I changed the bitmap in ntoskrnl.exe in c:\winnt\system32 directory and I get an error when I start the computer, must the bitmap be 4 bit color? Or I'm I doin anything else wrong?

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TheMag

http://www.mag-web.net/

This is a guess but I think the new bitmap needs to be the same color depth and file size or it will mess with the file it is embedded in.

I'd argue that the file size won't matter.

The file MUST be in 640x480!!!! and the color depth, yes I believe it must be the same, (since I don't think the graphics card drivers haven't loaded)

Since software graphics have a maximum omninacy of 256 colors, i'd recommend keeping it at that..

has to be 4bit, thats all i know

4 bits is 16 colour.

The startup screen is 640x480x4 because at that point, Windows doesn't know what monitor is attached, so it plays it safe.

Bursar is correct