What should I do if the user file of prepaid electricity meter system is gone? I reinstalled the prepaid electricity meter system, and there were no user files of more than 200 households before.

In this case, you can consider taking the following steps:

1. Confirm whether the original database is overwritten. If so, the previous user profile may not be recoverable.

2. Try to use data recovery software. If files or data on a computer or other digital devices are lost, you can try to use special data recovery software to recover them. But this requires a certain understanding of the corresponding technology or seeking professional technical support.

3. Please contact the system installer or the blood glucose meter manufacturer. If it is a problem with the prepaid electricity meter system, you can contact the system installer or the electricity meter manufacturer for help. They may need to access your system to find problems or provide other support.

4. consult a professional. If the above methods can't solve the problem, it is recommended to find specialized technical support or consult professionals for more professional advice and help.

Please note that the above are just some basic suggestions. Please deal with them according to the specific situation and the actual situation of the electricity meter system in operation.