No audio with internal speakers

I can see the vumeter moving in zorin sound settings when I perform a sound test but I can't heard nothing. If I plug a headset in jack I can hear the sound test.
I installed the pulse audio following other post solutions here, if some one can help me.
I don't remember in which zorin version did it stop working.
Thank you!

toni@hp-compaq-6730s:~$ sudo lshw -C sound
[sudo] contraseña para toni:        
  *-usb                     
       descripción: Vídeo
       producto: CKF7063
       fabricante: Chicony Electronics Co., Ltd.
       id físico: 5
       información del bus: usb@1:5
       versión: 33.19
       serie: SN0001
       capacidades: usb-2.00
       configuración: driver=uvcvideo maxpower=98mA speed=480Mbit/s
  *-multimedia
       descripción: Audio device
       producto: 82801I (ICH9 Family) HD Audio Controller
       fabricante: Intel Corporation
       id físico: 1b
       información del bus: pci@0000:00:1b.0
       versión: 03
       anchura: 64 bits
       reloj: 33MHz
       capacidades: pm msi pciexpress bus_master cap_list
       configuración: driver=snd_hda_intel latency=0
       recursos: irq:32 memoria:d8900000-d8903fff
toni@hp-compaq-6730s:~$ lspci -nnk | grep -A2 Audio
00:1b.0 Audio device [0403]: Intel Corporation 82801I (ICH9 Family) HD Audio Controller [8086:293e] (rev 03)
	Subsystem: Hewlett-Packard Company 82801I (ICH9 Family) HD Audio Controller [103c:3614]
	Kernel driver in use: snd_hda_intel
	Kernel modules: snd_hda_intel
toni@hp-compaq-6730s:~$ sudo dmesg|grep audio
[   10.536295] snd_hda_codec_analog hdaudioC0D0: autoconfig for AD1984A: line_outs=1 (0x16/0x0/0x0/0x0/0x0) type:speaker
[   10.536307] snd_hda_codec_analog hdaudioC0D0:    speaker_outs=0 (0x0/0x0/0x0/0x0/0x0)
[   10.536312] snd_hda_codec_analog hdaudioC0D0:    hp_outs=1 (0x11/0x0/0x0/0x0/0x0)
[   10.536316] snd_hda_codec_analog hdaudioC0D0:    mono: mono_out=0x0
[   10.536319] snd_hda_codec_analog hdaudioC0D0:    inputs:
[   10.536322] snd_hda_codec_analog hdaudioC0D0:      Internal Mic=0x15
[   10.536326] snd_hda_codec_analog hdaudioC0D0:      Front Mic=0x14
[   10.536329] snd_hda_codec_analog hdaudioC0D0:      Line=0x1c

My other info to avoid "analog" error in forum:
https://pastebin.com/u9uxybVg

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