My Sony VAIO Computer keeps on typing a letter "A" . I can't log in to my computer because this interuption.

Solution
First see if your A button is stuck or not (ofcourse you have done it already)
Open the a button's cover and check if there is any problem
Also try booting into another windows or something and see if the problem is still there

estehmami

Prominent
Nov 19, 2017
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First see if your A button is stuck or not (ofcourse you have done it already)
Open the a button's cover and check if there is any problem
Also try booting into another windows or something and see if the problem is still there
 
Solution