SAMSUNG Galaxy Tab A not showing any image after fixing the screen | how to solve...?

This video is about repairing a SAMSUNG Galaxy tab A Model SM-T515, this tab the screen had detached by itself and when the FPC (flat cable)was reconnected and the screen was glued back, there was no display i.e... there was no image displayed on the screen.
Link for video on how to fix screen : • Samsung Galaxy Tab A |...
Link for buying the screen: amzn.to/3L6efAt
Link for black glue : amzn.to/4eNBb4S
Link for clear glue : amzn.to/3RR6iTr
Take care and do the reparation on your own risk.
Thank you for watching the video, have a GOODTIME....

[@alexandrakouamo8301]

Were is the power key ??