电脑开不起机但是CPU风扇在转是怎么回事

2025-04-07 22:19:59
推荐回答(3个)
回答1:

电脑开不起机的问题,也许是电脑没有安装操作系统,也许是设置错误,也许是操作系统崩溃,也许是硬件没有安装全或者有兼容问题。但是只要接通电源,电脑内的电源就有了点。如果按下开机按钮,主板就会自动被通电,而风扇是不经任何干预而直接从主板上取电的。所以只要你按下开机按钮,风扇就会工作。事实证明,即使不进入操作系统,电脑内的大部分元件都会发热,因为通电就发热。只是热量不会特别大。所以风扇必须最开始就工作。就像所有的发电站在正式运行发电之前,所有的冷却系统必须提前开启以保证安全。这是正确的工作流程。

回答2:

CPU的问题,
和主板。一个办法测试一下,如没有测试卡,把风扇拿下来,手触CPU看看过热不热,如热就是CPC没问题,主板的问题。不热,CPU,主板都要检查。其他设备坏可能性很小(当手触CPU时感觉到热迅速关掉电源)

回答3:

把电源的浅绿色线和黑色线用镊子连在一起,看电源风扇转不转,要是不转,电源坏!

要是电源风扇转,就是主板坏!

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