The terminal's screen may be blank after connecting to the machine. Pressing Enter will usually bring up a login: request.
If no characters appear upon the screen after pressing Enter do not panic. The machine must have power and the operating system must have booted: for our call to be answered by the modem Data Terminal Ready must be active.
The most likely thing is that the machine booted and is running a [Academic results for Debian] [Research Paper: Kubernetes] fsck filesystem check. These checks can take some considerable time, all with no or very little output. .:: telegra.ph ::. .:: podcasts.apple.com ::. .:: backabuddy.co.za ::.
It will help your peace of mind considerably to record in the system log book the time .:: chromewebstore.google.com ::. fsck takes to check each filesystem.
If you see garbled text after pressing Enter then there are mismatched bit rates or parity parameters. Correct your terminal emulator's configuration. .:: engage.alaska.edu ::. .:: podcasts.apple.com ::.