped with a 7-pin port, so if your TV only has a 4-pin S-Video port, then this method will not work. 2. VGA ? If you have a HDTV, then you will be better off connecting using a VGA cable. It gives much better quality than S-Video and as with S-Video, the cable is very cheap. You usually won?t find a VGA port on regular TV?s though, so this option is if you have an HDTV. 3. DVI - DVI stands for Digital Visual Interface with ?digital? being the key word there. The digital signal will give a higher quality picture than either S-Video or VGA. Of course, your computer will need to have a DVI connection and your TV will need to be an HDTV. This cord is definitely not cheap, it ranges anywhere from $40 to $80. 4. HDMI ? Using HDMI will give you the best quality by far. No computers that I know of yet have HDMI ports, but you can get a DVI to HDMI cable to connect it to your HDTV. HDMI is compatible with DVI. 5. Scan Converter Box ? This is the last method that I could think of and it involves using a scan converter box, which takes a VGA signal and converts it into S-Video or component video.
--==<[ DVI to VGA vs. DVI to HDMI ]>==--
Caleb, what you really want to do to get your Macbook working with the Insignia HDTV is to >RETURN< and exchange the DVI to VGA adapter for a DVI to HDMI adapter. This is assuming your hdtv has HDMI inputs (which I'm pretty sure all the insignia ones do! I own a 1080p 32" Insignia HDTV and it has 4 HDMI's). The reason you should exchange them is that DVI and HDMI are essentially the same connector (and a better connection than VGA), the only difference between DVI and HDMI is that HDMI additionaly contains two audio channel wires. HDMI (which is a smaller version of DVI) is a digital signal and will give you perfect picture quality compared to the analog 'pc vga' type connector you were converting it to with the adapter you described (not to mention it will probably just work immediately since there is intelligent 'handshaking' that goes on with an HDMI connection, so it will tell your HDTV what resolution to use rather than it having to guess....)
I am guessing by now you solved the problem since it was in June that you posted and it's now November as I write this, but I figured you're probably not the only one who tried hooking it up that way. And most people don't seem to realize that DVI and HDMI are essentially the same type of connection, just smaller, with audio added. So someone will most likely benefit from this posting =)
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So you have a mac with a mini-dvi slot, you have a mini-dvi to dvi adapter, and then Dvi to vga adapter which connects to the tv?
The mini-dvi to dvi adapter doesn't have the analog VGA signal your tv needs. If I understood right.
Apple's mini-DVI to DVI-D cable does not carry the analog signal coming from the mini-DVI port on the Apple computer. This means that instead of buying a single mini-DVI cable from Apple and using a cheap DVI-to-VGA adaptor when you need VGA output, you must purchase another mini-DVI cable from Apple.
The best way is to buy a graphics card with HDMI output. This will dsplay your PCs desktop the way it's supposed to look, and will appear much sharper and clearer than using vga, as the output is digital to begin with. If you don't need to play the latest games, you get get one for around $30. Add a wireless mouse and keyboard and you'll be able to control everything from your armchair. You can also then use your PC to download and watch films etc from the internet..
to get high definition you will need to use either the vga or dvi output from your notebook and connect to the DVI input on the tv, vga connection on the tv will only give 480i whereas dvi will give upto 720i