Laptops :: Thinkpad 760EL Issues
All the F3 key does is show the menu with the various framebuffer codes and there meanings.
You can also find them here on the "decimal" chart:
http://www.uno.edu/~adamico/banshee/files/vesafb.txt
So you need to edit your lilo.conf and add the line:
vga=xxx
where xxx is the desired mode.
Then run "lilo" to activate your changes and then reboot.
original here.