Íá ãÔßáÉ ÇáÕæÊ solved : hp probook 450 g3 audio driver problem

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http://h30434.www3.hp.com/t5/Noteboo...3/td-p/5420751

the answer; disable Intel Smart Audio in the BIOS and then the Conexant hardware will show and you can install the driver.

In the Device Management window of your probook 450 g3 , uninstall the audio card -

Launch from the window " device management " looking for new devices

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Go into the BIOS> Advanced >and make sure that Intel Smart Audio is not selected. Restart, reinstall

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