after reformatting my pc, there was no sounds anymore. here is my EVEREST summary

Quote

--------[ EVEREST Ultimate Edition ]------------------------------------------------------------------------------------

Version EVEREST v5.02.1750
Benchmark Module 2.4.258.0
Homepage http://www.lavalys.com/
Report Type Quick Report
Computer ADMIN-7B81F256C
Generator kathleen
Operating System Microsoft Windows XP Professional 5.1.2600 (WinXP Retail)
Date 2009-10-03
Time 23:06


--------[ Summary ]-----------------------------------------------------------------------------------------------------

Computer:
Computer Type ACPI Multiprocessor PC
Operating System Microsoft Windows XP Professional
OS Service Pack Service Pack 2
Internet Explorer 6.0.2900.2180 (IE 6.0 SP2)
DirectX 4.09.00.0904 (DirectX 9.0c)
Computer Name ADMIN-7B81F256C
User Name kathleen
Logon Domain ADMIN-7B81F256C
Date / Time 2009-10-03 / 23:06

Motherboard:
CPU Type DualCore Intel Pentium D 805, 2666 MHz (20 x 133)
Motherboard Name ASRock ConRoe865GV (3 PCI, 1 AGP, 1 AMR, 2 DDR DIMM, Audio, Video, LAN)
Motherboard Chipset Intel Morgan Hill i865GV
System Memory 246 MB (PC3200 DDR SDRAM)
DIMM3: Hexon Tech. HEXON 256 MB PC3200 DDR SDRAM (3.0-4-4-8 @ 200 MHz) (2.5-3-3-7 @ 166 MHz) (2.0-3-3-6 @ 133 MHz)
BIOS Type AMI (11/02/06)
Communication Port Communications Port (COM1)
Communication Port ECP Printer Port (LPT1)

Display:
Video Adapter Intel Extreme Graphics 2
3D ACCELERATOR Intel Extreme Graphics 2

Multimedia:
Audio Adapter C-Media CMI9739A/9761 @ Intel 82801EB ICH5 - AC'97 Audio Controller [A-2/A-3]

Storage:
IDE Controller Intel(R) 82801EB Ultra ATA Storage Controllers - 24DB
Floppy Drive Floppy disk drive
Disk Drive ST380215A (80 GB, 7200 RPM, Ultra-ATA/100)
Disk Drive WDC WD16 00BB-00GUA0 USB Device (149 GB, USB)
Optical Drive TSSTcorp CD/DVDW SH-S182M (DVD+R9:8x, DVD-R9:8x, DVD+RW:18x/8x, DVD-RW:18x/6x, DVD-RAM:12x, DVD-ROM:16x, CD:48x/32x/48x DVD+RW/DVD-RW/DVD-RAM)
SMART Hard Disks Status OK

Partitions:
C: (FAT32) 14983 MB (6261 MB free)
D: (NTFS) 20002 MB (4033 MB free)
E: (NTFS) 20002 MB (14446 MB free)
F: (NTFS) 21304 MB (8930 MB free)
H: (NTFS) 35000 MB (34654 MB free)
I: (NTFS) 39997 MB (26870 MB free)
J: (NTFS) 42625 MB (26182 MB free)
K: (NTFS) 35000 MB (3805 MB free)
Total Size 223.6 GB (122.3 GB free)

Input:
Keyboard STANDARD 101/102-Key or Microsoft Natural PS/2 Keyboard
Mouse Microsoft PS/2 Mouse

Network:
Primary IP Address 192.168.1.4
Primary MAC Address 00-19-66-00-42-41
Network Adapter Realtek RTL8139 Family PCI Fast Ethernet NIC (192.168.1.4)

Peripherals:
Printer Send To OneNote 2007
Infrared Controller Infrared Port
USB1 Controller Intel 82801EB ICH5 - USB Controller [A-2/A-3]
USB1 Controller Intel 82801EB ICH5 - USB Controller [A-2/A-3]
USB1 Controller Intel 82801EB ICH5 - USB Controller [A-2/A-3]
USB1 Controller Intel 82801EB ICH5 - USB Controller [A-2/A-3]
USB2 Controller Intel 82801EB ICH5 - Enhanced USB2 Controller [A-2/A-3]
USB Device USB Mass Storage Device

DMI:
DMI BIOS Vendor American Megatrends Inc.
DMI BIOS Version P1.30
DMI System Manufacturer To Be Filled By O.E.M.
DMI System Product To Be Filled By O.E.M.
DMI System Version To Be Filled By O.E.M.
DMI System Serial Number To Be Filled By O.E.M.
DMI System UUID 00020003-00040005-00060007-00080009
DMI Motherboard Manufacturer
DMI Motherboard Product ConRoe865GV
DMI Motherboard Version
DMI Motherboard Serial Number
DMI Chassis Manufacturer To Be Filled By O.E.M.
DMI Chassis Version To Be Filled By O.E.M.
DMI Chassis Serial Number To Be Filled By O.E.M.
DMI Chassis Asset Tag To Be Filled By O.E.M.
DMI Chassis Type Desktop Case
DMI Total / Free Memory Sockets 2 / 1