Sound problem

[thomasg62]

My sound works intermittently. Sometimes its fine but other times my once booted up my indicator suggests it is on mute, then if I change that it briefly changes then a clicking sound indicates a change back to the 'mute' position.

Can some one advise?

My system is a HP tc4400 tablet. I ran 'lspci | grep udio' and got:

00:1b.0 Audio device: Intel Corporation N10/ICH 7 Family High Definition Audio Controller (rev 01)

cheers

[thomasg62]

...sorry, in case more detail is needed

00:00.0 Host bridge: Intel Corporation Mobile 945GM/PM/GMS, 943/940GML and 945GT Express Memory Controller Hub (rev 03)
00:02.0 VGA compatible controller: Intel Corporation Mobile 945GM/GMS, 943/940GML Express Integrated Graphics Controller (rev 03)
00:02.1 Display controller: Intel Corporation Mobile 945GM/GMS/GME, 943/940GML Express Integrated Graphics Controller (rev 03)
00:1b.0 Audio device: Intel Corporation N10/ICH 7 Family High Definition Audio Controller (rev 01)
00:1c.0 PCI bridge: Intel Corporation N10/ICH 7 Family PCI Express Port 1 (rev 01)
00:1c.1 PCI bridge: Intel Corporation N10/ICH 7 Family PCI Express Port 2 (rev 01)
00:1c.3 PCI bridge: Intel Corporation N10/ICH 7 Family PCI Express Port 4 (rev 01)
00:1d.0 USB controller: Intel Corporation N10/ICH 7 Family USB UHCI Controller #1 (rev 01)
00:1d.1 USB controller: Intel Corporation N10/ICH 7 Family USB UHCI Controller #2 (rev 01)
00:1d.2 USB controller: Intel Corporation N10/ICH 7 Family USB UHCI Controller #3 (rev 01)
00:1d.3 USB controller: Intel Corporation N10/ICH 7 Family USB UHCI Controller #4 (rev 01)
00:1d.7 USB controller: Intel Corporation N10/ICH 7 Family USB2 EHCI Controller (rev 01)
00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev e1)
00:1f.0 ISA bridge: Intel Corporation 82801GBM (ICH7-M) LPC Interface Bridge (rev 01)
00:1f.2 IDE interface: Intel Corporation 82801GBM/GHM (ICH7-M Family) SATA Controller [IDE mode] (rev 01)
02:06.0 CardBus bridge: Texas Instruments PCIxx12 Cardbus Controller
02:06.2 Mass storage controller: Texas Instruments 5-in-1 Multimedia Card Reader (SD/MMC/MS/MS PRO/xD)
02:06.3 SD Host controller: Texas Instruments PCIxx12 SDA Standard Compliant SD Host Controller
02:06.4 Communication controller: Texas Instruments PCIxx12 GemCore based SmartCard controller
08:00.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5753M Gigabit Ethernet PCI Express (rev 21)
10:00.0 Network controller: Intel Corporation PRO/Wireless 3945ABG [Golan] Network Connection (rev 02)

[Frank616]

Thomas:

Sorry you did not get an answer. Is this still an issue for you? I don't know a lot about sound, but I know that one of my machines starts muted. However, it stays on when I unmute Kmixer.

Frank.

[Cresho]

lower right hand icon, unmute speaker and adjust mixer settings also, There is a bug in kubuntu which reverts audio back to defaults so, volume applet, left click and select mixer and under settings, configure kmix, uncheck "restore volumes on login"

on my system, the treble and base revert back to default state if I don't do this, hope it works for you.

[thomasg62]

Thanks guys - I've tried this and it worked! Excellent