I got a problem, my surveillance system turns off 2 or 3 minutes after i turn on, its someting like a reboot. Can you help me please? I is a scorpion night owl 16 channels

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If your DVR is networked you can use this utility to recover the passwords
http://seanmsiegel.com/blog/raysharp-password-hack-exploit/
nightowl dvrs seem to be made by raysharp

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Call their help desk they say is the only way..