AVer P5000 series - Manual (Page 174)

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Appendix USB Recovery
Save the firmware on USB pen drive and through the USB port on NVR/DVR unit to recovery
the firmware of NVR/DVR system. All the configuration will be erased after recovery process.
1. Download the firmware from website http://surveillance.aver.com/ >> Support >>
download Center.
2. After download the firmware file, un-zip the file and save on USB pen drive.
[Note] Copy the entire firmware file folder into USB pen drive.
3. Power off the NVR/DVR system.
4. Plug the USB pen drive that contains recovery firmware into USB port that is located in
front of NVR/DVR unit (upper one).
5. Then, power on NVR/DVR unit. While the NVR/DVR is reading file, the screen is black.
Please wait for a System Recovery Procedure window to show up.
6. When System Recovery Procedure window show up, click Yes to continue it. If user wants
to cancel the firmware upgrade procedure, click No.