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DVI to VGA Adapter


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11 replies to this topic

#1 prbimaniac

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Posted 13 August 2011 - 11:49 PM

Hi All,

My father in law gave me a computer that only has DVI ports (I believe DVI-I) for the video card. My monitor only has vga connection. I purchased a DVI - VGA (15 PIN)adaptor. I retured the first one thinking it didn't work but now the second one doesn't work either.

Is there a setting on the monitor that I need to change for this to work?

the component that I purchased is My link

Does anyone know what I can do to make this work?

Edited by prbimaniac, 13 August 2011 - 11:51 PM.


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#2 Platypus

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Posted 14 August 2011 - 02:29 AM

Is there a setting on the monitor that I need to change for this to work?

If there is only a VGA input on the monitor, there isn't any setting to change. But does the monitor have an unnoticed HDMI input by any chance? If it does, you may need to change the input selection in the monitor's on-screen menu. But then you could also use HDMI to connect directly to DVI with a suitable cable.

If the monitor definitely only has VGA, I guess you have tried both DVI ports? Since you used the plural I assume there are two. Also, are you able to confirm from the specifications of the computer system that the DVI ports are in fact DVI-I, not DVI-D? If they're DVI-D you'd expect they wouldn't have the facility to accept the adapter pins, but it's possible the analog port connections are dummies.
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#3 prbimaniac

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Posted 14 August 2011 - 10:32 AM

Thanks for the Reply:

Based on the research and by looking at the port, the new computer uses DVI-I. It does have two ports and did try both of them with two different monitors. My old computer has a VGA and DVI-I port and the adapter doesn't work with that one either.

It just seems strange that I would have the unfortunate luck of receiving two adapters that don't work.

#4 prbimaniac

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Posted 14 August 2011 - 07:06 PM

I went today and purchased a DVI-A to VGA cable to go direct from the computer to the monitor. It works on my old computer but not my new one. the new computer is using a GeForce GTX460. Am I able to use a converter with this kind of graphics card?

#5 Platypus

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Posted 14 August 2011 - 07:18 PM

Am I able to use a converter with this kind of graphics card?

It depends whether the manufacturer has implemented a DAC on the card. What brand and model is the card?
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#6 prbimaniac

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Posted 14 August 2011 - 07:28 PM

Model is GeForce GTX460.

#7 Platypus

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Posted 14 August 2011 - 07:41 PM

GeForce is the name used by the video chip manufacturer (nVidia) and the GTX460 is the type of chip. The card could be made by (for) nVidia, but it could be from many manufacturers like MSI, EVGA, Gigabyte etc and each may have versions with and without a DAC. Are you able to examine the card to see if it has a brand and model on it somewhere?
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#8 prbimaniac

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Posted 14 August 2011 - 07:57 PM

the manufacturer is evga. I can't really see a model number.

#9 Platypus

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Posted 14 August 2011 - 08:20 PM

Have you been able to connect a DVI monitor to the computer to make sure the video card is actually working?
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#10 prbimaniac

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Posted 14 August 2011 - 09:50 PM

yeah that's next...I need to buy one first. I was hoping for a quick fix.

#11 CohenTheBarbarian

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Posted 18 August 2011 - 08:07 AM

Just one quick thought - does the motherboard also have an onboard graphics card?

Edited by CohenTheBarbarian, 18 August 2011 - 08:08 AM.


#12 prbimaniac

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Posted 21 August 2011 - 06:56 PM

thanks for the help,

after trying various adapters, new monitor, testing the video card and the motherboard; it turns out that one of the slots of RAM was not posting and another failed.

Computer now works.




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