ll of my function keys are performing other functions than what it is supposed to do

[Guest Skee Sad]

my keys are working but it has other funcions that i dont know how to disable for example if i press my C keys it makes it the text cursor return to the beggining of the text.and when i play a song in spotify or youtube if i press the D key it makes it play the next video or song how do i fix this

 

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