Keyboards are different in laptops when compared to desktop PCs, because of various reasons primary one being space constraints in terms of dimensions (both length, breadth and height). For laptops...
It could be that either you accidentally spilled a drink on food, or it's just incompatible.
you have used them to much or presed on them to hard or they are just to old
The method is different for each model of laptop.
Most modern laptops use USB (Universal Serial Bus) connectors for external keyboards.
Apple and AT
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