Plus de son

Bonjour,
Voilà, j'ai reformater mon pc et depuis je n'est plus de son.
Ma carte son n'est plus détecter.

Property Value
Manufacturer Packard Bell NEC
Version PB34211902
Serial Number 049180020409
Machine Type AT/AT COMPATIBLE
Infrared (IR) Supported No
DMI System UUID 7C33705C-A949DA11-80004E45-435F4349
UUID 5C70337C-49A9-11DA-8000-4E45435F4349

Disk Space Disk C: 203 GB Available, 232 GB Total, 203 GB Free

Physical Memory 1536 MB Total, 1180 MB Free
Memory Load 23%

Virtual Memory 3432 MB Total, 3055 MB Free

PageFile Name \??\C:\pagefile.sys
PageFile Size 2046 MB
In use 139 MB
Max used 139 MB
Registry Size 2 MB (current), 120 MB (maximum)

Profile GUID {b05e0e40-b888-11dd-9370-806d6172696f}

The system clock interval 15 ms

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Carte Mère
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Property Value
Manufacturer NEC COMPUTERS INTERNATIONAL
Model MS-7168
Version 1.0
Serial Number

North Bridge ATI Xpress 200 (RS480) Revision 10
South Bridge ATI SB400 Revision 10

CPU AMD Athlon(tm) 64 Processor 3400+
Cpu Socket Socket 939

System Slots 4 PCI

Memory Summary
Maximum Capacity 8192 MBytes
Memory Slots 4
Error Correction None

Warning! Accuracy of DMI data cannot be guaranteed

Merci de m'aider ;)