Hardware "B" button not working. Help!

MetoMeto

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Hello!

So i decided to clean battery contcts on GBA SP-101, so i sprayed a bit of non conductive wd-40 electronic cleaned ot them and left them for about 5 min. the battery was out ofc.
But when i put things back the B button wasnt working. I dont believe its because of the spray, its non conductive but it happened after that.

What can i do to repair it please?

Thanks!
 

FAST6191

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Contact cleaner probably found its way to under a pad (impressive as it would be on the opposite side but within reason, especially if there is a support/screw hole nearby.

Anyway solution is likely going to be take it apart, clean the button contacts and try again. You could try pressing the button a few hundred times, and a kind of hard press or three in among those as well, but that is less likely to be effective than a clean. Bonus is you already have contact cleaner by the sounds of things.
 
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MetoMeto

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Contact cleaner probably found its way to under a pad (impressive as it would be on the opposite side but within reason, especially if there is a support/screw hole nearby.

Anyway solution is likely going to be take it apart, clean the button contacts and try again. You could try pressing the button a few hundred times, and a kind of hard press or three in among those as well, but that is less likely to be effective than a clean. Bonus is you already have contact cleaner by the sounds of things.
Yeah yeah i do, i have this WD-40 one i bought for my switch drift lol but it comes in handy!

Ok, i opened GBA, removed a metal membrane from pcb that waht held in place by a duct tape kinda? anyway it was easy to remove..i cleaned and it works now! :)
I thought it was something more serious :D

Idk how dirt went in there lol

Thanks a lot!
 
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