Why would my cable internet cut out but cable tv still works?
The Internet connection depends on more than a physical link to the cable company's HQ. Their network systems, mostly routers and authentication devices, need to be working. If the router one level up from you (or higher) fails, Internet connectivity will be down. Meanwhile the perfectly good physical cable can still carry TV signals, which don't use IP (at least on many systems).
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Linkesh Kanna Velu
Updated on September 17, 2022Comments
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Linkesh Kanna Velu almost 2 years
A friend of mine asked me this and I wasn't able to come up with a good answer. Basically, you could be watching Comcast television in one room but the internet router is in another room. TV is fine but then the internet cuts out.
With his case, internet and TV come from the same source but a splitter splits internet on one coaxial cable and TV on another.
Any ideas?
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martineau over 13 yearsThey're independent services/signals sharing the same cable -- at least up to your splitter.
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Jay_Booney over 13 yearsIt sounds like a case for the "turn it off and turn it on again" remedy. Sometimes the modem (the device that dials out and receives data from the internet) simply needs resetting for whatever reason. Turning the modem and/or router off for 30 seconds normally solves a connection problem. Remember to switch it back on again.
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