keyboard not working but pointer does

T136

Reputable
Oct 1, 2014
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so basicly my dell latitude e5530 keyboard stopped working. i was thinking maybe its a cable error so i bought a new cable and installed it same problems. as soon i connect the keyboard while laptop is on. the backlit works and the pointer also works but keyboard doesent. after reboot backlit not working so does keyboard. but pointer still works. what do you think guys?
is this a keyboard issue or motherboard?

edit: if i plug usb keyboard they do work.
 
Solution
this is a motherboard problem seeing as though the usb keyboard functions normally .. i suggest you just keep using the usb keyuboard