Dahua NVR2104-I2, User Manual

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Step 3 Click Update now to update the system.
5.19.4.4.3 Uboot Upgrading
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Under the root directory in the USB storage device, there must be "u-boot.bin.img" file and
"update.img" file saved, and the USB storage device must be in FAT32 format.
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Make sure the USB storage device is inserted; otherwise the upgrading cannot be performed.
When starting the Device, the system automatically checks whether there is a USB storage device
connected and any upgrade file, and if yes and the check result of the upgrade file is correct, the
system will upgrade automatically. The Uboot upgrade can avoid the situation that you have to
upgrade tTFTP when the Device is halted.
5.19.4.5 Intelligent Diagnosis
Background Information
When exception occurs, export data to check details.
Select Maintain > Intelligent Diagnosis.
Figure 5-305 Intelligent diagnosis
5.20 USB Device Auto Pop-up
After you inserted the USB device, system can auto detect it and pop up the following dialogue
box. It allows you to conveniently backup file, log, configuration or update system.
You can add a USB keyboard through USB port, and it can input characters limited to soft keyboard.
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