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What's DOS?
Posts: 2
Registered: ‎02-24-2016
Location: usa
Views: 527
Message 1 of 3

lenovo L440



My Lenovo L440 Screen  is dark. when i connect it to externel monitor i get disply. I tried to replace with another LED. But still it doesnt work. Is there any problem in the mother board ? pelase help

Retired Support Specialist
Posts: 70
Registered: ‎02-04-2016
Location: Bangalore
Views: 513
Message 2 of 3

Re: lenovo L440

Hi Ms,


Welcome to Lenovo Community!


We understand that your display is not working in your L440 laptop.


Issue might be with the LCD cable. Since the external display is working fine there is no issue with the motherboard.


Note: As per the Lenovo policy, the warranty will be void if the laptop is dismantled by yourself.


We would like you to visit the nearest authorised Lenovo service centre to purchase the power supply.


Service Center link -


Hope this helps. Do post back if issue persists!


Best Regards,




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What's DOS?
Posts: 2
Registered: ‎02-24-2016
Location: usa
Views: 497
Message 3 of 3

Re: lenovo L440

Hi Poojitha 


I do not understand one thing. Why you suggested to purchase power supply ? Is there might be problem with the power supply as well ? or just the cable ? I do not have any lenovo service center in my town. I live in wichita , Kansas. 

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