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Subject: Re: Cygwin X11 on second (Nvidia) graphics card
Date: Sun, 29 Jan 2023 18:18:43 +0100
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From: Franz Fehringer via Cygwin <cygwin AT cygwin DOT com>
Reply-To: Franz Fehringer <fehrin2 AT gmail DOT com>
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Am 27.01.2023 um 20:58 schrieb Brian Inglis via Cygwin:
> On 2023-01-27 08:22, Franz Fehringer via Cygwin wrote:
>> I have a question which seems quite natural but i cannot find anything 
>> useful using google & co.
>> My (business) notebook has two graphics cards, one builtin identifying 
>> as Intel Iris Xe and an additional one, a Nvidia MX550.
>> I start X11 (xwin) with defaults (-listen tcp is the only extra option).
>> Using nvidia-smi and the Nvidia activity dialog i see that the Nvidia 
>> graphics card is not used.
>> Using glxinfo i see that the builtin Intel Iris Xe is used instead.
>> I already prefer Nvidia over Intel via the Nvidia control panel.
>> How do i make X11 and OpenGL use the Nvidia graphics card instead of 
>> the Intel one?
> 
> $ man Xwin # See OPTIONS FOR SPECIFYING X SCREENS
> 
> In your XWin Server shortcut etc., add server options -multimonitors or 
> -screen ... after startxwin ... -- ["--" required to allow server options].
> 

Using these options does not change anything.
The XWin server simply doesn not detect the second (Nvidia) graphics card.
I think i will repost with a more concise subject.



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