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  • Posts: 5
  • Registered: ‎05-30-2017
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Lenovo Z50-70 not turning on

2017-05-30, 10:08 AM

My Lenovo z50-70 suddenly stopped working and I get weird result when trying to fix it:


- When I plug in the adapter the battery light flashes 4 times in orange


- When I remove the battery but keep the adapter plugged in and press the power button or recovery button, the power light turns on for half a second before turning off again.


- when the battery is plugged in and the adpter is plugged in, no lights are on so I don't think it's charging. When I press the power or recovery button, the battery light flashes orange 4 times.


I hve already tried to hold the power button for 1 minute when the battery and adapter were removed. I removed and reconnected the RAM to no avail.


What is wrong and how can I fix this?


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Re: Lenovo Z50-70 not turning on

2017-05-30, 13:35 PM

Hi Artusvranken,


Welcome to the Community Forums.


You may follow the power checkout guidelines page 21-22 of the hardware manual.

Here you may isolate the ac adapter and battery.


The way you have described the symptoms, seems that you need to either replace the systemboard or verify its integrity with your local service center. Board level troubleshooting is need to isolate the point of failure and would need advance tools/ tester.


Hope this help answer your query.

Update us how things go.



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