Graphics Card Not Showing Up In DXDIAG Clean Install NewMobo

June 5, 2012 at 21:41:16
Specs: Windows XP-64bit, 3.1ghtz OEM quad core intel, 8gb 1600
I built a new computer because my previous one's hard drive gave out and I figured it was time for a replacement so I could play D3, DotA 2 and NS2. After a couple of days of tinkering to get XP to recognize my drive with my new Mobo I got XP-64bit to install. BUT when I run dxdiag and go to display my GeForce 9800 GT isn't showing up. I tried installing the drivers from the nvidia website but when I started installation it said it wouldn't do it because there was no card. Very frustrating.

I use my graphics card as my adapter for my screen so I assume that it's not the graphics card (also, xp-64 bit recognized it on my old system before it started crashing). It must be the new mother board. It's a Gigabyte GA-Z77X-D3H.

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June 6, 2012 at 07:04:02
Please check your bios for you video configuration. Some bios you must enable the video card if you have an integrated video card. If you are trying to install drivers and working on the computer, I must assume you have an integrated video. Or you may have to disable your integrated. Best bet, your video card isn't turned on in bios or you have a non supported card. What type of slot is it? PCI-e?

The Computer Dr
Chris Robertson

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June 6, 2012 at 07:45:45
Why are you running XP x64? How did you go about installing it? Did you slipstream the SATA drivers into the disc? Or press F6 & load the SATA drivers from a floppy? Or did you set the SATA BIOS setting to IDE compatibility mode, then install XP & the SATA drivers, then re-enable SATA mode?

If you're getting a display, the card is obviously working. Did you install the drivers for the Intel Z77 motherboard chipset? And I see you have "switchable graphics" so make sure that is setup correctly.

Is this the graphics drivers you attempted to install?

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June 6, 2012 at 08:42:52
"Did you install the drivers for the Intel Z77 motherboard chipset?"

You MUST do that. They're NOT built into XP.

The Switchable Graphics feature is for Windows 7 only.

Lucid Virtu MVP - Windows 7 only

Info and video about Virtu MVP features here:

The Intel Z77 main chipset supports a form of Hybrid video - both the onboard video and the video on a card in a PCI-E X16 slot working at the same time.

You may need to change a setting or two in the bios Setup.


Under Peripherals in the bios Setup

Page 53

Init Display First
Default: Auto
that may NOT work fine as is when you have a PCI-E X16 card installed
set that to PEG

Internal Graphics
Default: Auto

That may work fine as is.
If you want to disable the onboard video, set that to Disable.

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