Rep: 11
1
My laptop only turn on when l remove the LCD connector from motherboard and it display to the second monitor nicely. What can be the problem?
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Rep: 28,5 Tsd.
9
13
64
If you are positive that the connector is connect correctly then you have a defective laptop screen which is shorting out the entire sytem so scrren must be replaced as so:
https://www.youtube.com/watch?v=MbkFwlrH...
or
https://support.lenovo.com/nz/en/solutio...
Make sure that the connector is attached firmly to the system board when installing.
The other possiblity is the BIOS needs to be reset but disconnecting the CMOS battery:
https://support.lenovo.com/us/en/videos/...
This is unlikely though as it works fine with the internal screen disconnected and connected to external monitor. But hey worth a try.
The hardware maintenance manual might help:
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7 Kommentare
Elton are you saying that when you plug in the cable from the second monitor, your laptop screen stops working?
von Malcolm Wickham
No l am saying, when l plug the laptop LCD screen on the motherboard ( that's the built in screen) the laptop won't turn on, no power lights nothing.It will do like a dead laptop,but when l remove the LCD cable(rebbon) on the motherboard,the laptop turn on and l use my HDMI cable to display to the external Monitor.
von Elton Makombe
@ellomax
Hi Elton,
You haven't commented on the answer yet?
Mike
von mike
Thank you Mike l will try to buy a new LCD screen becourse l insert the LCD connector for many times but nothing is working.
von Elton Makombe
@ellomax
Looks a fairly straight forward job so I expect you will have success. Let us all know how it goes.
It is always nice when there is a service manual easily available as a pdf on the web. Good points to Lenovo.
von mike
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