Richard Shaw wrote:try adding a VESA mode, something like "vga=..." I'm not sure what resolution you want to run but try "vga=ask" the first time and pick the one you like the most. If you're happy with it change the parameter to "vga=0x<mode>". I found out the hard way that you need to put "0x" on the front of whichever mode you choose.either a hex value or a decimal value may be passed. "0x" is used if you pass a hex value, else value passed will be taken as being a decimal value. some basic resolution codes, in decimal, are: colors bits 640x480 800×600 1024×768 1152×864 1280×1024 1600×1200 256 8 vga=769 vga=771 vga=773 vga=353 vga=775 vga=796 32K0 vga=784 vga=787 vga=790 vga=354 vga=793 vga=797 65K0 16 vga=785 vga=788 vga=791 vga=355 vga=794 vga=798 16M7 24 vga=786 vga=789 vga=792 vga=795 vga=799
Maybe, maybe not. I have several laptops here. Each one produces a different list of possible VGA modes.
Your actual VGA modes depend solely on your video BIOS. I looked, and I was unable to find any way to obtain a list of supported video modes from userspace. The boot time prompt is the only time yu see them.
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