First run "Remote Desktop Connection"
From a PC
Select, "Start - All Programs - Accessories - Communications - Remote Desktop Connection".
From a Mac
Download and install Remote Desktop for Mac
(Depending on your version of "Remote Desktop Connection" you may see different formats for the following screens)
Then enter the computer name (bmeplasma.bme.columbia.edu), and click "Connect"
You will then get a login screen.
Enter your account name as "bme-dom\your_uni" without the quotes, and your password to log in.
Then press Crtl+Alt+End (not Crtl+Alt+Del).
Select “Change Password”
When done, please log off.