My computer won’t play any sound!?

I have a Sony Vaio VGC-RA826G(UC) and im running windows 7. My sound was working fine, till about a month ago it suddenly went out. My computer says their is no sound problem and my sound botton on the right of the screen if active while playing any sound. I initially tried system restore, no luck. I then tried updating my sound driver, it was "already up to date". I tried uninstalling " Microsoft High Difinition Audio Device" and reinstalling, nothing. I then tried changing sound drivers. I downloaded and installed "Realtek High Difinition Audio Driver", still no luck. Im pretty mad by now so i tried checking out the obious, cable connection, playback devices, volume control… but nothing had any effect. So now im online looking for some leads, I ran into a website that suggested updating my bios? I went to sony’s support site and they have a XP bios update, tried installing it but it says it cant install becuase it decects im not running XP! I also ran into a website that suggested enabling or disabling the onboard sound in bios, but i couldnt find such thing it my bios. I have ran out of leads and ideas, i hope someone can inlighed my life and help me out!

I ran a Belarc Advisor, these are some of the results:

Operating System System Model
Windows 7 Ultimate (build 7600)
Install Language: English (United States)
System Locale: English (United States) Sony Corporation VGC-RA826G(UC)
System Serial Number: 28478630-3006364
Asset Tag: P146000004001F72B9339B327D6F
Chassis Serial Number: R4663885
Enclosure Type: Desktop
Processor a Main Circuit Board b
3.40 gigahertz Intel Pentium 4
16 kilobyte primary memory cache
1024 kilobyte secondary memory cache
Hyper-threaded (2 total) Board: ASUSTeK Computer INC. PTGD2-VX Rev 1.xx
Bus Clock: 200 megahertz
BIOS: American Megatrends Inc. 2004 11/16/2004
Drives Memory Modules c,d
39.99 Gigabytes Usable Hard Drive Capacity
16.09 Gigabytes Hard Drive Free Space

HL-DT-ST DVD-ROM GDR8163B ATA Device [CD-ROM drive]
SONY DVD RW DW-D22A ATA Device [CD-ROM drive]
3.5" format removeable media [Floppy drive]

Sony UMH-U HS-CF USB Device [Hard drive] — drive 2
Sony UMH-U HS-MS USB Device [Hard drive] — drive 1
Sony UMH-U HS-SD/MMC USB Device [Hard drive] — drive 4
Sony UMH-U HS-XD USB Device [Hard drive] — drive 3
ST340014AS [Hard drive] (40.00 GB) — drive 0, s/n 5JXFMGL0, rev 8.05, SMART Status: Healthy 2944 Megabytes Usable Installed Memory

Slot ‘DIMM0′ has 1024 MB
Slot ‘DIMM1′ has 512 MB
Slot ‘DIMM2′ has 1024 MB
Slot ‘DIMM3′ has 512 MB
Local Drive Volumes

c: (NTFS on drive 0) 39.99 GB 16.09 GB free

Network Drives
None detected
Users (mouse over user name for details) Printers
local user accounts last logon
African Dizmo 1/24/2010 8:56:18 PM
Panda 1/26/2010 2:51:03 AM (admin)
local system accounts
Administrator 7/13/2009 9:53:58 PM (admin)
Guest never
HomeGroupUser$ never

Marks a disabled account; Marks a locked account HP Photosmart 2600 series on USB001
Microsoft Shared Fax Driver on SHRFAX:
Microsoft XPS Document Writer on XPSPort:

Controllers Display
Standard floppy disk controller
ATA Channel 0 [Controller] (2x)
ATA Channel 1 [Controller]
Intel(R) 82801FB Ultra ATA Storage Controllers - 2651
Intel(R) 82801FB/FBM Ultra ATA Storage Controllers - 266F RADEON X600/X550 Series (Microsoft Corporation - WDDM) [Display adapter]
Generic Non-PnP Monitor
Bus Adapters Multimedia
Intel(R) 82801FB/FBM USB Universal Host Controller - 2658
Intel(R) 82801FB/FBM USB Universal Host Controller - 2659
Intel(R) 82801FB/FBM USB Universal Host Controller - 265A
Intel(R) 82801FB/FBM USB Universal Host Controller - 265B
Intel(R) 82801FB/FBM USB2 Enhanced Host Controller - 265C Realtek High Definition Audio

I also ran a DirectX Diagnostic Tool, these are my sound results:

————-
Sound Devices
————-
Description: Speakers (Realtek High Definition Audio)
Default Sound Playback: Yes
Default Voice Playback: Yes
Hardware ID: HDAUDIO\FUNC_01&VEN_10EC&DEV_0880&SUBSYS_08800000&REV_0905
Manufacturer ID: 1
Product ID: 100
Type: WDM
Driver Name: RTKVHDA.sys
Driver Version: 6.00.0001.6013 (English)
Driver Attributes: Final Retail
WHQL Logo’d: Yes
Date and Size: 12/25/2009 18:28:34, 2981024 bytes
Other Files:
Driver Provider: Realtek Semiconductor Corp.
HW Accel Level: Basic
Cap Flags: 0xF1F
Min/Max Sample Rate: 100, 200000
Static/Strm HW Mix Bufs: 1, 0
Static/Strm HW 3D Bufs: 0, 0
HW Memory: 0
Voice Management: No
EAX(tm) 2.0 Listen/Src: No, No
I3DL2(tm) Listen/Src: No, No
Sensaura(tm) ZoomFX(tm): No

Description: Realtek Digital Output (Realtek High Definition Audio)
Default Sound Playback: No
Default

Check if it’s muted or Put your wave on Full Volume.

Or go to Realtek and go to the middle green one and it should it be on either Line In or Line Out.

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2 Responses to “My computer won’t play any sound!?”

  1. kowther Says:

    Check if it’s muted or Put your wave on Full Volume.

    Or go to Realtek and go to the middle green one and it should it be on either Line In or Line Out.
    References :

  2. mazsheps Says:

    i’d suggest plugging in some speakers and see if they work, maybe soundcard is ok but speakers are goosed.
    References :

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