no sound

Please let us know which CD (eg. movie, audio, mp3)?
Go to Applications -> accesories -> terminal.

Do the following and paste the output for us to further examine the problem. do you hear sound otherwise; I mean if there is no CD inserted?

$lsmod
$lshw

Have Fun.

yes are you hearing sound otherwise? paste o/p of $lsmod $lshw please...
Cheers,
Bhavani Shankar.

erik@erik-laptop:~$ lsmod
Module Size Used by
isofs 36284 0
udf 85252 0
michael_mic 3584 4
arc4 2944 4
ecb 4480 4
blkcipher 6784 1 ecb
ieee80211_crypt_tkip 12032 2
binfmt_misc 12680 1
rfcomm 40856 0
l2cap 25856 5 rfcomm
bluetooth 55908 4 rfcomm,l2cap
ppdev 10116 0
i915 25472 3
drm 81044 4 i915
acpi_cpufreq 10056 1
cpufreq_stats 7360 0
cpufreq_userspace 5408 0
cpufreq_conservative 8200 0
cpufreq_powersave 2688 0
cpufreq_ondemand 9228 1
freq_table 5792 3 acpi_cpufreq,cpufreq_stats,cpufreq_ondemand
dev_acpi 12292 0
tc1100_wmi 8068 0
sony_acpi 6284 0
pcc_acpi 13184 0
ac 6020 0
container 5248 0
asus_acpi 17308 0
button 8720 0
sbs 15652 0
battery 10756 0
video 16388 0
i2c_ec 6016 1 sbs
i2c_core 22656 1 i2c_ec
backlight 7040 1 asus_acpi
dock 10268 0
ipv6 268960 10
sbp2 23812 0
parport_pc 36388 0
lp 12452 0
parport 36936 3 ppdev,parport_pc,lp
fuse 46612 0
joydev 10816 0
ipw3945 118816 1
ieee80211 34760 1 ipw3945
ieee80211_crypt 7040 2 ieee80211_crypt_tkip,ieee80211
snd_hda_intel 21912 5
snd_hda_codec 205056 1 snd_hda_intel
pcmcia 39212 0
snd_pcm_oss 44544 0
snd_mixer_oss 17408 1 snd_pcm_oss
snd_pcm 79876 4 snd_hda_intel,snd_hda_codec,snd_pcm_oss
snd_seq_dummy 4740 0
snd_seq_oss 32896 0
snd_seq_midi 9600 0
snd_rawmidi 25472 1 snd_seq_midi
snd_seq_midi_event 8448 2 snd_seq_oss,snd_seq_midi
snd_seq 52592 6 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_seq_midi_event
snd_timer 23684 3 snd_pcm,snd_seq
snd_seq_device 9100 5 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_rawmidi,snd_seq
shpchp 34324 0
yenta_socket 27532 1
rsrc_nonstatic 14080 1 yenta_socket
pcmcia_core 40852 3 pcmcia,yenta_socket,rsrc_nonstatic
sdhci 18700 0
tifm_7xx1 8704 0
psmouse 38920 0
af_packet 23816 8
mmc_core 26756 1 sdhci
tifm_core 11140 1 tifm_7xx1
snd 54020 18 snd_hda_intel,snd_hda_codec,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_seq_oss,snd_rawmidi,snd_seq,snd_timer,snd_seq_device
soundcore 8672 1 snd
snd_page_alloc 10888 2 snd_hda_intel,snd_pcm
serio_raw 7940 0
intel_agp 26140 1
agpgart 35400 3 drm,intel_agp
pci_hotplug 32576 1 shpchp
iTCO_wdt 11812 0
iTCO_vendor_support 4868 1 iTCO_wdt
tsdev 8768 0
evdev 11008 4
ext3 133128 1
jbd 59816 1 ext3
mbcache 9604 1 ext3
sg 36252 0
sr_mod 17060 1
sd_mod 23428 3
cdrom 37664 1 sr_mod
ata_generic 9092 0
ata_piix 15492 3
libata 125720 2 ata_generic,ata_piix
scsi_mod 142348 5 sbp2,sg,sr_mod,sd_mod,libata
r8169 32392 0
ohci1394 36528 0
ieee1394 299448 2 sbp2,ohci1394
generic 5124 0 [permanent]
ehci_hcd 34188 0
uhci_hcd 25360 0
usbcore 134280 3 ehci_hcd,uhci_hcd
thermal 14856 0
processor 31048 2 acpi_cpufreq,thermal
fan 5636 0
fbcon 42656 0
tileblit 3584 1 fbcon
font 9216 1 fbcon
bitblit 6912 1 fbcon
softcursor 3200 1 bitblit
vesafb 9220 0
capability 5896 0
commoncap 8192 1 capability
erik@erik-laptop:~$ lshw
WARNING: you should run this program as super-user.
