Select , click Start , and wait for the device to reboot. Option B: Web Interface Method
If the DVR is stuck on boot logo or in a boot loop: dvr-5608l-n firmware update
Check the for:
This is the safest method as it minimizes the risk of physical disconnection during the process. Select , click Start , and wait for the device to reboot
Plug the thumb drive containing the firmware into a USB port on the DVR. Access Menu: Main Menu > System > Maintain > Upgrade Select the file from the USB drive and click Upgrade (or Firmware Update ).
Navigate to Settings > System > Upgrade (or Firmware Update ).