This seems to be a common problem for FC3 users but none of the fixes posted on the web worked for me. I have recently upgraded my OS from FC1 to FC3 and I do not have any sound. In FC1 there was no such problem. Even now sound works in Knoppix. Soundcard information: Vendor: ALi Model: Corporation M5451 PCI AC-Link Controller Audio Device Module: snd_ali5451 #grep snd /etc/modprobe.conf alias snd-card-0 snd-ali5451 options snd-card-0 index=0 #/sbin/lspci 00:00.0 Host bridge: ALi Corporation M1672 Northbridge [CyberALADDiN-P4] 00:01.0 PCI bridge: ALi Corporation PCI to AGP Controller 00:04.0 IDE interface: ALi Corporation M5229 IDE (rev c4) 00:06.0 Multimedia audio controller: ALi Corporation M5451 PCI AC-Link Controller Audio Device (rev 02) 00:07.0 ISA bridge: ALi Corporation M1533 PCI to ISA Bridge [Aladdin IV] 00:08.0 Bridge: ALi Corporation M7101 Power Management Controller [PMU] 00:09.0 Modem: ALi Corporation M5457 AC'97 Modem Controller 00:0a.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8139/8139C/8139C+ (rev 10) 00:0c.0 USB Controller: NEC Corporation USB (rev 43) 00:0c.1 USB Controller: NEC Corporation USB (rev 43) 00:0c.2 USB Controller: NEC Corporation USB 2.0 (rev 04) 00:10.0 Ethernet controller: Atheros Communications, Inc. AR5212 802.11abg NIC (rev 01) 00:11.0 CardBus bridge: Toshiba America Info Systems ToPIC95 PCI to Cardbus Bridge with ZV Support (rev 33) 00:12.0 System peripheral: Toshiba America Info Systems SD TypA Controller (rev 05) 01:00.0 VGA compatible controller: Trident Microsystems CyberBlade XPAi1 (rev 82) #/sbin/lsmod Module Size Used by parport_pc 26501 0 lp 12077 0 parport 36617 2 parport_pc,lp md5 4033 1 ipv6 230273 8 autofs4 22981 0 sunrpc 154149 1 pcmcia 20805 2 ipt_REJECT 6593 6 iptable_filter 3521 1 ip_tables 16321 2 ipt_REJECT,iptable_filter microcode 6497 0 dm_mod 55509 0 video 15813 0 toshiba_acpi 5717 0 button 6609 0 battery 9285 0 ac 4805 0 yenta_socket 19137 0 pcmcia_core 50817 2 pcmcia,yenta_socket ohci_hcd 23381 0 ehci_hcd 34761 0 i2c_ali15x3 7109 0 i2c_core 20801 1 i2c_ali15x3 snd_ali5451 25605 1 snd_ac97_codec 67105 1 snd_ali5451 snd_pcm_oss 47861 0 snd_mixer_oss 17089 1 snd_pcm_oss snd_pcm 92233 3 snd_ali5451,snd_ac97_codec,snd_pcm_oss snd_timer 28357 1 snd_pcm snd 52261 8 snd_ali5451,snd_ac97_codec,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_timer soundcore 9889 1 snd snd_page_alloc 9541 1 snd_pcm 8139too 26177 0 mii 4673 1 8139too ext3 116041 2 jbd 68185 1 ext3 Please help! Arko
