Hi recently took apart my laptop to reroute my wi-fi cable. before i took it apart my mouse and keyboard worked perfectly, but when i put i back together the keyboard only worked in BIOS and when the cpu started on the welcome screen the keyboard and track pad don't work the courser wont even show -up unless i put in a usb mouse then the courser shows up. though if i unplug the mouse the courser disappears again can any one help thanks 
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