Normal the Ubuntu bootup screen is not with a nice resolution. When you want to change it, do it following steps.

  1. open the menu.list

    sudo vim /boot/grub/menu.lst

  2. find the content like the below

    kernel /boot/vmlinuz-2.6.15-28-686 root=/dev/hda5 ro quiet splash

  3. add the vga= option at the end of the line, if used for 16-bit color, 1024×768 resolution, allowing vga=0×317

    specific numerical access to the following table:

    Colours 640×400 640×480 800×600 1024×768 1152×864 1280×1024 1600×1200
    ———————————————————————————————————————-
    4 bits ? ? 0×302 ? ? ? ?
    8 bits 0×300 0×301 0×303 0×305 0×161 0×307 0×31C
    15 bits ? 0×310 0×313 0×316 0×162 0×319 0×31D
    16 bits ? 0×311 0×314 0×317 0×163 0×31A 0×31E
    24 bits ? 0×312 0×315 0×318 ? 0×31B 0×31F
    32 bits ? ? ? ? 0×164 ?

  4. save the change and reboot then active

And you can cancel the bootup-splash easy. At the line

kernel /boot/vmlinuz-2.6.15-28-686 root=/dev/hda5 ro quiet splash

remove the quiet and splash options.


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