Did you make toast?

During normal use of your desktop computer, you detect a burned odor coming from your system. What is the next step you should follow during the troubleshooting process?

A) Reboot the computer with a diagnostics disk

B) Restart the operating system in Safe Mode

C) Disconnect the computer from the power source

D) Check Device Manager to see if any components have failed

E) Grab some marshmallows