logre subir el volumen!!!

utilice el comando ossmix y creo que puse los valores maximos, el speaker paso de 52.4 db a 64.4 y se escucha bastante mejor
esto es lo que hize:
mateo@mateo:~$ ossmix
Selected mixer 0/High Definition Audio CX20548
Known controls are:
jack.int-speaker.mode <pcm1|mix> (currently pcm1)
jack.int-speaker.int-speaker [<leftvol>:<rightvol>] (currently 52.4:52.4 dB)jack.fp-black.mode <pcm1|mix|input> (currently pcm1)
jack.fp-black.fp-headphone [<leftvol>:<rightvol>] (currently 52.4:52.4 dB)
jack.black.mode <pcm2|input> (currently pcm2)
record.rec1 [<leftvol>:<rightvol>] (currently 28.4:28.4 dB)
record.rec1.rec1 <mix|fp-mic> (currently mix)
misc.beep <monovol> (currently 17.9 dB)
misc.pcm1 [<leftvol>:<rightvol>] (currently 52.4:52.4 dB)
misc.fp-mic [<leftvol>:<rightvol>] (currently 52.4:52.4 dB)
misc.fp-headphone [<leftvol>:<rightvol>] (currently 52.4:52.4 dB)
misc.mix <pcm1|fp-mic> (currently pcm1)
vmix0-enable ON|OFF (currently ON)
vmix0-rate <decimal value> (currently 48000) (Read-only)
vmix0-channels <Stereo|Multich> (currently Stereo)
vmix0-src <Fast|High|OFF> (currently Fast)
vmix0-outvol <monovol> (currently 25.0 dB)
vmix0-invol <monovol> (currently 25.0 dB)
vmix0.pcm5 [<leftvol>:<rightvol>] (currently 25.0:25.0 dB) ("firefox")
vmix0.pcm6 [<leftvol>:<rightvol>] (currently 25.0:25.0 dB)
vmix0.pcm7 [<leftvol>:<rightvol>] (currently 25.0:25.0 dB)
vmix0.pcm8 [<leftvol>:<rightvol>] (currently 25.0:25.0 dB)
mateo@mateo:~$ sudo -i
[sudo] password for mateo:
root@mateo:~# ossmix jack.int-speaker.int-speaker 6553.5:6553.5
SNDCTL_MIX_WRITE: Operation not permitted
root@mateo:~# ossmix #jack.int-speaker.int-speaker 6553.5:6553.5
Selected mixer 0/High Definition Audio CX20548
Known controls are:
jack.int-speaker.mode <pcm1|mix> (currently pcm1)
jack.int-speaker.int-speaker [<leftvol>:<rightvol>] (currently 64.4:64.4 dB)jack.fp-black.mode <pcm1|mix|input> (currently pcm1)
jack.fp-black.fp-headphone [<leftvol>:<rightvol>] (currently 52.4:52.4 dB)
jack.black.mode <pcm2|input> (currently pcm2)
record.rec1 [<leftvol>:<rightvol>] (currently 28.4:28.4 dB)
record.rec1.rec1 <mix|fp-mic> (currently mix)
misc.beep <monovol> (currently 17.9 dB)
misc.pcm1 [<leftvol>:<rightvol>] (currently 52.4:52.4 dB)
misc.fp-mic [<leftvol>:<rightvol>] (currently 52.4:52.4 dB)
misc.fp-headphone [<leftvol>:<rightvol>] (currently 52.4:52.4 dB)
misc.mix <pcm1|fp-mic> (currently pcm1)
vmix0-enable ON|OFF (currently ON)
vmix0-rate <decimal value> (currently 48000) (Read-only)
vmix0-channels <Stereo|Multich> (currently Stereo)
vmix0-src <Fast|High|OFF> (currently Fast)
vmix0-outvol <monovol> (currently 25.0 dB)
vmix0-invol <monovol> (currently 25.0 dB)
vmix0.pcm5 [<leftvol>:<rightvol>] (currently 25.0:25.0 dB) ("firefox")
vmix0.pcm6 [<leftvol>:<rightvol>] (currently 25.0:25.0 dB)
vmix0.pcm7 [<leftvol>:<rightvol>] (currently 25.0:25.0 dB)
vmix0.pcm8 [<leftvol>:<rightvol>] (currently 25.0:25.0 dB)
y esta es la razon por la cual me anda el sonido :
"Headphone detection truly does not work. But it’s possible to manually mute the main laptop speaker using ossxmix. Making a simple script to mute/unmute is also quite simple."
un problema para algunos pero a mi me devolvio los parlantes

me alegro que no le hice caso a hp y no me compre un mother nuevo
Saludos