For those still looking for a solution It

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Under this board is the ribbon cable which on mine and im assuming all others with this issue what I found when I removed it was the cable was not seated properly and when inserted correctly it has a noticeable lift to one side

Over exaggerated image but it was noticeable to the human eye the weird thing was when I tried to reseat it fulling inside the connector the same lean was present and g and h and space didn't work and it would sometimes randomly press dim the screen when pressing those keys so I backed it up slightly before the max insert so it would be equal on all sides and G H and space all work.

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Took until the third time I opened in bc fully inserted had that lean still must be a manufacturing defect inside the connector not allowing it fully insert on that side

theirs not real easy way to open it but if u have it sitting around without warranty u might as well try it else u still have a paper weight at the end of the day, mine had slight deformation damage to the plastic but nothing major some hotglue to keep it closed afterwards :)

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PS: underfeet large square feet there are screws they will stick just fine back afterward if u keep them clean.

hope this helps :)