台式主机已经用4年,cpu是AMDR52600,显卡是七彩虹10605G,技嘉A320M主板,存储三星970EVO,上个月给主机清灰,给CPU和显卡换了硅脂后,电脑出现莫名其妙的卡顿,鼠标在桌面滑动时候不顺畅有点卡,看视频突然嗞的一声卡一下,游戏时也会嗞的卡一下,原神以前能60帧运行,现在玩刚进游戏有60帧,切换地图和打开菜单会掉到20帧,鲁大师跑分只有4万,去电脑店检查显卡没有问题在店里测试跑分正常,甜甜圈测也正常,回来插到自己电脑上跑分还是低,卡顿依然存在,自己怀疑是电源和硬盘的问题,买了新电源和硬盘,装上去,看视频卡顿跑分低游戏掉帧依然存在,重装系统过很多次都是装的官网系统,有大神能帮我分析一下是哪里出了问题吗?是不是主板坏了?![](http://tiebapic.baidu.com/forum/w%3D580/sign=3a2040ca4cf79052ef1f47363cf2d738/13986a600c338744f17c1ca5140fd9f9d52aa0ee.jpg?tbpicau=2024-07-08-05_8993196406bc8445ece410015b9889b5)
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