How to enable 1280x800 resolution in tty?

Solution 1:

1. Install hwinfo since that is the only way i know how. (sudo apt-get install hwinfo OR sudo aptitude install hwinfo)

2. Go to the console (gnome-terminal or any other) and type sudo hwinfo --framebuffer and you will get a short or long list depending on what video card you have. The list will look something like this:

   Mode 0x0335: 320x240 (+640), 16 bits 
   Mode 0x0336: 320x240 (+1280), 24 bits
   Mode 0x033d: 640x400 (+1280), 16 bits
   Mode 0x033e: 640x400 (+2560), 24 bits
   Mode 0x0345: 1600x1200 (+1600), 8 bits
   Mode 0x0346: 1600x1200 (+3200), 16 bits
   Mode 0x0347: 1400x1050 (+1400), 8 bits
   Mode 0x0348: 1400x1050 (+2800), 16 bits
   Mode 0x0349: 1400x1050 (+5600), 24 bits
   

3. Lets say you want the 1600x1200 16Bit Resolution. Then you take the Hex value to the right, in that case 0x0346 and you write it down.

4. Open /etc/default/grub. You will find 2 lines similar to this:

   GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"
   GRUB_CMDLINE_LINUX=""
   

   On the second one, edit that line so it looks like this:

   GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"
   GRUB_CMDLINE_LINUX="vga=0x0346"
   

   As you can see you just put the hex value at the end of the linux line in the grub file and save it. Exit, and type sudo update-grub. Wait until it's finished and reboot.

Solution 2:

First, for grub:

sudo nano /etc/default/grub

and change the line:

#GRUB_GFXMODE=640x480

to this:

GRUB_GFXMODE=1280x800 
GRUB_GFXPAYLOAD_LINUX=keep

Next, add framebuffer to use the card:

echo "echo FRAMEBUFFER=y" | sudo tee /etc/initramfs-tools/conf.d/splash
sudo update-initramfs -u

and don't forget to update grub!

sudo update-grub

source

Solution 3:

To change the resolution of the TTY's (Ctrl+Alt+F1 through F6), the steps outlined on the Ubuntu Community Wiki should do the trick:

This should work in Ubuntu 9.10 and later, Linux Mint 8 and later, and probably also for any distribution based on those versions of Ubuntu that uses GRUB 2.

1. Boot Linux while holding Left shift.
   The GRUB 2 menu screen appears.
2. Press C to access the GRUB command line.
3. Type vbeinfo Enter to access a list of available resolutions.
4. Pick a resolution from the list and write it down.
5. Press Esc to leave the GRUB command line.
6. Boot into Linux.

7. Open /etc/default/grub in your favorite text editor with root privileges.

   sudo nano /etc/default/grub
   

8. Add the following line, where you replace 1280x800 by the resolution you wrote down:

   GRUB_GFXPAYLOAD_LINUX=1280x800
   

   I put it right after the #GRUB_GFXMODE line.

9. Save and exit.

10. Update the GRUB configuration.

    sudo update-grub
    

11. Reboot.

    sudo reboot
    

Now the TTY's should have the specified resolution. Unfortunately, you're stuck with only 16 colors.