Warning: Use of undefined constant title - assumed 'title' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/data/tmp/tempnews1.php on line 152 电脑黑屏怎么办按三个键恢复正常
- 分类：硬件教程 发布时间： Warning: Use of undefined constant newstime - assumed 'newstime' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/data/tmp/tempnews1.php on line 156 2022年09月22日 17:18:29
电脑黑屏怎么办呢?电脑使用的时间久了之后难免户遇到各种各样的故障问题，比较常见的就是电脑黑屏现象了。那么电脑黑屏按三个键恢复亮屏呢?下面小编就教大家电脑黑屏按什么键恢复正常，我们一起来学习吧。
工具/原料：
系统版本：windows10系统
品牌型号：联想ThinkPad
方法/步骤：
分享电脑黑屏按三个键恢复正常步骤：
1、 同时按住“Ctrl+Alt+Delete”可弹出任务管理器，结束当前停止不动的任务就可以啦。
2、外部电源功率不足，导致一些老显示器或一些耗电功率大的显示器不能正常启动，是显示器自身故障问题引起的黑屏故障原因之一。或者外部电源电压不是很稳定，过高过低都可能造成显示器不工作哦。
3、显示器开关电路出现故障问题是引起显示器黑屏故障的主要原因，比如电源开关损坏、内部短路，比较常见的比如开关管损坏或者其外围电路元器件(灯管)出现损坏等等。
4、也有可能是输出电路或显像管以及其供电电路出现故障也是引起显示器黑屏故障的主要原因。特别是高压包的损坏在一些使用很久或品质不好的杂牌显示器中造成无显示黑屏故障问题比较常见。
总结：
1、同时按“Ctrl+Alt+Delete”键恢复。
2、最后排查外部电源功率不足、显示器开关、或者显像管等等是否出现故障问题。
上一篇：
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Warning: Use of undefined constant title - assumed 'title' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/data/tmp/tempnews1.php on line 217
qq邮箱在哪里找自己的邮箱号详情
下一篇：
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笔记本开机黑屏怎么办
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