erik-laptop
    description: Computer
    width: 32 bits
  *-core
       description: Motherboard
       physical id: 0
     *-memory
          description: System memory
          physical id: 0
          size: 1002MB
     *-cpu
          product: Genuine Intel(R) CPU T2250 @ 1.73GHz
          vendor: Intel Corp.
          physical id: 1
          bus info: cpu@0
          version: 6.14.8
          serial: 0000-06E8-0000-0000-0000-0000
          size: 1733MHz
          capacity: 1733MHz
          width: 32 bits
          capabilities: fpu fpu_exception wp vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe constant_tsc pni monitor est tm2 xtpr cpufreq
          configuration: id=0
        *-logicalcpu:0
             description: Logical CPU
             physical id: 0.1
             width: 32 bits
             capabilities: logical
        *-logicalcpu:1
             description: Logical CPU
             physical id: 0.2
             width: 32 bits
             capabilities: logical
     *-pci
          description: Host bridge
          product: Mobile 945GM/PM/GMS/940GML and 945GT Express Memory Controller Hub
          vendor: Intel Corporation
          physical id: 100
          bus info: pci@00:00.0
          version: 03
          width: 32 bits
          clock: 33MHz
        *-display:0
             description: VGA compatible controller
             product: Mobile 945GM/GMS/940GML Express Integrated Graphics Controller
             vendor: Intel Corporation
             physical id: 2
             bus info: pci@00:02.0
             version: 03
             size: 256MB
             width: 32 bits
             clock: 33MHz
             capabilities: vga bus_master cap_list
             configuration: latency=0
             resources: iomemory:dc100000-dc17ffff ioport:1800-1807 iomemory:c0000000-cfffffff iomemory:dc200000-dc23ffff irq:17
        *-display:1 UNCLAIMED
             description: Display controller
             product: Mobile 945GM/GMS/940GML Express Integrated Graphics Controller
             vendor: Intel Corporation
             physical id: 2.1
             bus info: pci@00:02.1
             version: 03
             size: 512KB
             width: 32 bits
             clock: 33MHz
             capabilities: bus_master cap_list
             configuration: latency=0
             resources: iomemory:dc180000-dc1fffff
        *-multimedia
             description: Audio device
             product: 82801G (ICH7 Family) High Definition Audio Controller
             vendor: Intel Corporation
             physical id: 1b
             bus info: pci@00:1b.0
             version: 02
             width: 64 bits
             clock: 33MHz
             capabilities: bus_master cap_list
             configuration: driver=HDA Intel latency=0
             resources: iomemory:dc440000-dc443fff irq:21
        *-pci:0
             description: PCI bridge
             product: 82801G (ICH7 Family) PCI Express Port 1
             vendor: Intel Corporation
             physical id: 1c
             bus info: pci@00:1c.0
             version: 02
             width: 32 bits
             clock: 33MHz
             capabilities: pci normal_decode bus_master cap_list
             configuration: driver=pcieport-driver
        *-pci:1
             description: PCI bridge
             product: 82801G (ICH7 Family) PCI Express Port 2
             vendor: Intel Corporation
             physical id: 1c.1
             bus info: pci@00:1c.1
             version: 02
             width: 32 bits
             clock: 33MHz
             capabilities: pci normal_decode bus_master cap_list
             configuration: driver=pcieport-driver
           *-network
                description: Wireless interface
                product: PRO/Wireless 3945ABG Network Connection
                vendor: Intel Corporation
                physical id: 0
                bus info: pci@04:00.0
                logical name: eth1
                version: 02
                serial: 00:19:d2:42:96:99
                width: 32 bits
                clock: 33MHz
                capabilities: bus_master cap_list ethernet physical wireless
                configuration: broadcast=yes driver=ipw3945 driverversion=1.2.0mp firmware=14.2 1:0 () ip=192.168.1.2 latency=0 multicast=yes wireless=IEEE 802.11g
                resources: iomemory:d8000000-d8000fff irq:16
        *-pci:2
             description: PCI bridge
             product: 82801G (ICH7 Family) PCI Express Port 3
             vendor: Intel Corporation
             physical id: 1c.2
             bus info: pci@00:1c.2
             version: 02
             width: 32 bits
             clock: 33MHz
             capabilities: pci normal_decode bus_master cap_list
             configuration: driver=pcieport-driver
           *-network
                description: Ethernet interface
                product: RTL8101E PCI Express Fast Ethernet controller
                vendor: Realtek Semiconductor Co., Ltd.
