helloo
i have a HP Elitebook 8560P with NO sound comming from the peackers or from headphones.
I ALLREADY checked:
*several drivers and windows versions (everything looks normal in device manager)
*BIOS update
*different speackers
* checked the jacks
* changed the IDT 92HD080B1X5

AND still the same problem, the device is installed i can turn volume up and down..but no audio!

ANY OTHER IDEEA?

try to install clean OS, may be at another HDD. then, check powers on codec ic, and sens out/input on jack and ic. also, if u have oscillator check signal transmited to codec and recived to amp. check mute signal.

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Ремонт ноутбуков в Мариуполе с гарантией: 53-40-45

i allready tried different hdd and OS
Checked power on codec IC-ok, cecked sense on jack - ok, i cannot identify the AMP, since i don't have a schematic..

it usually placed near whith codec, but ithink it ok, amp used only for speakers, usually.
what about oscilloscope?

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Ремонт ноутбуков в Мариуполе с гарантией: 53-40-45

unfortunately, i don't have one...but IDT codec chip was changed