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Command Syntax:
fsutil file createnew "filename"."extention"."filesize"
For files in gigabytes:
fsutil file createnew dummy_1gb.mp4 x*1073741824
For files in megabytes:
fsutil file createnew dummy_1mb.mp4 x*1048576
For files in kilobytes:
fsutil file createnew dummy_1kb.mp4 x*1024

[@Ghost-1786]

Hello so in my Samsung tablet, "System Ui is not responding" popped up, and i accidently pressed Close app, after that everything went black, now its only black screen, if i long press power button, "Restart and Turn off option shows, i've also tried them but nothinh worked, is there any way to fix this or is it conpletly wasted?
I've come here from your " Fix system Ui is not responding" video.
Please reply

[@brainerstech]

Brother,
pls try all the steps in that video from where you came here, and nothing works then factory reset should work...
after factory data reset test it for some time without installing any new app and slowly install one by one and see which app creates this error.