https://community.hpe.com/t5/operating-system-microsoft/probook-4410s-audio-problem/m-p/4550722#M9561 Go to the Device manager and under the system devices check pci bus appears yellow <BR />colour if its appears yellow colour <BR />right clike on it and update the driver <BR />afer updated sound driver will detect<BR />then you can installed sound driver again<BR />thank you.. Fri, 12 Mar 2010 05:13:36 GMT Kasun 2010-03-12T05:13:36Z https://community.hpe.com/t5/operating-system-microsoft/probook-4410s-audio-problem/m-p/4550721#M9560 I bought this notebook last week and i install it with Windows XP Professional Edition. But, i have a problem with the audio. First, i install the Microsoft Universal Audio Architecture (UAA) Bus Driver for High-Definition Audio and then ADI SoundMAX AD1984A Audio Driver for Microsoft Windows XP. But the audio still not play. Wed, 16 Dec 2009 01:01:56 GMT https://community.hpe.com/t5/operating-system-microsoft/probook-4410s-audio-problem/m-p/4550721#M9560 Prasetyo 2009-12-16T01:01:56Z https://community.hpe.com/t5/operating-system-microsoft/probook-4410s-audio-problem/m-p/4550722#M9561 Go to the Device manager and under the system devices check pci bus appears yellow <BR />colour if its appears yellow colour <BR />right clike on it and update the driver <BR />afer updated sound driver will detect<BR />then you can installed sound driver again<BR />thank you.. Fri, 12 Mar 2010 05:13:36 GMT https://community.hpe.com/t5/operating-system-microsoft/probook-4410s-audio-problem/m-p/4550722#M9561 Kasun 2010-03-12T05:13:36Z