J'ai plus de son sur mon portable

Bonjour,
j'ai reformater mon ordi et j'ai plus de sons et je n'arrive plus a le configurer
merci de m aider
Version du plugin 3.5.3 build 0

Version de la base 11

Date de la détection 08/12/2009 19:44

Nom de la machine 9103914823124e7

Système d'exploitation Windows XP Edition familliale (build 2600) Service Pack 3
Navigateur web par défaut: Orange Web
Client e-mail par défaut: Orange Mail
Client de groupes de discussions par défaut: Outlook Express
Antivirus: Trend Micro Internet Security 17.50.1366
Pare-feu:Pare-feu personnel Trend Micro 5.8

Carte mère SMBios version 2.31
Hewlett-Packard 30AE 49.37
Bios: Hewlett-Packard F.31 01/04/2006 taille: 512Kb

Chipset Northbridge: ATI Xpress 200 (RS480)
Southbridge: ATI SB400

Processeur Mobile AMD Sempron 3000+ Albany Socket 754 (@90 nm) 1800 Mhz ( L1I: 64 Ko, L1D: 64 Ko, L2: 128 Ko )

Mémoire Mémoire physique totale: 512 Mo, Type: DDR, @159.2MHz, 2.5-3-3-7-2T
DDR Hyundai Electronics HYMD532M646CP6J 256 Mo PC2700 (166 Mhz)
DDR Hyundai Electronics HYMD532M646CP6J 256 Mo PC2700 (166 Mhz)

Carte Graphique ATI Technologies Inc Radeon XPRESS 200M 5955 (PCIE)

Périphériques IDE FUJITSU MHV2060AT PL 008300A1 (ATA, 55.89 Go, tampon: 8 Mo)

Lecteurs CD/DVD HL-DT-STDVDRAM GSA-4082NCQ04 (DVD-RAM Recorder)

Disque dur FUJITSU MHV2060AT PL (55.89Go)

Cartes PCI/AGP Stockage
ATI Technologies Inc:IXP SB400 IDE Controller

Réseau
Broadcom Corporation:BCM4318 [AirForce One 54g] 802.11g Wireless LAN Controller: Broadcom 802.11b/g WLAN
Realtek Semiconductor Co., Ltd.:RTL-8139/8139C/8139C+

Affichage
ATI Technologies Inc:Radeon XPRESS 200M 5955 (PCIE)

Multimedia
ATI Technologies Inc:IXP SB400 AC97 Audio Controller

Ponts
ATI Technologies Inc:RS480 Host Bridge
ATI Technologies Inc:RS480 PCI Bridge: RS480 PCI Bridge
ATI Technologies Inc:RS480 PCI Bridge: RS480 PCI Bridge
ATI Technologies Inc:IXP SB400 PCI-ISA Bridge: IXP SB400 PCI-ISA Bridge
ATI Technologies Inc:IXP SB400 PCI-PCI Bridge: IXP SB400 PCI-PCI Bridge
Advanced Micro Devices [AMD]:K8 [Athlon64/Opteron] HyperTransport Technology Configuration: K8 [Athlon64/Opteron] HyperTransport Technology Configuration
Advanced Micro Devices [AMD]:K8 [Athlon64/Opteron] Address Map: K8 [Athlon64/Opteron] Address Map
Advanced Micro Devices [AMD]:K8 [Athlon64/Opteron] DRAM Controller: K8 [Athlon64/Opteron] DRAM Controller
Advanced Micro Devices [AMD]:K8 [Athlon64/Opteron] Miscellaneous Control: K8 [Athlon64/Opteron] Miscellaneous Control

Communications
ATI Technologies Inc:SB400 AC97 Modem Controller

Bus Series
ATI Technologies Inc:IXP SB400 USB Host Controller
ATI Technologies Inc:IXP SB400 USB Host Controller
ATI Technologies Inc:IXP SB400 USB2 Host Controller
ATI Technologies Inc:IXP SB400 SMBus Controller

Périphérique USB Logitech, Inc. N48/M-BB48 [FirstMouse Plus] (Logitech USB First/Pilot Mouse+)

Clavier Clavier standard 101/102 touches ou clavier Microsoft Natural Keyboard PS/2

Souris Logitech-compatible Mouse PS/2
HID-compliant Wheel Mouse