Audio is not working

I accidentally deleted IDT audio from the contol panel. Because of this, the audio is not working. Therefore, I tried downloading it again but my laptop responded with [error, declined, your computer does not reach the requirement ect]


Just to clarify I have a hp laptop windows 7.
 
It could be the driver you downloaded not compatible to your system.... are you using 32bit or 64bit? if you are using 32bit then download only driver for your audio according to their compatibility..likewise in 64bit..
 
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