Hi Jonathan > Could you also sent the output of lspci 00:00.0 Host bridge: ATI Technologies Inc Unknown device 5a31 (rev 01) 00:01.0 PCI bridge: ATI Technologies Inc RS480 PCI Bridge 00:04.0 PCI bridge: ATI Technologies Inc RS480 PCI Bridge 00:05.0 PCI bridge: ATI Technologies Inc Unknown device 5a37 00:12.0 IDE interface: ATI Technologies Inc ATI 4379 Serial ATA Controller (rev 80) 00:13.0 USB Controller: ATI Technologies Inc IXP SB400 USB Host Controller (rev 80) 00:13.1 USB Controller: ATI Technologies Inc IXP SB400 USB Host Controller (rev 80) 00:13.2 USB Controller: ATI Technologies Inc IXP SB400 USB2 Host Controller (rev 80) 00:14.0 SMBus: ATI Technologies Inc IXP SB400 SMBus Controller (rev 83) 00:14.1 IDE interface: ATI Technologies Inc Standard Dual Channel PCI IDE Controller ATI (rev 80) 00:14.2 Audio device: ATI Technologies Inc SB450 HDA Audio (rev 01) 00:14.3 ISA bridge: ATI Technologies Inc IXP SB400 PCI-ISA Bridge (rev 80) 00:14.4 PCI bridge: ATI Technologies Inc IXP SB400 PCI-PCI Bridge (rev 80) 01:05.0 VGA compatible controller: ATI Technologies Inc RC410 [Radeon Xpress 200M] 02:00.0 Network controller: Broadcom Corporation BCM4310 UART (rev 01) 08:07.0 FireWire (IEEE 1394): Ricoh Co Ltd Unknown device 0832 08:07.1 Class 0805: Ricoh Co Ltd R5C822 SD/SDIO/MMC/MS/MSPro Host Adapter (rev 19) 08:07.2 System peripheral: Ricoh Co Ltd Unknown device 0843 (rev 01) 08:07.3 System peripheral: Ricoh Co Ltd R5C592 Memory Stick Bus Host Adapter (rev 0a) 08:08.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8139/8139C/8139C+ (rev 10) > It would seem that both the headphone jack and the internal speaker are > being driven by an amplifier outside the ALC260 which is switched on using > mechanisms independent of the ALC260 chip itself. This would be the second > laptop we've encountered with a similar issue - even though everything's > up these two outputs refuse to produce any sound. :-( I suppose it's unlikely that writing to Realtek and/or HP would be fruitful. > Final thought for the day: could you use alsamixer to change all the > pin modes to "Line-in" and then back to "Line-out" or "headphones". Then > try the tests again and see if you get audio from any additional jacks or > the internal speaker. No change unfortunately. Audio comes only from the mic jack both with everything set to Line-out or to Headphone. (The only difference is some additional static when MIC1 pin mode is set to headphone.) Cheers David ------------------------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-devel