Sound problems with Optiplex 755

Question

So I just got this computer from my mom. She sent it to me and said if I could fix it, I could keep it. I fixed it (I just had to reseat the ram) but now the sound is . All the windows sounds work fine (Like the notification sounds and the keyboard clicks in Opera that I haven't turned off yet) but if I watch a YouTube video or something, it sounds all blown out and almost like the background sound is in one ear and louder than the main sound in the other ear. I don't know what caused this. I am using Windows 10 and the Apple earbuds that came with iPhones back when they had a normal headphone jack.

speedstep · Accepted Answer

Sound doesnt work correctly without the OEM Driver and internal speaker is not really a sound system.

https://www.dell.com/support/home/en-us/product-support/product/optiplex-755/drivers

Analog devices windows driver AD198x

https://dl.dell.com/audio/R164900.exe

Mary G · Answer

Try adding external speakers if you have not already done that. You should have said which of the 4 models of the 755 you have. Manual here-- https://downloads.dell.com/manuals/all-products/esuprt_desktop/esuprt_optiplex_desktop/optiplex-755_user%27s%20guide_en-us.pdf

elpro999dell · Answer

You should check to see if your earphones are plugged in all the way. Look for damage to the headphone plug and the jack on the pc Try the rear jack on the pc (there is two of them use the green one)

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Sound problems with Optiplex 755

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