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T430 dead display, not a fuse

T430 and later, plus T530 and later series specific matters only
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Joined: Mon Apr 15, 2019 6:29 pm
Location: Lublin, Poland

T430 dead display, not a fuse

#1 Post by zundapp » Mon Apr 15, 2019 6:52 pm

First post on this awesome forum, so hello everyone :D Screen of my T430 went black. I've checked LCD/backlight fuses - all ok, but theres no voltage at VCC3P/F3 and no voltage at Q22 mosfet gate. First thought - might be faulty mobo, but after checking another board problem remains. So what else could be causing it? Lid sensor? Screen itself? Any guidance will be appreciated.

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