Keep drinks away to prevent circuit board shorts.
: For laptop keyboards that remain unresponsive, updating the Embedded Controller (EC) firmware from the HP Support Portal is recommended to stabilize communication. HP Support Community Common Troubleshooting Scenarios Repeated Update Loops
Rated with a CVSS v2 score of , this vulnerability required an attacker to have physical or remote administrative access to the machine. However, the severity was compounded by the ease of exploitation—no user interaction was required to execute the privilege escalation.
Therefore, means that HP and Microsoft have updated your keyboard driver to improve its stability, security, or functionality. Why Did I Get This Patch? (Common Causes)