                physical id: 0
                bus info: pci@05:00.0
                logical name: eth0
                version: 01
                serial: 00:16:d4:90:95:97
                width: 64 bits
                clock: 33MHz
                capabilities: bus_master cap_list ethernet physical
                configuration: broadcast=yes driver=r8169 driverversion=2.2LK latency=0 multicast=yes
                resources: ioport:4000-40ff iomemory:da000000-da000fff irq:18
        *-usb:0
             description: USB Controller
             product: 82801G (ICH7 Family) USB UHCI #1
             vendor: Intel Corporation
             physical id: 1d
             bus info: pci@00:1d.0
             version: 02
             width: 32 bits
             clock: 33MHz
             capabilities: uhci bus_master
             configuration: driver=uhci_hcd latency=0
             resources: ioport:1820-183f irq:19
           *-usbhost
                product: UHCI Host Controller
                vendor: Linux 2.6.20-16-generic uhci_hcd
                physical id: 1
                bus info: usb@1
                logical name: usb1
                version: 2.06
                capabilities: usb-1.10
                configuration: driver=hub maxpower=0mA slots=2 speed=12.0MB/s
        *-usb:1
             description: USB Controller
             product: 82801G (ICH7 Family) USB UHCI #2
             vendor: Intel Corporation
             physical id: 1d.1
             bus info: pci@00:1d.1
             version: 02
             width: 32 bits
             clock: 33MHz
             capabilities: uhci bus_master
             configuration: driver=uhci_hcd latency=0
             resources: ioport:1840-185f irq:20
           *-usbhost
                product: UHCI Host Controller
                vendor: Linux 2.6.20-16-generic uhci_hcd
                physical id: 1
                bus info: usb@2
                logical name: usb2
                version: 2.06
                capabilities: usb-1.10
                configuration: driver=hub maxpower=0mA slots=2 speed=12.0MB/s
        *-usb:2
             description: USB Controller
             product: 82801G (ICH7 Family) USB UHCI #3
             vendor: Intel Corporation
             physical id: 1d.2
             bus info: pci@00:1d.2
             version: 02
             width: 32 bits
             clock: 33MHz
             capabilities: uhci bus_master
             configuration: driver=uhci_hcd latency=0
             resources: ioport:1860-187f irq:18
           *-usbhost
                product: UHCI Host Controller
                vendor: Linux 2.6.20-16-generic uhci_hcd
                physical id: 1
                bus info: usb@3
                logical name: usb3
                version: 2.06
                capabilities: usb-1.10
                configuration: driver=hub maxpower=0mA slots=2 speed=12.0MB/s
        *-usb:3
             description: USB Controller
             product: 82801G (ICH7 Family) USB UHCI #4
             vendor: Intel Corporation
             physical id: 1d.3
             bus info: pci@00:1d.3
             version: 02
             width: 32 bits
             clock: 33MHz
             capabilities: uhci bus_master
             configuration: driver=uhci_hcd latency=0
             resources: ioport:1880-189f irq:17
           *-usbhost
                product: UHCI Host Controller
                vendor: Linux 2.6.20-16-generic uhci_hcd
                physical id: 1
                bus info: usb@4
                logical name: usb4
                version: 2.06
                capabilities: usb-1.10
                configuration: driver=hub maxpower=0mA slots=2 speed=12.0MB/s
        *-usb:4
             description: USB Controller
             product: 82801G (ICH7 Family) USB2 EHCI Controller
             vendor: Intel Corporation
             physical id: 1d.7
             bus info: pci@00:1d.7
             version: 02
             width: 32 bits
             clock: 33MHz
             capabilities: ehci bus_master cap_list
             configuration: driver=ehci_hcd latency=0
             resources: iomemory:dc444000-dc4443ff irq:19
           *-usbhost
                product: EHCI Host Controller
