Motorola Avigilon NVR4 Series User Manual page 10

Minimum size of the USB recovery device
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Creating an external USB recovery device
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Recovering the operating system from an external USB recovery device
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The general steps are:
1. Load the Avigilon Recovery Image onto a USB recovery device.
2. Plug the USB recovery device into the workstation.
3. Repeatedly press the F12 key while booting the workstation.
4. On the UEFI Boot menu, select the USB recovery device.
Operating System Recovery By External USB 7