联想电脑黑屏却开着机怎么恢复

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　　联想电脑使用的时间久后难免会遇到些故障问题,比如说电脑黑屏问题.有网友反映自己的联想电脑黑屏却开着机怎么回事,该如何恢复呢?下面小编就教下大家修复联想电脑黑屏的方法.

　　1.笔记本电脑主板的启动电路故障，如时钟、复位、供电、MOS管等，可能导致无法启动、黑屏、I/O问题、计算机无法启动、黑屏等。处理方法：售后或维修店维修主板。

　　2.笔记本电脑的屏幕线断裂或接触不良，导致屏幕上没有图像信号显示，即黑屏。应对措施：让维护笔记本电脑的人重新插入屏幕或者更换屏幕。

　　3.笔记本电源适配器损坏，无法通电，或笔记本电池无电，导致无法从表面启动，黑屏。解决办法：更换电源适配器，或将电瓶充上电。

　　4.氧化笔记本电脑的内存和显卡，导致与内存槽或显卡槽接触不良，机器无法打开。黑屏。处置：拔下电源线，打开后盖，取出存储器卡槽。假如没有焊接到主板上的独立显卡，也要移出卡槽，对着存储器和金指(即有铜片的地方)，用橡皮反复擦拭几遍，吹灰，再插入并盖上后盖。启动通常是可以的。

　　5.笔记本图形卡出现虚焊现象，主芯片性能下降，显卡BIOS出现混乱，控制电源IC故障，造成显卡无法正常工作，或显卡因显卡不能正常工作而损坏，解决方法：创建修复显卡，或换显卡。

　　以上就是联想电脑黑屏却开着机怎么恢复，希望能帮助到大家。

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