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How to solve no soundcards found after installing Linux Mint 12

Well a few days back I installed Linux Mint 12 on my Laptop using VMware Player, all went great. That inspired me to remove my Windows XP from my desktop computer and have it run on Linux Mint as well. I downloaded the DVD 32-bit iso image and then made a bootable USB using the Universal USB Installer utility. The install went smooth but then I realized that sound is not working. Well from that point onward I have spent hours trying to get this fixed. Hope this solution works and save you some time!

The Diagonistics

Open a terminal (Applications -> Accessories -> Terminal) and type
$ sudo aplay -l 
Response to the above command
aplay: device_list:240: no soundcards found...

To check that sound card is physically installed and recognized by the hardware, type
$ lspci -v | grep -A7 -i "audio" 
Response to the above command
20:01.0 Audio device: VIA Technologies, Inc. VT8237A/VT8251 HDA Controller (rev 10)
    Subsystem: ASUSTeK Computer Inc. Device 8290
    Flags: fast devsel, IRQ 17
    Memory at <ignored> (64-bit, non-prefetchable)
    Capabilities: <access denied>
    Kernel modules: snd-hda-intel

Next go to  (Applications -> System Tools -> System Settings --> Sound)
Found nothing under the Hardware section
no soundcards found linux mint 12

The Solution

Open a terminal (Applications -> Accessories -> Terminal) and type
$ sudo gedit /etc/default/grub

and then change the line from
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"
to
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash pci=use_crs"

no soundcards found linux mint 12
Save the file.

After saving the file run update-grub
$ sudo update-grub

Restart the Machine ! 

The Result

 

I heard the SOUND!

Open a terminal (Applications -> Accessories -> Terminal) and type
$ sudo aplay -l 
Response to the above command
**** List of PLAYBACK Hardware Devices ****
card 0: VT82xx [HDA VIA VT82xx], device 0: ALC662 rev1 Analog [ALC662 rev1 Analog]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: VT82xx [HDA VIA VT82xx], device 1: ALC662 rev1 Digital [ALC662 rev1 Digital]
  Subdevices: 1/1
  Subdevice #0: subdevice #0

Next go to  (Applications -> System Tools -> System Settings --> Sound)
no soundcards found linux mint 12