一颗螺丝钉毁掉RTX 3090！拧太深直接打穿PCB：换掉3个MOSFET才修好-快科技-科技改变生活

一颗螺丝钉毁掉RTX 3090！拧太深直接打穿PCB：换掉3个MOSFET才修好

黑白
2026年04月28日 18:27
0

快科技4月28日消息，维修博主Northwest Repair发布视频，展示了一块华硕ROG Strix RTX 3090因散热垫更换失误导致的严重损坏，故障原因也令人意外，一颗螺丝拧入过深，直接打穿了PCB。

据维修技师介绍，用户自行更换散热垫之后显卡发生了故障，散热垫本身规格正确，但一颗螺丝被拧入过深，穿透PCB导致与VRM控制电路相关的走线短路。

短路引发的连锁反应进一步损坏了多个元器件，维修师不得不更换3个MOSFET和1个相控芯片，并修复被切断的走线，才使显卡重新点亮。

值得庆幸的是，GPU核心在这次事故中幸存，维修师借此提醒所有计划自行更换散热垫或硅胶的用户：大型显卡上螺丝位置极其关键，建议使用螺丝分类板，按位置逐一存放螺丝，避免混装。

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#RTX 3090 #显卡 #螺丝

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