single key

The single key tag on WindowsForum.com covers issues where a keyboard repeatedly inputs one character without the key being physically stuck. Users report this problem occurring after upgrading to Windows 8.1 or Windows 10, with the issue persisting across different keys and during typing. Troubleshooting discussions focus on software-related causes rather than hardware defects, as the problem appears tied to the operating system. Common themes include the behavior happening at login or mid-session, and the need for driver or system updates to resolve the repeating key input.