Toshiba laptop keyboard and the external USB keyboard not working. Thanks

Mar 30, 2018
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Keyboard on laptop and the USB keyboard not working. Replaced battery in USB board and mouse. Cleaned crumbs. Took out laptop battery for 24 hour. Rebooted 3 times it worked. Safe turnoff every time I close and next am keyboard not working. Rebooted 4 times it worked. Turn off at night and it's not working in am again. Plus Launched Chrome and scroll bar goes to bottom and won't scroll up. What's the fix please. Win 7. Toshiba.