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 小编教你解决电脑无法开机
- 分类：u盘教程 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 2017年10月06日 10:02:13
当我们按下电脑开机键的时候，电脑竟然没反应，重复试了几次还是那样，就是不见显示器显示。这可怎么办呢？所以只能够从中排查一一查找原因了，接下来，就跟随小编的步骤解决电脑无法开机的情况吧。
据网友反映出去呆了一段时间，回来后打开电脑，发现显示器无任何显示，甚至有机箱电源指示灯都不亮的情况其实，电脑无法开机也算是比较常见的问题了，只要找到原因的所在就能够解决电脑无法开机的情况。下面，小编就来演示一遍。
解决电脑无法开机
1、首先检查电脑的外部接线是否接好，把各个连线重新插一遍，再重新开机看看。
电脑无法开机(图1)
2、如果还是没有反应，打开主机箱查看机箱内看看主板上有无烧毁的芯片，CPU周围的电容有无损坏等。
电脑无法开机(图2)
3、没有的话，就清理主板上的灰尘，再开机试试看。
电脑无法开机(图3)
4、还是没有反应，拔掉主板上的Reset线及其他开关、指示灯连线，然后用改锥短路开关，看能否能开机。
5、无法开机，将硬盘、软驱、光驱的数据线拔掉，检查电脑是否能开机，如果电脑显示器出现开机画面，则说明问题在这几个设备中。接着再逐一把以上这几个设备接入电脑，当接入某一个设备时，故障重现，说明故障是由此设备造成的，最后再重点检查此设备。
电脑无法开机(图4)
6、如果上述操作不行，可能由内存、显卡、CPU、主板等设备引起
使用插拔法、交换法等方法分别检查内存、显卡、CPU等设备是否正常，遇到坏的就更换设备。
电脑无法开机(图5)
7、如果内存、显卡、CPU等设备正常将BIOS放电，采用隔离法，将主板安置在机箱外面，接上内存、显卡、CPU等进行测试，
如果电脑能显示了，接着再将主板安装到机箱内测试，直到找到故障原因。如果故障依旧则需要将主板返回厂家修理。
电脑无法开机(图6)
8、当电脑开机启动时，系统BIOS开始进行POST(加电自检)，当检测到电脑中某一设备有致命错误时，便控制扬声器发出声音报告错误。可以根据BIOS报警声的含义，来检查出现故障的设备，以排除故障。
电脑无法开机(图7)
9、若是电源供应没有问题且显示器本身也是好的，但是仍然无声无影，则可能是CPU有问题，包括CPU没插好。
以上就是电脑无法开机的一些排查修复方法。
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小白教你电脑突然关机
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