Dell Latitude/D620 Error ID = 0x80040256

First of all hello everyone I hope you guys are having a great week.!
Well I have a sound problem with a Dell Latitude/D620. I install windows xp home addition. so after installing and running the program I wanted to run window media player but it give me an error which is said the following.!


"You either do not have a sound card installed on your computer or it is not functioning properly. If you do not have a sound card installed, you must install one before you can listen to audio in a digital media file. If you do have a sound card installed, refer to its documentation to troubleshoot the problem.

Error ID = 0x80040256, Remedy ID = 0x00000000"

can pls anyone help me out.. thank you..!!

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