Remove the key, make sure there is nothing stuck in the connections. Or simply replace the keyboard, that is 90% likely to fix the issue. 3rd party keyboards work well and are maybe $15-20 on ebay.
Remove the key, make sure there is nothing stuck in the connections. Or simply replace the keyboard, that is 90% likely to fix the issue. 3rd party keyboards work well and are maybe $15-20 on ebay.