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Radeon 7870 no display

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Last response: in Graphics & Displays
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January 31, 2013 11:05:08 AM

Hello,

I have just finished building my first pc. When I do first boot, there is no display, but it worked when I tested just the mobo/video card(7870)/ram outside the case and it was connected with vga cable to my mobo. I also have display when I took out the video card. Is this because I need to connect my video card to the monitor? The reason I havent is because it needs dvi/hdmi and i only have vga cable atm.

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a b U Graphics card
January 31, 2013 11:15:00 AM

When you put a discrete graphics card in, it automatically disables the built-in video on the motherboard. So you then HAVE to connect your monitor to the video card in order to get video.
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a b U Graphics card
January 31, 2013 11:15:21 AM

Yes the monitor has to be plugged into the video card to use it, except with certain types of virtumvp but that's another issue. Your card should have come with a dvi cable. Mine did.
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January 31, 2013 11:17:45 AM

That is all I needed to know, thx guys! I bought an HDMI on ebay yesterday so it should come tomorrow, i guess I can just install the software today.

I am only curious as to why the display worked when I tested the mobo/video/ram outside the case with the vga cable connected to mobo?
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