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Forum Discussion
SgtHartman
Jun 10, 2025Aspirant
Random disconnects: C7000v2 (Nighthawk AC1900)
Throughout the day, I experience random disconnects from the internet for roughly 30 seconds to 1 minute at a time. This will happen seemingly randomly, whether my computer is using the connection th...
FURRYe38
Jun 10, 2025Guru - Experienced User
Any Criticals, Errors or Warnings seen in the event logs needs to be reviewed and resolved by the ISP. Indicates a signal issue on the ISP line up to the modem.
Correctables and un-correctables that should be mostly zeros.
Have the ISP check the signal and line quality UP to the modem. Be sure the ISP provisions the modem correctly.
Be sure there are no coax cable line splitters in the between the modem and ISP service box.
Be sure your using good quality RG6 coax cable up to the modem.
Start with removing any amplifiers, signal attenuators, or splitters from the coax.
From there check the line for kinks, damage, moisture in the line.
Check the connectors for improperly made ends, foil touching the copper coax line, loose connections, bad/old/cheap connectors, or corroded connections. Replace them if you do.
Be sure to power OFF the modem for 1 minute then back ON.
https://community.netgear.com/t5/Cable-Modems-Routers/General-info-and-Troubleshooting-for-Cable-Modems/m-p/1530376#M12853
https://kb.netgear.com/24311/Power-level-guidelines-for-a-NETGEAR-cable-modem-router
https://www.duckware.com/tech/solving-intermittent-cable-modem-issues.html
https://highspeed.tips/docsis-events/
SgtHartman
Jun 10, 2025Aspirant
Thank you for all of the helpful information! I actually contacted my ISP again, and they're sending a technician today (surprisingly). I'm going to relay all of the information that you and Kitsap gave me to them, so thanks!
- FURRYe38Jun 10, 2025Guru - Experienced User
Let us know how it turns out.