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Galaxy Note 9 Dead Spot when using the S-Pen


How do I run diagnostic on a pen. My s pen works certain icons,  can't use it to scroll a page or type in keyboard. Have to use a different pen or finger

DannyT Moderator
Hi there, @Deangunter.

You can run the diagnostics on your S-Pen by dialing *#0*# from your phone. This will open up a tiled menu. On this Menu tap S-Pen.

You can also check the sensors/touch screen in this same menu.

Hope this helps!


 Welcome to the Community! :smileyhappy:


Thank you. 

I found the problem, another user had posted he had a magnetic case (like rokform) part of screen where magnet is located was the dead spot. I replaced the magnet with a golf ball marker from golf divot tool (exact same size) and now screen works fine and phone still sticks to rockform magnet on dash. 

New Member

Exactly the same problem , and indeed it caused by cover magnets 


If your using the rockform case with magnet inside. I popped out the magnet and used a golf ball marker, (they're the same size) & they're steel and phone still sticks to rockform magnet. Phone works normal now. 


I don't use the s pen much but tried it out with my samsung clear view which has magnets. Luckly I found no dead spots.

thanks! it was okay after removing it!
First Poster

I have same problem on my Note9 and do not have any magnetic case.  There is a distinct void of ~2 cm laterally across entire screen, just below the middle of the screen.  The S Pen works above and below it but seems to be disabled going across this area.  


I've run the S Pen diagnostics and it fails on those squares in that same 'band'.  If I draw long and vertically I will see the line up to that band and then even moments past the band.  If I circle atop the band its like the 'ink' comes back on an old roller pen, so I can draw back across the void just after the band it will indeed draw in that space again.


I have gone so far as to scribble the entire screen to confirm there are no other dead spots.  Just that band.  Furthermore, on the right of center of the band, when I draw laterally, the line bumps upwards from the point of the S Pen, like it was going around an object.


Thoughts from Samsung?

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