sound suddenly stopped working - Ubuntu 14.04
Sound was working fine a day ago, and after starting computer today, no sound is heard through speakers or headphones.
Computer is up to date. Nothing was installed/
Following the SoundTroubleshoot procedure here is the output.
upload=
!!#####
!!ALSA Information Script v 0.4.64
!!#####
!!Script ran on: Sun Apr 24 15:37:03 UTC 2016
!!Linux Distribution
!!-----
Ubuntu 14.04.4 LTS \n \l DISTRIB_ID=Ubuntu DISTRIB_
!!DMI Information
!!---------------
Manufacturer: Dell Inc.
Product Name: XPS 13 9350
Product Version:
Firmware Version: 1.2.3
!!Kernel Information
!!-----
Kernel release: 3.19.0-58-generic
Operating System: GNU/Linux
Architecture: x86_64
Processor: x86_64
SMP Enabled: Yes
!!ALSA Version
!!------------
Driver version: k3.19.0-58-generic
Library version: 1.0.27.2
Utilities version: 1.0.27.2
!!Loaded ALSA modules
!!-----
!!Sound Servers on this system
!!-----
Pulseaudio:
Installed - Yes (/usr/bin/
Running - Yes
!!Soundcards recognised by ALSA
!!-----
--- no soundcards ---
!!PCI Soundcards installed in the system
!!-----
00:1f.3 Audio device: Intel Corporation Device 9d70 (rev 21)
!!Advanced information - PCI Vendor/
!!-----
00:1f.3 0403: 8086:9d70 (rev 21) (prog-if 80)
Subsystem: 1028:0704
!!Modprobe options (Sound related)
!!-----
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
snd_hda_intel: jackpoll_ms=500
!!Loaded sound module options
!!-----
!!ALSA Device nodes
!!-----------------
crw-rw----+ 1 root audio 116, 1 Apr 24 17:34 /dev/snd/seq
crw-rw----+ 1 root audio 116, 33 Apr 24 17:34 /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
dell_wmi
sparse_keymap
ctr
ccm
nvram
snd_seq_midi
snd_seq_midi_event
snd_rawmidi
snd_seq
snd_seq_device
snd_timer
snd
soundcore
msr
arc4
x86_pkg_
coretemp
dell_laptop
dcdbas
kvm_intel
kvm
crct10dif_pclmul
crc32_pclmul
aesni_intel
aes_x86_64
lrw
gf128mul
glue_helper
ablk_helper
cryptd
iwlmvm
uvcvideo
dm_multipath
videobuf2_vmalloc
videobuf2_memops
videobuf2_core
joydev
mac80211
v4l2_common
videodev
serio_raw
scsi_dh
media
iwlwifi
i915_bpo
cfg80211
shpchp
intel_ips
drm_kms_helper
drm
i2c_algo_bit
i2c_hid
hid
int3403_thermal
int3400_thermal
acpi_thermal_rel
acpi_pad
intel_hid
mac_hid
cmac
rfcomm
bnep
parport_pc
ppdev
lp
parport
nls_iso8859_1
btrfs
xor
raid6_pq
dm_mirror
dm_region_hash
dm_log
btusb
btintel
bluetooth
compat
psmouse
ahci
nvme
libahci
wmi
video
!!ALSA/HDA dmesg
!!--------------
Question information
- Language:
- English Edit question
- Status:
- Expired
- Assignee:
- No assignee Edit question
- Last query:
- Last reply: