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No sound Dell Inspiron - culprit Windows updates? ERUNT? anti-virus?
Several weeks ago my laptop stopped producing sound. I have investigated multiple options and am wondering if there have been any recent known bugs in lost sound, due to upgrades or something else that caused problems for others. I have tried the following:
- double-checking all the keyboard "F" function keys
- using Dell's trouble-shooting tools and instructions, which tell me the sound components are in good order
- updating drivers/removing and re-installing drivers
- using Windows' and control panel's trouble-shooting tools
- altering the sound "theme" offered by Windows
- adjusted the volume settings on my laptop
My laptop has IDT High Definition Audio CODEC as the default sound device. I don't use plug-in speakers or headphones.
I haven't dropped, jarred or otherwise damaged the laptop.
However, over the past several weeks I have:
- installed ERUNT as an emergency recovery utility (I receive error messages when I log on, so I think this utility is not working properly, but I haven't had a chance to troubleshoot it or remove it)
- installed suggested Windows updates
- installed MS Office updates
- regularly run Spybot and Spyhunter in addition to Malwarebytes
I noticed that my browser is slow and often locking up. I have to go into the Task Manager to get things moving again. I wonder if this is caused by script problems - Java, Shockwave? Could one of these be affecting my sound?
Thanks in advance for any assistance. It's driving me crazy not to have any sound.