A user has finished setting up a new computer. Now the operating system requires activation, but the user discovers the computer has no Internet connection. Which of the following should the user do…

Contacting technical support is a later troubleshooting step, only after basic self-troubleshooting, such as checking physical connections, has been performed.

While rebooting can sometimes resolve minor network issues, checking the physical cable connection is a more direct first step when the symptom is 'no Internet connection' at all.

The most immediate and fundamental step when a computer has no Internet connection is to verify physical layer components, such as ensuring the Ethernet cable is properly connected to both the computer and the network device (router/modem). Without an active network connection, online activation is impossible.

Reviewing the manufacturer's website requires an Internet connection, which the user does not currently have, making this action impossible.