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bd712
Paper Tape
Posts: 7
Registered: ‎02-23-2015
Location: USA
Views: 469
Message 1 of 3

RMA'd y40-70 - Now, massive flickering on battery is occurring

A family member recently sent in their laptop for RMA to Lenovo because the charger stopped working. It was diagnosed with a faulty part on the board and was replaced.

 

Not only did it take a month for this issue to be fixed, but now the Laptop is having insane flickering issues that are plaguing many other y40, y50 and y70 users. The problem started right away when the laptop was received, but wasn't too bad and it was such a hassle that it wasn't sent back.

 

Some time later, the laptop is almost impossible to use when on the battery. There is no flickering that occurs when it is charging and connected to the charger. We have tried updating drivers, installing and uninstalling Lenovo Energy Manager, BIOS update (though not the new 3.03 y50/y70 version).

 

What is the solution here? Why is it taking so long to get a fix for this issue that so many people have? Why does this BIOS update not work on the older y40-70 model or the newer y40-80? Is the y40 model just not going to be fixed?

mraines
What's DOS?
Posts: 1
Registered: ‎10-10-2015
Location: United States
Views: 376
Message 2 of 3

Re: RMA'd y40-70 - Now, massive flickering on battery is occurring

we have same issue with the y40-70, I just finished restoring to factory rest and updating the bios to most updated one , and problem still show as flickring screen on battery , when pluging power cord flicker stops

bd712
Paper Tape
Posts: 7
Registered: ‎02-23-2015
Location: USA
Views: 129
Message 3 of 3

Re: RMA'd y40-70 - Now, massive flickering on battery is occurring

Yep, even after getting it back from Lenovo it is STILL doing this, how is that even possible?

I'm not sure whether it is something with the main board or with the screen itself but it's unbelievable that these computers are having this many problems.

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