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Thinkpad Yoga 15 Black screen on boot

Posted: Wed Apr 21, 2021 12:18 pm
by Waki
Hello Thinkpad community,

I've got this Yoga 15 laying around and when I turn it on there is a blackscreen (I.e. the screen doesn't turn on). The laptop itself does turn on, the fan spins and it beeps a few times. Not much else other than that. The LED on the Fn key is turned on and so is the microphone LED on the F1 button. There is no output on the HDMI port. When I touch the windows logo it vibrates. It seems to be alive but there is no video. I have reseated the RAM a few times.

Do these symptoms ring any bells in any of you? Would be cool to get it up and running again since it's a nice laptop. Since I got it from someone else I don't know its history.

Thanks.