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Yoga 720 15IKB 4k screen horizontal black bar hardware issue

2018-11-02, 19:36 PM

I have a Yoga 720 15ikb laptop that has a horizontal black bar appearing on the top of the screen. I called Lenovo tech support and they said that it is a hardware issue and that the screen needs to be replaced.


My laptop warranty ended in August 2018. 


I just want help purchasing a new LCD screen that is guranteed to not share this well known defect. I am hoping that lenovo can respond with helping me buy this at cost. 


I do not see why they should make money by selling me an aftermarket part (with that hefty aftermarket mark-up) since this is their fault.


Can someone from Lenovo please message me with options? I would be willing to do the replacement myself. 


Alternatively, has anyone had luck fixing this gasket? I noticed that if I close the lid, flip it upside down, the bar vanishes (falls back into place). Then it starts to appear within a few minutes of use with the screen right side up. Maybe there is a way to remove or fix this moving gasket?


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Re: Yoga 720 15IKB 4k screen horizontal black bar hardware issue

2018-11-03, 2:12 AM

Hi ag2018720!


Welcome to the Community,


The issue could be related to the cable, as the black bar disappear when moving the laptop screen. You can check the attached photo for guide on how to check the LCD Cable. If the same happen even when the cable is attached firmly, there are 2 parts that we need to look at, the LCD Cable and the LCD Panel. You can bring the laptop to the nearest service center here https://lenovo.secure.force.com/bplocator/ to be physically inspected, for us to know which part is needed.


You may take note of the part no. below for reference,


5D10N24288 / LCD Module C 80X7 UHD
5C10N67882 / EDP Cable C 80X7 UHD


Once we know what part needed to be replaced. Using the part number above, you can purchase it here https://lenovo.encompass.com/ You can also contact the team using the phone no. in the link.


Once you have the part needed, you can check the manual below for parts replacement guide,


https://download.lenovo.com/consumer/mobiles_pub/yoga720-13ikb_yoga720-15ikb_hmm_201702.pdf (See page 57 for LCD Unit, 61 for LCD Panel, and 68 for EDP cable and camera board).



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