Annoying message displayed during Boot up.

Hi.

I have a Dell Latitude E5530 running windows 8.

Today I replace my Hard Drive with a Samsung 256GB SSD EVO 850.

After installation, I booted up and receive message “No Bootable Device”.

I went in the Bios and clicked "Load Defaults" on Boot sequence.

“No Bootable Device” msg has disappeared.

Now I get an alert message every time i boot up:

“Press ctrl-s to configure device mac address”.

I can still run my computer, but this message keeps appearing on boot-up.

On the net, I...

Annoying message displayed during Boot up.