非常着急,Ubuntu启动不了了

[bhleon]

启动时总是提示:
Starting Common Unix Printing System:cupsd
cupsd:Child exited on signal 15! [fail]
Your system does not have the CPU extensions required to use KVM. Not doing anything
Starting powernowd... [OK]
Starting Samba Deamons

到这里就卡住了,请教高手,谢谢!!!!!!!!!!!!!