Why Does My Internet Keep Disconnecting? 9 Fixes That Work

Few things are more frustrating than a video call that freezes every five minutes or a download that stalls right before it finishes. We’ve troubleshot home networks across a 1,400-square-foot apartment with a single router and a three-story house running a mesh system, and the same handful of root causes show up again and again: a tired modem, a router buried inside a media cabinet, congested 2.4 GHz channels, outdated network drivers on Windows, and the occasional ISP maintenance window.

The good news: most recurring disconnects clear up after two or three basic checks. This guide walks through nine fixes in the order we’d actually run them on a Friday-night service call. Start at the top and move down only if the previous step doesn’t restore stable service.

Skip ahead if you already know which layer is failing.

#Is It Your Hardware, Your Wi-Fi, or Your ISP?

Before changing any settings, narrow the failure down to a single layer.

Plug a laptop directly into the modem with an Ethernet cable. If the wired connection stays up while Wi-Fi devices keep dropping, the router or the wireless band is at fault. If the wired connection also drops, the modem or the ISP service is the culprit. In our testing across both apartments and houses, this single triage step cuts diagnosis time in half because it eliminates two-thirds of the possible causes in under a minute.

Once you know which layer is failing, jump to the right section.

#Fix 1: Power-Cycle the Modem and the Router

According to Microsoft’s Windows network troubleshooting guide, restarting the modem and router is the first step recommended for any intermittent home connection problem. The reboot clears stale state on both devices and forces a fresh DHCP lease from the ISP, which on its own resolves the lion’s share of recurring drops we see in real households. Order matters, so don’t skip ahead:

1. Unplug the modem from power.
2. Unplug the router from power.
3. Wait at least 30 seconds (60 seconds if your ISP recently pushed firmware).
4. Plug the modem back in and wait for its online LED to turn solid.
5. Plug the router back in and give it about two minutes for the Wi-Fi LED to settle.

Don’t press the pinhole reset button on the back of the modem unless you’re ready to re-enter ISP credentials. The reset wipes saved settings and is rarely what you want.

#Fix 2: Move the Router and Test Signal Strength

A router buried inside a TV cabinet behind a metal shelf isn’t really a router. It’s a Faraday cage.

Wi-Fi signal degrades through brick, concrete, drywall stuffed with insulation, and large appliances. Place the router on an open shelf at roughly chest height, central to the rooms you actually use, and well away from microwaves, baby monitors, and Bluetooth speakers.

We tested this in a 2-bedroom apartment where a smart TV dropped its stream at regular intervals.

Moving the router from inside a media console to the top of a bookshelf about five feet away ended the hourly disconnects entirely and added two bars of signal in the back bedroom.

#Fix 3: Switch Wi-Fi Channels to Reduce Congestion

Neighbors’ networks crowd whatever channel your router defaults to. Apple’s Wi-Fi settings page states that the 2.4 GHz band has only 3 non-overlapping channels (1, 6, 11).

5 GHz offers more than 20 usable channels in most regions, which is why crowded apartments often do better there.

If your router is set to “Auto,” try locking it to channel 1, 6, or 11 on 2.4 GHz, and pick a 5 GHz channel above 100 to avoid older smart-home devices. Run scans with WiFi Analyzer on Android or AirPort Utility on iPhone from the room where disconnects hit hardest, since that’s the radio environment that actually matters to your streaming device.

#Fix 4: Update Router Firmware

Outdated router firmware causes random drops on aging hardware. Modern routers from Netgear, TP-Link, ASUS, and eero check for updates automatically, but it’s worth verifying once a quarter. Log in to the router admin page (commonly at 192.168.1.1 or 192.168.0.1), open the firmware section, and apply any pending update. The router will reboot once during the install.

If your router is more than five years old, replacing it usually delivers a bigger reliability gain than any setting change. Our best Wi-Fi routers under $50 roundup covers solid budget picks we’ve tested for typical apartments and small homes.

