Dell Inspiron 5767 sound very low

bash alsa-info.sh --stdout
/usr/sbin/alsactl: save_state:1595: No soundcards found...
cat: /tmp/alsa-info.1FfRW3GWFY/alsactl.tmp: No such file or directory
upload=true&script=true&cardinfo=
!!################################
!!ALSA Information Script v 0.4.64
!!################################

!!Script ran on: Tue Dec 6 09:52:26 UTC 2016

!!Linux Distribution
!!------------------

Ubuntu 16.04.1 LTS \n \l DISTRIB_ID=Ubuntu DISTRIB_DESCRIPTION="Ubuntu 16.04.1 LTS" NAME="Ubuntu" ID=ubuntu ID_LIKE=debian PRETTY_NAME="Ubuntu 16.04.1 LTS" HOME_URL="http://www.ubuntu.com/" SUPPORT_URL="http://help.ubuntu.com/" BUG_REPORT_URL="http://bugs.launchpad.net/ubuntu/" UBUNTU_CODENAME=xenial

!!DMI Information
!!---------------

Manufacturer: Dell Inc.
Product Name: Inspiron 5767
Product Version:
Firmware Version: 1.0.2

!!Kernel Information
!!------------------

Kernel release: 4.4.0-53-generic
Operating System: GNU/Linux
Architecture: x86_64
Processor: x86_64
SMP Enabled: Yes

!!ALSA Version
!!------------

Driver version: k4.4.0-53-generic
Library version: 1.1.0
Utilities version: 1.1.0

!!Loaded ALSA modules
!!-------------------

!!Sound Servers on this system
!!----------------------------

Pulseaudio:
      Installed - Yes (/usr/bin/pulseaudio)
      Running - Yes

!!Soundcards recognised by ALSA
!!-----------------------------

--- no soundcards ---

!!PCI Soundcards installed in the system
!!--------------------------------------

00:1f.3 Audio device: Intel Corporation Device 9d71 (rev 21)

!!Advanced information - PCI Vendor/Device/Subsystem ID's
!!-------------------------------------------------------

00:1f.3 0403: 8086:9d71 (rev 21)
 Subsystem: 1028:0768

!!Modprobe options (Sound related)
!!--------------------------------

snd_pcsp: index=-2
snd_usb_audio: index=-2
snd_atiixp_modem: index=-2
snd_intel8x0m: index=-2
snd_via82xx_modem: index=-2
snd_atiixp_modem: index=-2
snd_intel8x0m: index=-2
snd_via82xx_modem: index=-2
snd_usb_audio: index=-2
snd_usb_caiaq: index=-2
snd_usb_ua101: index=-2
snd_usb_us122l: index=-2
snd_usb_usx2y: index=-2
snd_cmipci: mpu_port=0x330 fm_port=0x388
snd_pcsp: index=-2
snd_usb_audio: index=-2

!!Loaded sound module options
!!---------------------------

!!ALSA Device nodes
!!-----------------

crw-rw----+ 1 root audio 116, 1 Dec 6 10:46 /dev/snd/seq
crw-rw----+ 1 root audio 116, 33 Dec 6 10:46 /dev/snd/timer

!!Aplay/Arecord output
!!--------------------

APLAY

aplay: device_list:268: no soundcards found...

ARECORD

arecord: device_list:268: no soundcards found...

!!Amixer output
!!-------------

!!Alsactl output
!!--------------

--startcollapse--
--endcollapse--

!!All Loaded Modules
!!------------------

Module
rfcomm
drbg
ansi_cprng
ctr
ccm
bnep
binfmt_misc
nls_iso8859_1
arc4
x86_pkg_temp_thermal
iwlmvm
rtsx_usb_ms
memstick
coretemp
kvm_intel
kvm
mac80211
uvcvideo
videobuf2_vmalloc
videobuf2_memops
videobuf2_v4l2
videobuf2_core
v4l2_common
irqbypass
dell_wmi
snd_hda_intel
crct10dif_pclmul
crc32_pclmul
snd_hda_codec
snd_hda_core
videodev
i2c_designware_platform
sparse_keymap
i2c_designware_core
ghash_clmulni_intel
media
snd_hwdep
iwlwifi
snd_pcm
aesni_intel
snd_seq_midi
aes_x86_64
snd_seq_midi_event
lrw
dell_laptop
gf128mul
dcdbas
snd_rawmidi
glue_helper
snd_seq
ablk_helper
dell_smm_hwmon
snd_seq_device
cryptd
snd_timer
input_leds
cfg80211
joydev
serio_raw
snd
btusb
hci_uart
btrtl
soundcore
btbcm
btqca
acpi_als
kfifo_buf
btintel
mei_me
bluetooth
acpi_pad
int3400_thermal
int3403_thermal
processor_thermal_device
int3402_thermal
mei
acpi_thermal_rel
intel_soc_dts_iosf
int340x_thermal_zone
industrialio
idma64
dell_rbtn
virt_dma
intel_lpss_acpi
mac_hid
intel_lpss_pci
shpchp
intel_lpss
tpm_crb
parport_pc
ppdev
lp
parport
autofs4
rtsx_usb_sdmmc
rtsx_usb
amdkfd
amd_iommu_v2
i915_bpo
amdgpu
ttm
intel_ips
i2c_algo_bit
drm_kms_helper
psmouse
syscopyarea
r8169
sysfillrect
sysimgblt
mii
fb_sys_fops
drm
ahci
libahci
wmi
pinctrl_sunrisepoint
video
pinctrl_intel
fjes

!!ALSA/HDA dmesg
!!--------------

[ 14.753172] iwlwifi 0000:02:00.0: loaded firmware version 17.352738.0 op_mode iwlmvm
[ 14.938570] snd_hda_intel 0000:00:1f.3: enabling device (0000 -> 0002)
[ 14.938964] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops [i915_bpo])
[ 15.192691] input: Dell WMI hotkeys as /devices/virtual/input/input9
[ 15.406778] snd_hda_intel 0000:00:1f.3: CORB reset timeout#1, CORBRP = 0
[ 15.408341] snd_hda_intel 0000:00:1f.3: no codecs found!
[ 15.517328] uvcvideo: Found UVC 1.00 device Integrated Webcam (0bda:568a)