Cable light off

The cable light periodically goes dark resulting in no internet connection.  I have to power down and up the modem to get back the signal.

Your cable signal is low.If you have any splitters remove them.there is only one single cable that should go to the modem out to the box on the house then inside the box the cable for the modem should be on a 2 way splitter, the input is from the cable service, one output goes directly to the modem and the other output usaully goes to another splitter that runs the rest of the TVs in the house.basically the modem needs "priority" or first dibs on the bandwidth coming to the house.

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