求助，笔记本屏幕不亮 - V2EX

求助，笔记本屏幕不亮 - V2EX

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This topic created in 1068 days ago, the information mentioned may be changed or developed.

家里长辈的一台 17 年的联想小新，开机屏幕不显示，键盘灯亮、有风扇声、能看见屏幕有背光灯亮

接线外接到屏幕上，正常能投过去，输密码进系统都是正常的，猜测可能是显卡驱动的问题，就去更新了驱动，设备管理器看到核显和独显都是正常工作

最大的问题来了，我又试着去禁用其中一个显卡，点禁用独显，没事发生，又启用，再点禁用核显，外接屏幕直接就不亮了...

4 replies 2023-06-21 16:13:40 +08:00

1

noe132

Jun 21, 2023 via Android

外接屏幕通常走核显

2

iamqk

Jun 21, 2023

显示屏幕坏了？用强光找找屏幕看是否有图案之类的

你两个都禁用了
现在只能做个 wintogo 的 u 盘启动系统了
或者重装系统
再继续研究

3

alphaLuka

OP

Jun 21, 2023 via iPhone

@iamqk 独显还是启用状态，屏幕能看见几个角背光亮着

4

iamqk

Jun 21, 2023

@alphaLuka 非独显直连的，输出都是要走核显的

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