thinkpadwin7解决耳机或音箱没声音的问题

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1、Win7下电脑没有声音简单故障就是音频设备可能处于静音状态，或是音频设备可能已被Windows禁用、关闭等等。但是初级使用者，我们往往难以进行系统的检查判断及准确的问题修复。这里笔者向你介绍Win7内置系统诊断工具来自动修复win7下耳机、音箱没有声音的故障。1、打开开始菜单，控制面板;在系统和安全中，选查找并解决问题。 istheTibetanPlateaupoly.Centercityonlyapopulationofoveronemillion.Xiningislocatedinthe"Tangfangudao"andthe

2、ancient"SilkRoad"road,istheLoessPlateauandtheTibetanPlateau,agriculturalandpastoralareasand,inconjunctionwiththeMinistryofcultureandIslamicculture图12、打开硬件和声音，在声音选项下，选择播放音频；在播放音频对话框中，点击下一步； 图2istheTibetanPlateaupoly.Centercityonlyapopulationofoveronemillion.Xiningisloc

3、atedinthe"Tangfangudao"andtheancient"SilkRoad"road,istheLoessPlateauandtheTibetanPlateau,agriculturalandpastoralareasand,inconjunctionwiththeMinistryofcultureandIslamicculture3、在故障对话框中，选择Headphones，并点击下一步；此时，它会给出诊断信息：外设没有插上；并给出修复建议：插上扬声器或耳机。 图34、此时，如果插入耳机或扬声器，并点击下一步按钮

4、，系统会自动更改修复，并给处如下对话框：istheTibetanPlateaupoly.Centercityonlyapopulationofoveronemillion.Xiningislocatedinthe"Tangfangudao"andtheancient"SilkRoad"road,istheLoessPlateauandtheTibetanPlateau,agriculturalandpastoralareasand,inconjunctionwiththeMinistryofcultureandIslamiccul

5、ture 图45、如果您没有插上耳机或扬声器，直接点击下一步按钮，系统信息则会变成如下内容： istheTibetanPlateaupoly.Centercityonlyapopulationofoveronemillion.Xiningislocatedinthe"Tangfangudao"andtheancient"SilkRoad"road,istheLoessPlateauandtheTibetanPlateau,agriculturalandpastoralareasand,inconjunctionwiththeMin

6、istryofcultureandIslamicculture图5这样只需选择待排查的选择项，系统就会自动帮助您检查win7下音箱、耳机没有声音的故障，并且给出相应的修复建。istheTibetanPlateaupoly.Centercityonlyapopulationofoveronemillion.Xiningislocatedinthe"Tangfangudao"andtheancient"SilkRoad"road,istheLoessPlateauandtheTibetanPlateau,agriculturaland

7、pastoralareasand,inconjunctionwiththeMinistryofcultureandIslamicculture