NO sounds coming from youtube and other audio or videos from internet but music files ok

please help ...

HDAUDIO 838476A0102801F9 SigmaTel SigmaTel High Definition Audio CODEC Internal High Definition Audio Bus MEDIA
HDAUDIO 14F12C0614F1000F Conexant Conexant HDA D330 MDC V.92 Modem Internal High Definition Audio Bus Modem
PCI 10DE042B01F91028030000 NVIDIA NVIDIA Quadro NVS 135M PCI bus 1, device 0, function 0 Display
PCI 121700F701F910280C0010 IEEE 1394 OHCI Compliant Host Controller Vendor OHCI Compliant IEEE 1394 Host Controller PCI bus 3, device 1, function 4 1394
PCI 1217713501F91028060700 O2Micro Int'l O2Micro OZ711EZ1 MemoryCardBus Controller PCI bus 3, device 1, function 0 PCMCIA
PCI 14E4167301F91028020000 Broadcom Broadcom NetXtreme 57xx Gigabit Controller PCI bus 9, device 0, function 0 Net
PCI 8086244800000000060401 Intel Intel(R) 82801BAM/CAM PCI Bridge - 2448 PCI bus 0, device 30, function 0 System
PCI 8086281500000000060100 Intel Intel(R) ICH8M LPC Interface Controller - 2815 PCI bus 0, device 31, function 0 System
PCI 8086282801F9102801018F Intel Intel(R) ICH8M 3 port Serial ATA Storage Controller - 2828 PCI bus 0, device 31, function 2 hdc
PCI 8086283001F910280C0300 Intel Intel(R) ICH8 Family USB Universal Host Controller - 2830 PCI bus 0, device 29, function 0 USB
PCI 8086283101F910280C0300 Intel Intel(R) ICH8 Family USB Universal Host Controller - 2831 PCI bus 0, device 29, function 1 USB
PCI 8086283201F910280C0300 Intel Intel(R) ICH8 Family USB Universal Host Controller - 2832 PCI bus 0, device 29, function 2 USB
PCI 8086283401F910280C0300 Intel Intel(R) ICH8 Family USB Universal Host Controller - 2834 PCI bus 0, device 26, function 0 USB
PCI 8086283501F910280C0300 Intel Intel(R) ICH8 Family USB Universal Host Controller - 2835 PCI bus 0, device 26, function 1 USB
PCI 8086283601F910280C0320 Intel Intel(R) ICH8 Family USB2 Enhanced Host Controller - 2836 PCI bus 0, device 29, function 7 USB
PCI 8086283A01F910280C0320 Intel Intel(R) ICH8 Family USB2 Enhanced Host Controller - 283A PCI bus 0, device 26, function 7 USB
PCI 8086283E01F910280C0500 Intel Intel(R) ICH8 Family SMBus Controller - 283E PCI bus 0, device 31, function 3 System
PCI 8086283F00000000060400 Intel Intel(R) ICH8 Family PCI Express Root Port 1 - 283F PCI bus 0, device 28, function 0 System
PCI 8086284100000000060400 Intel Intel(R) ICH8 Family PCI Express Root Port 2 - 2841 PCI bus 0, device 28, function 1 System
PCI 8086284900000000060400 Intel Intel(R) ICH8 Family PCI Express Root Port 6 - 2849 PCI bus 0, device 28, function 5 System
PCI 8086284B01F91028040300 Microsoft Microsoft UAA Bus Driver for High Definition Audio PCI bus 0, device 27, function 0 System
PCI 8086285001F9102801018A Intel Intel(R) ICH8M Ultra ATA Storage Controllers - 2850 PCI bus 0, device 31, function 1 hdc
PCI 80862A0000000000060000 Intel Mobile Intel(R) PM965/GM965/GL960 Express Processor to DRAM Controller - 2A00 PCI bus 0, device 0, function 0 System
PCI 80862A0100000000060400 Intel Mobile Intel(R) PM965/GM965/GL960 Express PCI Express Root Port - 2A01 PCI bus 0, device 1, function 0 System
PCI 8086422210208086028000 Intel Corporation Intel(R) PRO/Wireless 3945ABG Network Connection PCI bus 12, device 0, function 0 Net
USB 80862835 (Standard USB Host Controller) USB Root Hub (Standard USB Host Controller) USB
USB 80862832 (Standard USB Host Controller) USB Root Hub (Standard USB Host Controller) USB
USB 80862831 (Standard USB Host Controller) USB Root Hub (Standard USB Host Controller) USB
USB 80862834 (Standard USB Host Controller) USB Root Hub (Standard USB Host Controller) USB
USB 80862830 (Standard USB Host Controller) USB Root Hub (Standard USB Host Controller) USB
USB 8086283A (Standard USB Host Controller) USB Root Hub (Standard USB Host Controller) USB
USB 80862836 (Standard USB Host Controller) USB Root Hub (Standard USB Host Controller) USB
USB 0458003A (Standard system devices) USB Human Interface Device Optical Mouse HIDClass
USB 0AC8303B A4 TECH G-Cube Notebook Web Camera PC Camera Image
USB 0B977761 (Generic USB Hub) Generic USB Hub USB Device USB
USB 0B977772 O2Micro O2Micro OZ776 USB CCID Smartcard Reader O2Micro CCID SC Reader SmartCardReader
USB 413C0058 (Generic USB Hub) Generic USB Hub USB Device USB
USB 413C8140 USB Device USB Device USB Device USB Device


CPU : Intel Core 2 Duo T7250 @ 2.00GHz 5.1.2600.0 (4-1-2004) ( 3dpchip.com/3dp/chip_13cpu.php?d=intel )
Motherboard : [Dell ] Intel PM965 / GM965 / GL960 ( 3dpchip.com/3dp/chip_13mb.php?d=intel )
Graphic Card : NVIDIA Quadro NVS 135M 6.14.11.119 (4-28-2007) ( 3dpchip.com/3dp/chip_13gc.php?d=nvidia_gf8mo )
Multimedia Card : IDT (SigmaTel) C-Major HD Audio (STAC92xx) 5.10.0.5515 (5-10-2007) ( dpchip.com/3dp/chip_13sc.php?d=idt_hd_dell )
Multimedia Card : MUnknown 14F12C06 hardware ( 3dpchip.com/3dp/chip_13sc.php?d=feedback )
Multimedia Card : XySystem XyView USB €ø ( 3dpchip.com/3dp/chip_13sc.php?d=xys_usb )
Ethernet Card : Broadcom NetXtreme BCM5755M 10.26.0.0 (3-6-2007) ( 3dpchip.com/3dp/chip.php?driver=dp_net )
Ethernet Card : Intel Pro-Wireless 3945ABG Network Connection 11.1.1.22 (8-8-2007) ( 3dpchip.com/3dp/chip.php?driver=dp_net )
ETC : Bluetooth : Dell Wireless 360 Bluetooth Module ( 3dpchip.com/3dp/chip_13etc.php?d=toshiba_bluetooth )

Memory : 2.00GB

O/S : Windows XP Professional SP3 32bit

Chip Ver.131023