Dr. Livingstone, I Presume WELDWISE 2400 - Manual (Page 175)

0454-APP-118 Rev. A 12-5
8. If you are using a mouse, close all open windows and then press the key combination Ctrl-Alt-Del.
This will bring up the Windows NT Security window.
9. Without a mouse, press Alt-S to select the Shutdown option, or simply click on the Shutdown
button.
10. The Shutdown Computer window will appear. Press Alt-S again to shut down the monitor, or
select the Shutdown option and click OK.
11. Reboot the weld monitor.
END
'0xxx' will be the serial number
of your 2400 or POD Server