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Old 02-24-11, 08:38 AM   #1
geisj
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Default GT420M not working

Wow what is going on with NVIDIA. I have always bought NVIDIA based laptops and desktops.

My recent purchase was the Dell XPS 15 - I first looked and yes it had a GT420M NVIDIA chip and 1080p.

I even checked the "supported" section in the latest drivers release for the GT420M - and yes its there.
So I thought I was good.

I installed linux and the latest binary drivers. X windows wont start.
it says no screens found.

I dont care about battery usage or anything as for my purpose the laptop is plugged in when I am using it.

I just need X windows to come up?

Is this possible with GT420M under linux or not?

Please help.

Jerry
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Old 02-24-11, 09:34 AM   #2
Licaon
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Default Re: GT420M not working

Quote:
Originally Posted by geisj View Post
Wow what is going on with NVIDIA. I have always bought NVIDIA based laptops and desktops.

My recent purchase was the Dell XPS 15 - I first looked and yes it had a GT420M NVIDIA chip and 1080p.
Optimus enabled laptops are not currently Linux compatible, see the big thread: http://www.nvnews.net/vbulletin/showthread.php?t=144750
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Old 02-24-11, 09:39 AM   #3
oyvind
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Default Re: GT420M not working

Looks like that laptop is Optimus-enabled [1], which AFAIK is currently not supported by the binary nvidia graphics driver [2].

[1] http://en.wikipedia.org/wiki/Nvidia_Optimus
[2] http://www.nvnews.net/vbulletin/showthread.php?t=144750
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Old 02-24-11, 10:26 AM   #4
geisj
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Default Re: GT420M not working

So "HOW": can the release page say GT420M is supported under linux????

If I cant get X windows running with their driver - how can that be listed. I thought
I did all my homework and now Dell is saying there is a 15% restocking fee.

I am stuck.

Jerry
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Old 02-24-11, 03:53 PM   #5
geisj
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Default Re: GT420M not working

I cant even get VESA mode to do anything.
I'm shocked... been using NVIDIA for 18 years and now I am forced to find another solution.

I cant believe they didnt require a BIOS option or something to disable this insane idea.

jerry
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Old 02-24-11, 04:11 PM   #6
oyvind
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Default Re: GT420M not working

Quote:
Originally Posted by geisj View Post
I cant even get VESA mode to do anything.
I'm shocked... been using NVIDIA for 18 years and now I am forced to find another solution.

I cant believe they didnt require a BIOS option or something to disable this insane idea.

jerry
Yeah, caveat emptor when bying new Nvidia-based laptop intented to run Linux these days... Hope there will always be non-Optimus options available in the higher end laptop ranges. Otherwise my next laptop will not be Nvidia-based. And yes .. Stuff like Optimus should be controllable from BIOS (i.e. option to disable COMPLETELY or select which graphics chipset to enable), to ease the situation for OS-es other than Windows.
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Old 02-25-11, 05:14 PM   #7
Licaon
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Default Re: GT420M not working

Quote:
Originally Posted by geisj View Post
So "HOW": can the release page say GT420M is supported under linux????
it's supported on NON-Optimus laptops ( are there such laptops anyway? )
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