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请教联想H61+I52400 开机黑屏怎么维修?

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Post time: 2019-11-4 15:59:37
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请教联想H61+I52400 开机黑屏,风扇转,键盘灯不亮,不报警,刷过BIOS,电池也换了新的但还是一样,有时候连续几天都可以开机,但使用中忽然黑屏。电源、内存、都代换过。请教大师们怎么维修,或者这机子是不是有通病,谢谢
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Post time: 2019-11-4 17:39:17
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你已经说的很详细了!
就是:”有时候连续几天都可以开机,但使用中忽然黑屏。电源、内存、都代换过“!

是出故障后,还能出现这种问题?
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Post time: 2019-11-4 21:13:43
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有个双三极管的6角芯片
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 Author| Post time: 2019-11-4 21:27:22
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我按网上说的把Q3一个6脚IC拆了就开机了,缺少3.3V电压
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