!!################################ !!ALSA Information Script v 0.4.64 !!################################ !!Script ran on: Wed May 13 06:01:49 UTC 2015 !!Linux Distribution !!------------------ Ubuntu 14.04.2 LTS \n \l DISTRIB_ID=Ubuntu DISTRIB_DESCRIPTION="Ubuntu 14.04.2 LTS" NAME="Ubuntu" ID=ubuntu ID_LIKE=debian PRETTY_NAME="Ubuntu 14.04.2 LTS" HOME_URL="http://www.ubuntu.com/" SUPPORT_URL="http://help.ubuntu.com/" BUG_REPORT_URL="http://bugs.launchpad.net/ubuntu/" !!DMI Information !!--------------- Manufacturer: Dell Inc. Product Name: Inspiron 3421 Product Version: Not Specified Firmware Version: A07 !!Kernel Information !!------------------ Kernel release: 3.13.0-53-generic Operating System: GNU/Linux Architecture: x86_64 Processor: x86_64 SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k3.13.0-53-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/pulseaudio) Running - Yes !!Soundcards recognised by ALSA !!----------------------------- --- no soundcards --- !!PCI Soundcards installed in the system !!-------------------------------------- 00:1b.0 Audio device: Intel Corporation 7 Series/C210 Series Chipset Family High Definition Audio Controller (rev 04) !!Advanced information - PCI Vendor/Device/Subsystem ID's !!------------------------------------------------------- 00:1b.0 0403: 8086:1e20 (rev 04) Subsystem: 1028:0591 !!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 !!Loaded sound module options !!--------------------------- !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 1 May 13 13:52 /dev/snd/seq crw-rw---- 1 root audio 116, 33 May 13 13:52 /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 ctr ccm pci_stub vboxpci vboxnetadp vboxnetflt vboxdrv bnep rfcomm dell_wmi sparse_keymap intel_rapl dell_laptop x86_pkg_temp_thermal intel_powerclamp coretemp dcdbas uvcvideo kvm_intel kvm videobuf2_vmalloc videobuf2_memops videobuf2_core videodev rts5139 crct10dif_pclmul crc32_pclmul ghash_clmulni_intel arc4 ath3k ath9k btusb ath9k_common ath9k_hw bluetooth ath snd_hda_codec mac80211 snd_hda_core snd_hwdep snd_pcm snd_page_alloc cryptd snd_seq_midi snd_seq_midi_event snd_rawmidi cfg80211 joydev snd_seq serio_raw snd_seq_device mei_me snd_timer snd mei soundcore lpc_ich mac_hid shpchp parport_pc ppdev sm_ftl mtd_blkdevs nand_ecc mtd binfmt_misc lp parport btrfs xor raid6_pq libcrc32c psmouse ahci libahci wmi i915 video i2c_algo_bit r8169 drm_kms_helper mii drm !!ALSA/HDA dmesg !!-------------- [ 13.678605] cfg80211: Calling CRDA to update world regulatory domain [ 14.039517] snd_hda_core: module verification failed: signature and/or required key missing - tainting kernel [ 14.201044] snd_hda_intel: Unknown symbol hda_set_codec_wakeup (err 0) [ 14.201507] snd_hda_intel: Unknown symbol hda_set_codec_wakeup (err 0) [ 14.266132] Bluetooth: Core ver 2.17