                vendor: Linux 2.6.20-16-generic ehci_hcd
                physical id: 1
                bus info: usb@5
                logical name: usb5
                version: 2.06
                capabilities: usb-2.00
                configuration: driver=hub maxpower=0mA slots=8 speed=480.0MB/s
        *-pci:3
             description: PCI bridge
             product: 82801 Mobile PCI Bridge
             vendor: Intel Corporation
             physical id: 1e
             bus info: pci@00:1e.0
             version: e2
             width: 32 bits
             clock: 33MHz
             capabilities: pci subtractive_decode bus_master cap_list
           *-pcmcia
                description: CardBus bridge
                product: PCIxx12 Cardbus Controller
                vendor: Texas Instruments
                physical id: 4
                bus info: pci@06:04.0
                version: 00
                width: 32 bits
                clock: 33MHz
                capabilities: pcmcia bus_master cap_list
                configuration: driver=yenta_cardbus latency=176 maxlatency=5 mingnt=192
                resources: iomemory:dc006000-dc006fff irq:17
           *-firewire
                description: FireWire (IEEE 1394)
                product: PCIxx12 OHCI Compliant IEEE 1394 Host Controller
                vendor: Texas Instruments
                physical id: 4.1
                bus info: pci@06:04.1
                version: 00
                width: 32 bits
                clock: 33MHz
                capabilities: ohci bus_master cap_list
                configuration: driver=ohci1394 latency=32 maxlatency=4 mingnt=2
                resources: iomemory:dc005000-dc0057ff iomemory:dc000000-dc003fff irq:16
           *-storage
                description: Mass storage controller
                product: 5-in-1 Multimedia Card Reader (SD/MMC/MS/MS PRO/xD)
                vendor: Texas Instruments
                physical id: 4.2
                bus info: pci@06:04.2
                version: 00
                width: 32 bits
                clock: 33MHz
                capabilities: storage bus_master cap_list
                configuration: driver=tifm_7xx1 latency=57 maxlatency=4 mingnt=7
                resources: iomemory:dc004000-dc004fff irq:18
           *-system
                description: Generic system peripheral
                product: PCIxx12 SDA Standard Compliant SD Host Controller
                vendor: Texas Instruments
                physical id: 4.3
                bus info: pci@06:04.3
                version: 00
                width: 32 bits
                clock: 33MHz
                capabilities: bus_master cap_list
                configuration: driver=sdhci latency=57 maxlatency=4 mingnt=7
                resources: iomemory:dc005800-dc0058ff irq:20
        *-isa
             description: ISA bridge
             product: 82801GBM (ICH7-M) LPC Interface Bridge
             vendor: Intel Corporation
             physical id: 1f
             bus info: pci@00:1f.0
             version: 02
             width: 32 bits
             clock: 33MHz
             capabilities: isa bus_master cap_list
             configuration: latency=0
        *-ide
             description: IDE interface
             product: 82801GBM/GHM (ICH7 Family) Serial ATA Storage Controller IDE
             vendor: Intel Corporation
             physical id: 1f.2
             bus info: pci@00:1f.2
             logical name: scsi0
             logical name: scsi1
             version: 02
             width: 32 bits
             clock: 66MHz
             capabilities: ide bus_master cap_list scsi-host
             configuration: driver=ata_piix latency=0
             resources: ioport:1f0-1f7 ioport:3f4-3f3 ioport:170-177 ioport:374-373 ioport:18b0-18bf irq:20
        *-serial UNCLAIMED
             description: SMBus
             product: 82801G (ICH7 Family) SMBus Controller
             vendor: Intel Corporation
             physical id: 1f.3
             bus info: pci@00:1f.3
             version: 02
             width: 32 bits
             clock: 33MHz
             configuration: latency=0
             resources: ioport:18c0-18df irq:11