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BringerOdeath

GT72-6QD and Alienware GTX 980M

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Hello Everybody,

 

I have a GT72 6QD that came with a GTX 970M and I swapped in an alienware M18 GTX 980m 8GB, but nothing comes up on the laptop screen. It does display video through the HDMI port to a tv or monitor. I updated the nvidia driver and now nothing comes up through HDMI or the laptop screen. I can tell it's booting since the caps lock keys and other F keys work, I just have nothing on the screen.  Would this be related to the Alienware GTX 980 Vbios?

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It does have G-sync. Is there a specific bios that it has to have because of G-sync? I put the 970m and the 980m in a 2 year old sager that had an 870 m and boards work perfect on that laptop. I am leaning towards the card bios or the motherboard bios.... Is there an msi G-sync gtx 980m bios I can flash on the card?

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I don't think think the alienware m18 GTX 980m has a G-sync enabled bios. I think this would be why the screen is blank while still outputting to a TV or monitor through the HDMI port. Can a G-sync bios be flashed onto a  a gtx 980m that was not originally for G-sync?

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51 minutes ago, BringerOdeath said:

Can a G-sync bios be flashed onto a  a gtx 980m that was not originally for G-sync?

 

No. There are slight board changes (An added resistor) and a new hardware ID.

Cross flashing will brick the GPU.

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Is it related to gsync, why the screen wont display anything? Is it that the non gsync card wont work when the screen has gsync enabled

Edited by BringerOdeath

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I put the G-sync GTX 970m back in the laptop and it works just fine and the screen is visible. Would there be something the lcd panel itself that hs to have a Gsync card installed for it to display anything?

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Can someone answer this question?! If the laptop is a gsync laptop and I replace the gsync video card with a non gsync card, would that cause the screen to have no image? Does the monitor have a Gsync chip in it that requires a gsync card to even display and image on the internal monitor? Since I replaced the gtx 970m gsync with a gtx 980m non gsync, would this be causing the issue?

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