Question Need a solution to disable built in memory of my yoga 730 15ikb

Jul 5, 2020
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Need a solution to disable built in memory of my yoga 730 15ikb motherboard
My yoga 730 started having screen flickering issues which increased with time & one day the screen turned off. I gave it for repair & the guy said that it's not the lcd cable issue but the built in memories need to be replaced as they are the ones doing flickering. The repair guy imported & replaced on board 8gb memory but the screen didn't turn on. Now he's saying that he needs to disable on board builtin memory of yoga & re-route it's connection elsewhere but he doesn't know how to do this as he never worked on a 8th Gen board & no one of his colleagues did it too. So now he needs a mapping to re-route the connections. Can someone help me please? Thanks.
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And yes he have schematics but he says that the schematics doesn't contain remapping alter solution. Kindly help thanks.