Bought this system from Costco about 6-7 years ago https://www.amazon.com/QT548-8-5-CAMERA-SECURITY-QM6006B-CAMERAS/dp/B009AJ8ZJU Worked fine until recently, unfortunately I had not looked at it for about a year and a half, I was out of country.
Now, when I turn it on, I see "Video Loss" on all...