Which key is NOT appropriate to enter the BIOS Setup?

The function key typically used to enter the BIOS Setup during the boot process varies by manufacturer, but the most common ones are F2 and Delete. When a user turns on a computer, pressing the correct key during the initial boot phase allows access to the BIOS setup utility, where users can configure hardware settings and system configurations.

F5 is generally not associated with entering the BIOS Setup. Instead, it often serves as a refresh key in many software applications and web browsers. In contrast, F2, Delete, and in some cases, various other function keys such as F12 or Esc, are utilized for accessing BIOS settings depending on the computer's firmware.

Understanding the specific functionalities tied to these keys helps in navigating the computer's initial setup and can also aid in troubleshooting when issues arise related to hardware settings. Familiarity with your particular system's startup key is essential for effective computer management.