nenhuma das soluções abaixo resolveu o problema
echo 'core' > /sys/power/pm_test
https://bbs.archlinux.org/viewtopic.php?id=117643
http://thecodecentral.com/2011/01/18/fix-ubuntu-10-10-suspendhibernate-…
/usr/bin/smbclient -L HOSTNAME -U user
smb://nome_de_utilizador:palavrapasse@NOME_PC/NOME_IMPRESSORA
hwinfo --framebuffer para determinar as resoluções possíveis ou no grub com o comando "vbeinfo".
edit /etc/default/grub uncomment the GRUB_GFXMODE=640x480 and change the resolution to something you can use e.g. 1024x768
edit /etc/grub.d/00_header search for: set gfxmode=${GRUB_GFXMODE} on the next line insert: set gfxpayload=keep verify that the new line is before insmod gfxterm
run update-grub