[ubuntu] Problem of vga on ubuntu running on virtualbox

hello all!
i have a vga problem with my ubuntu currently running on virtual box.
i don't have a vga installed and i can't solve the problem on my own, please i need your help.
below are the few things i checked on my terminal while trying to fix the problem but couldn't.
kernel info
root@passccielab:~# uname -a
Linux passccielab 2.6.35-22-generic #33-Ubuntu SMP Sun Sep 19 20:34:50 UTC 2010 i686 GNU/Linux
vga info
root@passccielab:~# sudo lshw -c display
*-display UNCLAIMED
description: VGA compatible controller
product: VirtualBox Graphics Adapter
vendor: InnoTek Systemberatung GmbH
physical id: 2
bus info: pci@0000:00:02.0
version: 00
width: 32 bits
clock: 33MHz
capabilities: vga_controller bus_master
configuration: latency=0
resources: memory:e0000000-e0ffffff

please help me out.........