[ubuntu-uk] Lenovo N500: further gremlins

[Rowan Berkeley]

Hi, people. Two more gremlins today: sound card vanished, i.e. not just
no sound, but 'internal audio' not found in audio hardware; and 'shut
down' vanished from main user menu. Did a hard shut down using the power
button, restarted, everything back to normal. This is undoubtedly
hardware, isn't it - and the machine just one month out of guarantee...