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Origineel bericht door: eBrooker

Titel:

Part of display/backlight won't dim - remains bright

Tekst:

Hi, I have exactly the same issue shown here:

https://www.youtube.com/watch?v=JY_OdRQsQ6k

Would this be related to the Texas Instruments LP8860AQ1 LED Driver as shown in the ifixit page here: [guide|148905] Or Is it likely to be something else?

This is a replacement motherboard from a second hand unit. The thunderbolt port on mine died hence why I replaced the motherboard. Something I have noticed with this new MB is that when you power it on the right hand side of the screen (exactly the area as shown in the video) flashes white - yet my original MB did not do that, hence I am convinced it is the motherboard (the same thing happens with the MB in the original unit (but the screen on that is cracked)).

The only other thing I can think of is it could be the connector for the backlight?

Toestel:

LG UltraFine 5K

Status:

open