Question about ASUS M5A78L-M LX3

Zombirate

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Mar 20, 2015
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4,510
EDIT: Fixed it, if a mod wants to delete this thread that'd be swell.

Hi all!

I have a question regarding the motherboard listed in the title - I've read that this motherboard has onboard graphics but I don't see an option to enable it in the BIOS. I'm also running an Nvidia 750 Ti which is outputting to my main monitor, but I'd love to use the motherboard's graphics to output to a secondary monitor.

If I try plugging a VGA cable into the motherboard, no signal is sent to the secondary monitor. Is there some setting I'm missing? Can this not be done/do I have to have them running all GPU or all motherboard?

Also I'd like to say thanks for the multitudes of solutions you guys have unknowingly provided me over the years, I should have signed up a while ago!

EDIT: there is an option to set the onboard graphics as my primary output but would that mess with my GPU at all? Would I still be able to set the monitor attached to my GPU as the primary monitor on which games would open/be rendered on? Quite new to having an actual PC that isn't a laptop, haha.
 
Solution
If it's an APU and you have a GPU plug all cables into the GPU.
Just to make sure to APU is working disconnect the GPU and plug all cables directly into the motherboard.
If it's an APU and you have a GPU plug all cables into the GPU.
Just to make sure to APU is working disconnect the GPU and plug all cables directly into the motherboard.
 
Solution
use you gpu for the second monitor also. you must use an adaper to do. so DVI-I to VGA(DSub) and you must connect it to a DVI-I gpu input.!

CAB-1410.JPG


1)you cannot use mobo HD 3000 onbord graphics with any gpu.!

2)Integrated ATI Radeon™ HD 3000 GPU
VGA output support : RGB port
Supports RGB with max. resolution 2560 x 1440 @ 75 Hz

doesnt support multimonitor!

3)if you already using an analog monitor, you wont be able to add another one to your gpu!

 
I figured it out myself but thank you a lot for your answers!

Turns out setting the iGPU as the default just enables the onboard graphics. My actual GPU is still working with the main monitor and playing games just fine.

@Chris, it does work and is working absolutely fine. Thanks, though.