AVer IWH3216 Touch3216 Touch II user manual - Manual (Page 175)

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7. And then, un-plug the USB pen drive from the PC and plug into the DVR unit.
8. Restart DVR unit (power off and power on) and press F11 button on keyboard.
9. Select the boot device as USB and press Enter button.
10. The DVR system will start the recovery action.
i
The prepare screen may be varied that it depends the Windows system that user has used to make
recovery file.