多媒体计算机中的多媒体部件一般有光驱、声卡、解压卡、视频卡等，其工作原理、功能各异。根据计算机的用途不同，可有选择地配备上述部件。本文从应用的角度谈谈较典型的部件：声卡的故障现象和维修方法。 　　声卡是一种让计算机能对声音进行处理的部件，应具有录制、编辑、 Multimedia Computer multimedia components generally optical drive, sound card, decompression card, video card, etc., its working principle, different functions. Depending on the purpose of the computer, the above components are optionally available. This article from the application point of view to talk about the more typical components: sound card failure phenomenon and maintenance methods. Sound card is a computer that allows the processing of sound components, should have the recording, editing,