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You need the sound driver I assume for this laptop. If it doesnt match hardware perfectly then nothing will work.
Go to vendors site with your S/N and Model number to locate the exact sound driver.
Have you checked in control panel / sound speech / sounds & audio devices / click on "sounds" blind and see if any of the sounds can be activated by clicking the big black arrow. If greyed out then the driver is not installed.
Check out either the audio drivers (start > settings > control panel > system > hardware > device manager >check for exclamation mark in front of the audio device) and update if nessersary, Or the audio mixer levels from the audio related icon at the taskbar. In case it's missing go start > settings > control panel >sound devices > mark the checkbox "volume icon at the taskbar"
After the above you will be able to hear audio from your computer but in case of a problem or clarification, don't hesitate to post.
Thanks and regards Please kindly rate this solution Stelios direct FixYa link: http://www.fixya.com/users/technical114
after downloading drivers,open the setup and install it to your PC.Check the sound card.the installed drivers must be suitable for your sound card.not all drivers will operate on your sound card.if still problem persists try installing vista.
I ahve problem like My laptop is C700 series of compaq(C772TU) I ahve changed it OS from vista to XP and now there is no audio output whenever I try to play a song it gives msg like " Please installproper device or select another device in configuration Error code: 88780078"
please suggest me proper solution
windows key + R = open : devmgmt.msc Sounds, video and game controlers > (right click) Realtek high definition audio > update driver sofware > browse my computer for driver software > let me pick from a list...> double click on Realtek high definition audio > YES to update driver warning > AND SWEET SOUND IS AUDIBLE :D