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Firmware upgrade issue
I have a NVR DS-7608NI-I2 which had Ver. 3.4.93 build 170325. I attempted to update to NVR_K51_BL_ML_STD_V4.40.015_200616. Now after the NVR reboot, the login screen on the monitor attached to the NVR will not allow me to input a User ID. It displays a dropdown set of symbols only (square...