Quit all running applications using Command-Q (check the dock for dots underneath application icons to see if any apps are running in the background and quit them as well)

Reboot the laptop by going to the Apple menu in the upper-left corner of your screen and choosing Restart

Press Command-Shift-5, choose Record Entire Screen, click on Options, and choose Show Mouse Clicks (and the microphone if you want to give verbal comments while recording)

Press Record or click anywhere on the screen to start recording and demonstrate the problem

Stop recording by pressing the Stop button in the global menu at the top of the screen

Send the recording along with any written explanation to me (and optionally the Helpdesk) via email