NO sound card detected.

I tried to install realtek drivers which failed and since then there is no sound on my pc. I have tried uninstalling alsa, pulseaudio but nothing has worked.

My output from: bash alsa-info.sh --stdout

!!################################
!!ALSA Information Script v 0.4.64
!!################################

!!Script ran on: Wed Mar 22 10:24:51 UTC 2017

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

Ubuntu 16.04.2 LTS \n \l DISTRIB_ID=Ubuntu DISTRIB_DESCRIPTION="Ubuntu 16.04.2 LTS" NAME="Ubuntu" ID=ubuntu ID_LIKE=debian PRETTY_NAME="Ubuntu 16.04.2 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: Vostro 3446
Product Version: Not Specified
Firmware Version: A07
Board Vendor: Dell Inc.
Board Name: 0JKRPT

!!ACPI Device Status Information
!!---------------

/sys/bus/acpi/devices/ACPI0003:00/status 15
/sys/bus/acpi/devices/DLL0662:00/status 15
/sys/bus/acpi/devices/INT33C2:00/status 15
/sys/bus/acpi/devices/INT33C3:00/status 15
/sys/bus/acpi/devices/INT33C7:00/status 15
/sys/bus/acpi/devices/INT3F0D:00/status 15
/sys/bus/acpi/devices/INTL9C60:00/status 15
/sys/bus/acpi/devices/LNXVIDEO:00/status 15
/sys/bus/acpi/devices/PNP0103:00/status 15
/sys/bus/acpi/devices/PNP0C01:00/status 15
/sys/bus/acpi/devices/PNP0C02:02/status 15
/sys/bus/acpi/devices/PNP0C0A:00/status 31
/sys/bus/acpi/devices/PNP0C0C:00/status 11
/sys/bus/acpi/devices/PNP0C0F:00/status 9
/sys/bus/acpi/devices/PNP0C0F:01/status 9
/sys/bus/acpi/devices/PNP0C0F:02/status 9
/sys/bus/acpi/devices/PNP0C0F:03/status 9
/sys/bus/acpi/devices/PNP0C0F:04/status 9
/sys/bus/acpi/devices/PNP0C0F:05/status 9
/sys/bus/acpi/devices/PNP0C0F:06/status 9
/sys/bus/acpi/devices/PNP0C0F:07/status 9
/sys/bus/acpi/devices/SYN0609:00/status 15
/sys/bus/acpi/devices/device:00/status 15
/sys/bus/acpi/devices/device:04/status 15
/sys/bus/acpi/devices/device:06/status 15
/sys/bus/acpi/devices/device:32/status 15
/sys/bus/acpi/devices/device:33/status 15
/sys/bus/acpi/devices/device:34/status 15
/sys/bus/acpi/devices/device:35/status 15
/sys/bus/acpi/devices/device:36/status 15
/sys/bus/acpi/devices/device:38/status 15
/sys/bus/acpi/devices/device:39/status 15
/sys/bus/acpi/devices/device:3a/status 15
/sys/bus/acpi/devices/device:3b/status 15
/sys/bus/acpi/devices/device:42/status 15
/sys/bus/acpi/devices/device:43/status 15
/sys/bus/acpi/devices/device:44/status 15
/sys/bus/acpi/devices/device:45/status 15
/sys/bus/acpi/devices/device:49/status 15
/sys/bus/acpi/devices/device:5c/status 15

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

Kernel release: 4.8.0-41-generic
Operating System: GNU/Linux
Architecture: x86_64
Processor: x86_64
SMP Enabled: Yes

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

Driver version:
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
!!-----------------------------

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

00:03.0 Audio device: Intel Corporation Haswell-ULT HD Audio Controller (rev 0b)
00:1b.0 Audio device: Intel Corporation 8 Series HD Audio Controller (rev 04)

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

00:03.0 0403: 8086:0a0c (rev 0b)
 Subsystem: 1028:0662
--
00:1b.0 0403: 8086:9c20 (rev 04)
 Subsystem: 1028:0662

!!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 Mar 22 15:51 /dev/snd/seq
crw-rw---- 1 root audio 116, 33 Mar 22 15:51 /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
bnep
nls_iso8859_1
hid_rmi
dell_wmi
sparse_keymap
dell_laptop
dell_smbios
dcdbas
dell_smm_hwmon
rtsx_usb_ms
memstick
intel_rapl
x86_pkg_temp_thermal
intel_powerclamp
coretemp
kvm_intel
kvm
irqbypass
crct10dif_pclmul
crc32_pclmul
ghash_clmulni_intel
aesni_intel
arc4
aes_x86_64
lrw
ath9k
ath9k_common
glue_helper
ath9k_hw
ablk_helper
cryptd
uvcvideo
ath
videobuf2_vmalloc
videobuf2_memops
videobuf2_v4l2
videobuf2_core
videodev
media
ath3k
btusb
btrtl
btbcm
mac80211
btintel
bluetooth
intel_cstate
intel_rapl_perf
cfg80211
joydev
input_leds
serio_raw
lpc_ich
elan_i2c
8250_dw
mei_me
i2c_designware_platform
mei
dw_dmac
dw_dmac_core
shpchp
dell_rbtn
i2c_designware_core
spi_pxa2xx_platform
mac_hid
parport_pc
ppdev
lp
parport
autofs4
rtsx_usb_sdmmc
rtsx_usb
nouveau
i915
mxm_wmi
ttm
i2c_algo_bit
drm_kms_helper
syscopyarea
sysfillrect
sysimgblt
fb_sys_fops
psmouse
drm
ahci
libahci
r8169
mii
wmi
video
i2c_hid
hid
sdhci_acpi
sdhci
fjes

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