CompTIA A+ 220-1101 Practice Question
A user reports that their laptop's keyboard is typing incorrect characters. Before disassembling the laptop to inspect or replace the keyboard, which of the following initial steps should the technician perform to troubleshoot the issue?
Check the keyboard layout settings in the operating system.
Press the Num Lock key to see if it resolves the issue.
Update the BIOS firmware to the latest version.
Disassemble the laptop and check the keyboard's ribbon cable connection.