This is what it says everytime i turn it on:

Gave up waiting for root device. Common problems:
-Boot args (cat /proc/cmdline)
-check rootdelay= (did the system wait long enough?)
-check root= (did the system wait for the right device?
-- missing modules (cat /proc/ modules; is/dev)
ALERT! /dev/disk/ by-uuid/31d3ee3a-8231-48ae-88ce-fdcf1eab… does not exist
Dropping to a shell!

Busy box v1.13.3 (Ubuntu 1.1. 13.3-1ubuntu 11) built-in shell (ash)
Enter help for a list of builit in commands


This is on a Dell mini netbook so now live cds can be put in but I dont know about the usb flash drive or booting or whatever. This netbook was always ubuntu and didn't come from windows or apple so this is what it's showing as it updated. There really arent any important files so any help cause i really wanna use this netbook