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MA785GM-US2H | Onboard IGP question

Last response: in Motherboards
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September 22, 2010 1:59:48 PM

Not sure if this should be posted in the mobo section or graphics section, but...

I have a Gigabyte MA785GM-US2H and I just purchased a discreet graphics card (Radeon HD 4670 - got a good deal on it).

My question is do I need to "disable" the onboard IGP after I install the new graphics card? Is there even a way to do that on this mobo? Or is it even necessary?

Any help is appreciated.

Thanks.

a b U Graphics card
a b V Motherboard
September 22, 2010 3:14:52 PM

Yes, In Bios you should have a selection for onboard video.
Install the driver(or ccc and driver) for your new card. Turn off computer, pull plug, open case.
Install new card. Connect monitor to new card. Boot to Bios and disable onboard video. reboot.
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Best solution

a b V Motherboard
September 22, 2010 8:22:36 PM

If I got the manual for the proper revision of your board, you'll want to toggle to following in the BIOS (mhelm1's steps tell you when to change this):

On the Advanced BIOS Features page of your BIOS:

Set "Integrated Graphics Mode" to disabled.
Set "Init Display First" to PEG.

That should do it.
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September 29, 2010 5:02:33 AM

Best answer selected by mick3035.
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September 29, 2010 5:05:59 AM

Thanks, guys. Worked perfectly. My option was actually for "IGX" in BIOS, but same difference. And for anybody else with the same mobo, just FYI, when you disable the onboard graphics, you get a half gig of RAM back for your system.
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