Abra o terminal e digite:
sudo nano 85-keyboard-configuration.rules
Faça alterações para tornar seu arquivo assim:
# Set up a single virtual console.
SUBSYSTEM=="tty", KERNEL=="tty[1-6]", RUN+="console-setup-tty /dev/%k",
ATTR{[dmi/id]product_name}=="SATELLITE L750*"
# Framebuffer console created. Set up the font on all virtual consoles
# again. This races with Plymouth if fbcon is built into the kernel; but
# the worst case should simply be that fonts don't get set up properly.
SUBSYSTEM=="graphics", KERNEL=="fbcon", RUN+="console-setup-tty fbcon"
Para salvar suas modificações:
Pressione CTRL + X e Y e pressione enter