Unable To install Sound Driver

Dear Friends,

please help me with my problem. i can't install Sound Driver in my notebook Toshiba NB520

thanks for your help

USB    04F2B1D6    Microsoft    USB Video Device    0000.001d.0007.008.000.000.000.000.000    Image
PCI    80860BE2FDC01179030000    Intel Corporation    Intel(R) Graphics Media Accelerator 3600 Series    PCI bus 0, device 2, function 0    Display
PCI    808627CBFDC011790C0300    Intel    Intel(R) N10/ICH7 Family USB Universal Host Controller - 27CB    PCI bus 0, device 29, function 3    USB
PCI    80860BF2FDC01179060000    (Standard system devices)    PCI standard host CPU bridge    PCI bus 0, device 0, function 0    System
PCI    808627CCFDC011790C0320    Intel    Intel(R) N10/ICH7 Family USB2 Enhanced Host Controller - 27CC    PCI bus 0, device 29, function 7    USB
PCI    80862448FDC01179060401    Intel    Intel(R) 82801 PCI Bridge - 2448    PCI bus 0, device 30, function 0    System
PCI    808627D0FDC01179060400    Intel    Intel(R) N10/ICH7 Family PCI Express Root Port - 27D0    PCI bus 0, device 28, function 0    System
PCI    808627BCFDC01179060100    Compal Electronics, INC.    LPC Interface Controller    PCI bus 0, device 31, function 0    System
PCI    808627D2FDC01179060400    Intel    Intel(R) N10/ICH7 Family PCI Express Root Port - 27D2    PCI bus 0, device 28, function 1    System
PCI    808627C1FDC01179010601    Intel    Intel(R) ICH7R/DH SATA AHCI Controller    PCI bus 0, device 31, function 2    hdc
PCI    808627D8FDC01179040300    Microsoft    High Definition Audio Controller    PCI bus 0, device 27, function 0    System
USB    808627C9    (Standard USB Host Controller)    USB Root Hub    (Standard USB Host Controller)    USB
PCI    808627C8FDC011790C0300    Intel    Intel(R) N10/ICH7 Family USB Universal Host Controller - 27C8    PCI bus 0, device 29, function 0    USB
PCI    808627DAFDC011790C0500    Intel    Intel(R) N10/ICH7 Family SMBus Controller - 27DA    PCI bus 0, device 31, function 3    System
USB    808627C8    (Standard USB Host Controller)    USB Root Hub    (Standard USB Host Controller)    USB
USB    808627CA    (Standard USB Host Controller)    USB Root Hub    (Standard USB Host Controller)    USB
PCI    10EC8136FDC01179020000    Realtek    Realtek PCIe FE Family Controller    PCI bus 1, device 0, function 0    Net
PCI    808627C9FDC011790C0300    Intel    Intel(R) N10/ICH7 Family USB Universal Host Controller - 27C9    PCI bus 0, device 29, function 1    USB
USB    808627CB    (Standard USB Host Controller)    USB Root Hub    (Standard USB Host Controller)    USB
USB    808627CC    (Standard USB Host Controller)    USB Root Hub    (Standard USB Host Controller)    USB
PCI    168C002B661311AD028000    Atheros Communications Inc.    Atheros AR9002WB-1NG Wireless Network Adapter    PCI bus 2, device 0, function 0    Net
PCI    808627CAFDC011790C0300    Intel    Intel(R) N10/ICH7 Family USB Universal Host Controller - 27CA    PCI bus 0, device 29, function 2    USB
USB    04F2B1D6    (Standard USB Host Controller)    USB Composite Device    Port_#0008.Hub_#0005    USB


CPU : Intel Atom  N2800 @ 1.86GHz ( http://vga.pe.kr/3dp/chip12.php?driver=intel_cpu )
Motherboard : [TOSHIBA QBU00] Unknown Intel hardware ( http://vga.pe.kr/3dp/chip12.php?driver=feedback )
Graphic Card : Intel GMA 3600 ( http://vga.pe.kr/3dp/chip12.php?driver=intel_gc_g3600 )
Multimedia Card : Unknown 808627D8 HD Audio ( http://vga.pe.kr/3dp/chip12.php?driver=hdaudio )
Ethernet Card : Realtek RTL8139/810x Family PCI-E Gigabit Ethernet ( http://vga.pe.kr/3dp/chip.php?driver=dp_net )
Ethernet Card : Atheros AR9002WB-1NG Wireless Network Adapter (Toshiba) ( http://vga.pe.kr/3dp/chip.php?driver=dp_net )

Memory : 1.99GB

O/S : Windows 7 Ultimate 32bit


3DP Chip (http://www.3dpchip.com) - Chip Ver.120730