I have just installed Linux mint 7 Gloria on a gateway 3550gz laptop but there is no sound at all with the volume at 100%. I have tried selecting alsa, oss and pulse but no change. Flash or cds or dvds have no sound either.
results of lspci:

00:00.0 Host bridge: Intel Corporation 82852/82855 GM/GME/PM/GMV Processor to I/O Controller (rev 02)
00:00.1 System peripheral: Intel Corporation 82852/82855 GM/GME/PM/GMV Processor to I/O Controller (rev 02)
00:00.3 System peripheral: Intel Corporation 82852/82855 GM/GME/PM/GMV Processor to I/O Controller (rev 02)
00:02.0 VGA compatible controller: Intel Corporation 82852/855GM Integrated Graphics Device (rev 02)
00:02.1 Display controller: Intel Corporation 82852/855GM Integrated Graphics Device (rev 02)
00:1d.0 USB Controller: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) USB UHCI Controller #1 (rev 03)
00:1d.1 USB Controller: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) USB UHCI Controller #2 (rev 03)
00:1d.2 USB Controller: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) USB UHCI Controller #3 (rev 03)
00:1d.7 USB Controller: Intel Corporation 82801DB/DBM (ICH4/ICH4-M) USB2 EHCI Controller (rev 03)
00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev 83)
00:1f.0 ISA bridge: Intel Corporation 82801DBM (ICH4-M) LPC Interface Bridge (rev 03)
00:1f.1 IDE interface: Intel Corporation 82801DBM (ICH4-M) IDE Controller (rev 03)
00:1f.3 SMBus: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) SMBus Controller (rev 03)
00:1f.5 Multimedia audio controller: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) AC'97 Audio Controller (rev 03)
00:1f.6 Modem: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) AC'97 Modem Controller (rev 03)
02:07.0 CardBus bridge: Texas Instruments PCIxx21/x515 Cardbus Controller
02:07.2 FireWire (IEEE 1394): Texas Instruments OHCI Compliant IEEE 1394 Host Controller
02:07.3 Mass storage controller: Texas Instruments PCIxx21 Integrated FlashMedia Controller
02:08.0 Ethernet controller: Broadcom Corporation BCM4401 100Base-T (rev 01)
02:09.0 Network controller: Intel Corporation PRO/Wireless 2200BG [Calexico2] Network Connection (rev 05)

Any ideas on a solution? TIA!

This is the sound controller. Open a console and run the command 'lsmod | grep snd' ( without the quotes ) and post the results.

On an integrated Intel AC97 controller I had a similar problem which was resolved by activating a mysterious VIA DXS volume control in Volume Control -> Preferences (with VIA 8235 (Alsa mixer) as device) and setting it to something other than 0%.

When I installed Mint 7 on my newer Acer laptop with
Audio device: Intel Corporation 82801H (ICH8 Family) HD Audio Controller (rev 04)
I had no sound.

Upgrading Alsa fixed it for me.

http://ubuntuforums.org/showthread.p...10#post6589810

The Alsa Upgrade Script is located at the bottom of the first post

* download the script
* cd <your-download-dir>
* tar xvf AlsaUpgrade-version.tar
* sudo ./AlsaUpgrade-version.sh

where "version" is the latest version that you download