电脑主机打不开是什么情况?按电源开关不亮啊,电脑一点反应也没有

2025-03-15 11:42:44
推荐回答(4个)
回答1:

第一个原因:就是你的按扭本身就出了问题,所以你一按上去就没有反应了,这就是常见的开关按扭出现接触不良,所以你有时候也可以打开,果断的更换主机按扭,或者将开关键和重启键的按扭连接线更替一下也OK
第二个原因:哪就是你的主机电源的滤波电容出现问题,当这两个大电容出现暴裂或露液,造成供电出现问题,就会现这样的按下开机键,没有反应,但有时这个大电容的供电达到要求了,又可以开机的,所以你只要更换主机电源就OK。
第三个原因:就是内存或者显卡金手指被氧化了,造成这个内存和内存槽接触不良,显卡和显卡槽接触不良,引起的硬件不兼容现象,而导至的黑屏现象。
处理方法:你可以先断电,打开机厢,把内存拨出来,用橡皮擦对着金手指的部位(也就是有铜片的地方,)来回的擦上几回,然后换一根内存槽插回,就ok了,如果有独立显卡,你可以将显卡也用同上的方法处理一下,只是不要换插槽,就OK了,

回答2:

这个考虑是硬件问题或者电脑一些插头或插口接触不良
首先考虑是电源键有问题
其次考虑是电脑内部硬件比如显卡 cpu等问题
个人建议去维修点检修
可能时间比较长 但是这也没别的办法

回答3:

先检查电脑电源都是正常,不行去售后维修检查主板等硬件好坏

回答4:

考虑开关接触不良

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