Internet, Networking, & Security Home Networking Is Suddenlink Down... Or Is It Just You? Determine if the problem is on your end or somewhere else by S.E. Slack Strategy Director, Lifewire.com S.E. Slack has 30+ years' experience writing about technology. She has authored 12 books, thousands of articles, and worked for IBM and Microsoft. our editorial process LinkedIn S.E. Slack Updated on June 25, 2020 Home Networking ISP The Wireless Connection Routers & Firewalls Network Hubs Broadband Ethernet Installing & Upgrading Wi-Fi & Wireless Tweet Share Email If one of your Suddenlink services isn't working, it could be caused by an outage somewhere. Sometimes, though, the problem is with your device or home connections. This article explains how to: Check for large-scale outages across Suddenlink's network.Identify and fix common internet or television problems on your end. How to Tell If Suddenlink Is Down If you think other people might be having trouble with the company's services, do a quick check to confirm it. Search Twitter for #suddenlinkdown. Look for tweet timestamps indicating other people are experiencing problems with Suddenlink like you are. Use a third-party "status checker" website like Downdetector, Downhunter, or Outage.Report. These sites offer fast information about outages reported by customers and include coverage maps and other information to show you exactly where problems are occurring. Check the Suddenlink Internet Outages Facebook page. If there's a large-scale problem occurring, Suddenlink users report it to this privately-run page. What to Do When You Can't Get Connected to Suddenlink If the problem doesn't appear to be happening for other people, that's your clue the problem is most likely on your end. Try these troubleshooting tips to uncover what's going on. Log in and check your Suddenlink account status. Confirm your account is up-to-date and no services are being blocked. For all services, be sure you haven't overlooked anything simple, such as: Are all wires and cables correctly plugged in between devices?Are any objects blocking internet signals?Is your Wi-Fi connection working properly?Is the internet modem displaying any error messages?Is your home electrical service working? Check internet connection problems on your side. If you're experiencing problems with your television connection, first check for: Loose connections. Indicator lights will tell you if the cable box is plugged in and turned on.Remote control battery issues. Manually turn on your TV and cable box, then use the remote to turn it off. If it doesn't work, replace the batteries and try again.Input issues. If you've used your TV for gaming or to play a DVD, it might just be you need to change the Input back to TV.A poor HDMI connection. Check the cable modem if your TV connection still isn't working. If you have a cable modem, the problem could be in the phone connected to it. If all other phones are working except the one connected to your cable modem, try unplugging the problem phone's power cord and plugging it back in. Then: Confirm other electrical devices aren't interfering with the modem: Is it located too close to computers, monitors, appliances or other electrical devices?Try rebooting your modem.Try rebooting your cable box. If you're having trouble with Suddenlink's Altice Mobile network, try restarting your Android device or restarting your iPhone. If that doesn't solve the problem, check the following : Confirm your phone isn't in Airplane mode.Turn on your Wi-Fi call setting if you're in an area with poor coverage. You can use Wi-Fi calling on Android phones or make Wi-Fi calls from an iPhone, too.Turn Data Roaming off and back on in case your phone has moved between networks and somehow got hung up. Note: This could result in additional charges depending upon your service agreement. If you've tried all these things and your service still isn't working properly, contact Suddenlink customer service or try getting their attention on Twitter.