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Changing the boot resolution 1280x1024->800x600->1280x1024
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gangstervano
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PostPosted: Thu Jan 11, 2018 9:09 pm    Post subject: Changing the boot resolution 1280x1024->800x600->1280x Reply with quote

Hi,

When I turn on the computer and boot grub, I have the resolution 1280x1024, immediately after the start of the kernel boot resolution is 800x600, (when a text message appears), and then after a few seconds again 1280x1024.

How to configure the kernel / grub, so that the resolution immediately after the start of the kernel a was 1280x1024, rather than 800x600?
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daemonbsd56
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PostPosted: Thu Jan 11, 2018 10:12 pm    Post subject: Reply with quote

Hello,
As far i can see at this stage depending of your grub / kernel config as well as your video card firmware, you can try to add the following line at the top
section of your /boot/grub/grub.cfg ( to be done as root).
set gfxpayload=1280x1024
You can also set up this item with the full grub setup at the the start of your grub menu through the command line input. You can also test in this console with the command
vbeinfo
if your hardware will support other resolutions.
This is the quickest setup.
Otherwise you will have to looki n detail at the kernel graphic driver section regarding the video card and the framebuffer value. To find out the final solution i solved
this topic setting the video cards as modules. Normally during installation, Gentoo installs the firmware modules package (eg Nvidia...).
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alessiomineni
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PostPosted: Mon Mar 11, 2019 6:58 pm    Post subject: Re: Changing the boot resolution 1280x1024->800x600->1 Reply with quote

gangstervano wrote:
Hi,

When I turn on the computer and boot grub, I have the resolution 1280x1024, immediately after the start of the kernel boot resolution is 800x600, (when a text message appears), and then after a few seconds again 1280x1024.

How to configure the kernel / grub, so that the resolution immediately after the start of the kernel a was 1280x1024, rather than 800x600?


Edit /etc/default/grub , search for GRUB_GFXPAYLOAD_LINUX and set ="keep". Save and exit.
run grub-mkconfig -o /boot/grub/grub.cfg
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