ModemGuides BlogGuides for people who would rather own their hardware than rent it.
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Modem and router guides, Wi-Fi fixes, setup walkthroughs, and the buy-versus-rent math for every major ISP.
236 articles
DOCSIS 4.0
A plain-English, regularly updated tracker showing which cable internet providers have launched DOCSIS 4.0, which are still upgrading, and when most homes can expect access. Includes major ISPs like Xfinity, Spectrum, and Cox plus smaller regional operators.
Troubleshooting
Not sure which Arris modem you own? This simple guide walks you through four reliable ways to find your model number so you can troubleshoot, upgrade, or confirm ISP compatibility with confidence.
Troubleshooting
Smart TVs screenshot your screen every 15 to 60 seconds, even through HDMI. This guide shows you how to disable ACR tracking on every brand and block it at the network level with Pi-hole, VLANs, and router firewall rules.
Review
Already have the free Spectrum modem? Save $60 a year by replacing the rented router with your own. Here are the best wireless routers for every Spectrum speed tier.
Review
Choosing the right modem for your Spectrum Internet plan can improve speeds and save you money. This guide matches the best Spectrum-approved DOCSIS 3.1 modems to each speed tier so you can pick the right one without overspending.
Troubleshooting
A complete guide to the best DNS servers for faster browsing and better privacy. Includes step-by-step instructions to change your DNS settings on any device or router, plus a comparison of Cloudflare, Google, Quad9, and OpenDNS.
Troubleshooting
Not sure what your speed test numbers actually mean? This guide breaks down every metric on your results page and walks you through simple fixes to get the speeds you are paying for.
Privacy
Go beyond account deletion. This guide covers the network-level privacy steps most guides miss — encrypted DNS, router telemetry, ISP tracking, data brokers, and the infrastructure changes that protect every device on your network at once.
Review
Local AI hardware has changed since spring. New Mac minis, 128GB Strix Halo boxes, and Gemma 4's 12B variant reshuffle the tiers. Here is what to buy at every budget, and how to set it up without opening a hole in your...
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GreenWave C4000LG CenturyLink WiFi 6 Single Line xDSL Modem RouterCenturyLink, Brightspeed
Verizon Fios G3100 Router | Tri-Band WiFi 6, MoCA 2.5Verizon Fios
Actiontec C3000A CenturyLink DSL Modem Router | Bonded VDSL2CenturyLink, Brightspeed
Refurbished ARRIS DG3450 Modem Router Combo, Spectrum ApprovedSpectrum, TDS
Looking for the best modem for the Cox Go Beyond Fast plan? This guide covers the top DOCSIS 3.1 modems with 2.5 GbE ports and multi-gig support to get the most from your 2 Gbps Cox internet plan.
The Cox Go Super Fast plan delivers up to 1 Gbps download speeds for $100 per month. To get the most out of this plan, you need a DOCSIS 3.1 modem with a 2.5 Gbps Ethernet port. This guide covers the best...
Buying your own modem for the Cox Go Even Faster plan saves you $15 per month in rental fees and often delivers better performance. These are the best DOCSIS 3.1 modems compatible with Cox's 500 Mbps tier.
Stop renting and start saving. These are the best DOCSIS 3.1 modems for the Cox Fast 300 Mbps internet plan in 2026, with picks for every budget and setup.
Troubleshooting
Not sure how to find your router's IP address? This guide walks you through three easy methods, including checking the router label, using Command Prompt, and finding it through your device settings on Windows, Mac, iPhone, or Android.
Google DeepMind launches Gemma 4, its most capable open-source AI model family yet. Four model sizes run on phones, laptops, and Raspberry Pi with no cloud fees, released under a fully open Apache 2.0 license for the first time.
Troubleshooting
Not sure what the lights on your Windstream modem mean? This guide breaks down every light color and pattern on Windstream routers and gateways so you can quickly identify connection problems and get back online.
Troubleshooting
A blinking blue light on a CenturyLink modem means it is searching for the network. Normal for five minutes, a problem after that. This guide covers every C4000 light color, the fixes in the order that works, tower-modem and Brightspeed equivalents, and...
Troubleshooting
A Spectrum router or modem blinking white and blue is stuck in the connection process. This guide explains what the light means and walks you through fast, model-specific fixes for every current Spectrum router.
Troubleshooting
A blinking orange or amber light on your Cox modem usually means the device is trying to establish an internet connection but cannot complete the process. This guide walks you through the most common causes and fixes, from simple power cycles to...
Troubleshooting
Router login is three steps: connect to the network, type the router IP address, enter the admin credentials from the label. Steps for every major brand and ISP gateway, plus fixes when the login page will not load.
Troubleshooting
Every Xfinity gateway ships with two passwords. Here is where each one is printed, how to log in at 10.0.0.1 now that the Admin Tool is off by default, and how to reset both.
Troubleshooting
If your Comcast modem is flashing green, it usually means the device is trying to establish a connection but cannot complete the process. This guide walks you through the most common causes and step-by-step fixes, from simple reboots to signal issues, so...
Review
Wi-Fi 8 made its first public appearance at CES 2026, but the standard is still years from being finalized. Wi-Fi 7 routers are mature, widely available, and dropping in price. For most homes in 2026, upgrading to Wi-Fi 7 now is the...
Troubleshooting
If your Xfinity internet keeps dropping or disconnecting randomly, this guide walks you through every fix, from quick resets to replacing your rental gateway for good.