I installed and uninstalled the original driver several times. I even used Revo Uninstaller to clean Registry fragments of Realtek drivers and SigmaTel drivers with a reboot before trying a fresh install. The feedback through the speakers when inserting the connector in the jack and the SigmaTel Control Panel display which shows the connected speaker in the jack has me scratching my head that the "device" is intact. I am not sure what the "audio device" is that is referred to in the error message. I asked my Mom to purchase RadioShack headphones and they do not produce any sound, either.
Is this a motherboard issue with integrated audio that I cannot "fix"? Most likely the event happened from one day to the next: there is good surge protection (Florida) and nothing was uninstalled or installed by my Mom.Thank you in advance for any ideas.AdamPiriform Speccy v 1.06: (I ran this after I ran Intel Update tool).GraphicsMonitorName Generic Non-PnP Monitor on Intel G965 Express Chipset FamilyCurrent Resolution 1024x768 pixelsWork Resolution 1024x738 pixelsState enabled, primaryMonitor Width 1024Monitor Height 768Monitor BPP 32 bits per pixelMonitor Frequency 60 HzDevice \\.\DISPLAY1\Monitor0Intel(R) G965 Express Chipset FamilyMemory 384 MBMemory type 2Driver version 126.96.36.1997Intel(R) G965 Express Chipset FamilyMemory type 2Driver version 188.8.131.527LogMeIn Mirror DriverMemory type 2Driver version 2.50.596Operating SystemMS Windows Vista Home Basic 32-bit SP2CPUIntel Pentium D 820SmithField 90nm TechnologyRAM1.5GB DDR2MotherboardDell Inc. 0WG864 (Microprocessor)GraphicsGeneric Non-PnP Monitor @ 1024x768Intel(R) G965 Express Chipset FamilyIntel(R) G965 Express Chipset FamilyLogMeIn Mirror DriverHard Drives156GB Seagate ST3160812AS (SATA) 39 °COptical DrivesTSSTcorp CDRWDVD TS-H493AAudioSigmaTel High Definition Audio CODECMotherboardManufacturer Dell Inc.Model 0WG864Chipset Vendor IntelChipset Model P965/G965Chipset Revision C2Southbridge Vendor IntelSouthbridge Model 82801HH (ICH8DH)Southbridge Revision B0BIOSBrand Dell Inc.Version 2.4.0Date 05/24/2007AudioSound CardSigmaTel High Definition Audio CODECPlayback DevicesHeadphones (SigmaTel High Definition Audio CODEC)Digital Output Device (SPDIF Out) (SigmaTel High Definition Audio CODEC)Speakers (SigmaTel High Definition Audio CODEC) (default)Recording DevicesRear Mic (SigmaTel High Definition Audio CODEC) (default)Front Mic (SigmaTel High Definition Audio CODEC)Front Mic (Monitor) (SigmaTel High Definition Audio CODEC)Line In (SigmaTel High Definition Audio CODEC)
What happened initially? Was the system reinstalled? and if it was I would suspect the Intel chipset drivers were not installed and they are key to a successful install.
With what you have now, you need the Dell SigmaTel drivers - do not install any other Windows supplied sound driver or SigmaTel driver (and the RealTek is a different manufacturer and will not work on a SigmaTel). Suggest you (1) Install the Intel chipset drivers, restart the PC and then install the Dell SigmaTel drivers and see if that gets it going.
I am not a Dell Employee
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Inspiron 15 - 5577 Laptop
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Initially, my Mom went to sleep and the next morning there was no audio from her speakers. There was no change in her installations (unless MS or Vista updated overnight and a conflict arose from there). I have read posts about SP2 conflicts with audio and the Sigmatel drivers.
The SigmaTel audio driver STAC 92XX-C Major HD released 6/19/07, ver 184.108.40.206.5511 A04 and the Intel Chipset released 11/30/06, ver 220.127.116.110A01
were installed directly from the DELL Website using the specific Tag number for the PC. RealTek was tried as a suggestion from one of the Vista Forums; that's why I used Revo to uninstall all traces when this driver did not work.
The OS was never reinstalled. Your suggestion to "(1) Install the Intel chipset drivers, restart the PC and then install the Dell SigmaTel drivers and see if that gets it going" was tried twice and the same error message (no audio device installed) appears in the system tray.
I am looking for confirmation at some point that this is a hardware issue, not a software issue, and whether my Mom should get a new MOB if she wants to have sound once again.
Go to the Device Manager and see what error code is showing for the SigmaTel. That may help in problem diagnosis.
To access the Device Manager, hold the Windows key down and press the Pause/Break Switch. The Device Manager should be listed in the panel that comes up.
It's too late now, but the first thing that should have been done is use the System Restore and restore the PC back to a date when it did work. Unless it is an unrecoverable hardware failure this usually fixes things such as this. Keep this in mind for future problems.
If it turns out the sound chip on the motherboard is actually bad, (a remote possibility) you can buy a PCI sound card and install that for sound. That is cheaper than a new motherboard and not as hard to install. Because of the Dell proprietary BTX style motherboard and the proprietary and undocumented front panel connection only another exact Dell model motherboard will work.
Device Manager has never had any yellow exclamation marks or error codes. The only "error" message is when you right-click the speaker icon in the system tray and Audio Mixer is selected at the top: "no audio deviuce installed" is what pops up. If attachments are allowed I took 5 or six screen saver images of my Mom's Device Manager and system tray messages. I tried to force a driver install using ADD Hardware, and I browsed for the SigmaTel driver without any issues. After it installed, there was a small message gain stating that the device might not function correctly because no audio device is installed. In SAFE mode, I tried as much as possible to reproduce the error after an installation of the SigmaTel driver and a similar "no audio device" error message occurred.
One more question: would a PCI sound card be unique to the DELL system, or any PCI sound card is okay? If we assume the sound chip is bad (I question this only because I hear feedback when a speaker plug is placed into the green jack on the tower) I wouldn't mind spending money on a PCI sound card if there is a chance that audio is restored to the PC.