Obrigado pela ajuda, mas não deu certo, o controle de volume do pulse audio não abre, dá erro, desinstalei e reinstalei mas continua o mesmo erro:
"Connection to PulseAudio failed. Automatic retry in 5s
In this case this is likely because PULSE_SERVER in the Enviroment/X11 Root Window Properties or default-server in client.conf is misconfigured.
This situation can also arrise when PulseAudio crashed and left stale details in the X11 Root Windows if this is the case, then pulseAudio should autospawn again, or if this not configured you should run start-pulseaudio-x11 manually."