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Date: Fri, 27 Jan 2023 12:58:56 -0700
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Subject: Re: Cygwin X11 on second (Nvidia) graphics card
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From: Brian Inglis via Cygwin <cygwin AT cygwin DOT com>
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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].

-- 
Take care. Thanks, Brian Inglis			Calgary, Alberta, Canada

La perfection est atteinte			Perfection is achieved
non pas lorsqu'il n'y a plus rien à ajouter	not when there is no more to add
mais lorsqu'il n'y a plus rien à retirer	but when there is no more to cut
			-- Antoine de Saint-Exupéry

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