If a password is lost, recovery can be difficult due to the "Anti-Upload" security features common in these Chinese-made units. Hardware Reset/Reburn : You can re-flash the HMI using a USB drive formatted to
Third, a backup strategy is essential. The "Source Code" or uncompiled version of the MCGS project should be stored securely, separate from the runtime HMI. This ensures that if a password is lost, the project can be recompiled or modified without resorting to password-cracking utilities which may corrupt the file. mcgs hmi password