#Fix 5: Refresh the Windows Network Stack

If only your Windows PC keeps disconnecting while phones and tablets stay online, the network stack on Windows is the likely problem. Open Command Prompt as administrator and run these commands one line at a time:

ipconfig /flushdns
ipconfig /release
ipconfig /renew
netsh winsock reset
netsh int ip reset

Restart the PC after the last command finishes. This sequence rebuilds the DNS cache, releases the current IP lease, requests a fresh one, and resets the Winsock layer. Microsoft’s support article confirms that these are the standard commands for resolving stubborn Windows-only connection issues.

If the disconnects are specific to Chrome, the DNS_PROBE_FINISHED_NO_INTERNET error guide and the ERR_CONNECTION_RESET in Chrome walkthrough cover the browser-specific fixes that pure Windows commands won’t reach.

#Fix 6: Change Your DNS Server

When an ISP’s DNS server is overloaded, pages time out and apps fail to load even though the Wi-Fi indicator stays green. Switching to a faster public DNS often feels like a faster overall connection because lookups happen on every new request.

Try Google Public DNS (8.8.8.8 and 8.8.4.4) or Cloudflare (1.1.1.1 and 1.0.0.1) at the router level so every device benefits at once. Most router admin pages have a WAN or Internet section where you can enter “Primary DNS” and “Secondary DNS” values.

#Why Does My Internet Drop Only at Certain Times of Day?

Time-based drops almost always trace to one of three causes:

Window	Likely cause
2 AM to 5 AM local	Automated ISP maintenance push
7 PM to 10 PM local	Peak-hour congestion on a shared node
Any time after 6+ hours uptime	Router thermal throttling

If you can predict the drop within a one-hour window, the cause is environmental rather than random hardware failure.

We tested this pattern on a cable line that dropped every evening around 8

PM for two weeks. A single call to the ISP confirmed a saturated node on the block, and the provider scheduled a node split that cleared the issue within ten days. The lesson: a scheduled drop is a clue, not a coincidence.

#Fix 7: Check for an ISP Outage Before Replacing Hardware

Every major U.S. provider publishes an outage map or status page, and third-party trackers like Downdetector show user-reported issues in near real time. According to the FCC Broadband Speed Guide, recommended minimum speeds for activities like 4K video streaming start at roughly 25 Mbps, so if your speed test drops well below that on a regular plan, the cause is upstream rather than inside your home.

If you’re on Spectrum cable, our Spectrum cable troubleshooting guide walks through the cable-specific LED checks. If you’re on Verizon Fios and the router keeps cycling, the Verizon Wi-Fi not working guide covers provider-specific resets.

#Fix 8: Inspect Cables and the Coaxial Connector

A bent Ethernet RJ-45 tab, an old Cat 5 cable with broken inner pairs, or a loose coaxial F-connector at the wall plate produces silent random drops that look identical to Wi-Fi problems. Replace any cable that bends sharply or shows visible kinks, and hand-tighten coaxial connectors at the wall and at the modem until they’re snug.

Use Cat 5e or Cat 6 for any new Ethernet run. Older Cat 5 cable caps out at 100 Mbps and can introduce errors at gigabit speeds, which routers report as “link flaps” rather than outright disconnects.

Check the cable first. New cables cost a few dollars; a new router costs a hundred.

#Fix 9: Watch for Overheating

Routers and modems run 24/7 and generate heat constantly. Stacked equipment, dust-clogged vents, and direct sunlight push internal temperatures above the silicon’s spec and trigger thermal throttling or full restarts. Google’s Nest Wifi support page recommends keeping the device upright with clear space around the vents, and the same advice applies to any consumer router.

Heat is sneaky. It looks exactly like flaky firmware.

Vacuum the vents every few months, lift the device off any warm surface like a cable box or amplifier, and watch whether the disconnect pattern changes. A small USB fan placed next to a hot router is a cheap test before deciding the hardware itself is failing.

If your phone keeps dropping Wi-Fi while other devices stay online, see the iPhone Wi-Fi not working fixes for device-side steps, or the Phone Wi-Fi slow troubleshooting guide when speeds crawl rather than fully disconnect.

#Bottom Line

For the vast majority of households, recurring internet drops trace back to a router that hasn’t been power-cycled in months, a Wi-Fi signal stretched too thin across the home, or a temporary outage on the ISP’s end. The 30-second modem-and-router reboot is the highest-value first step. It resolves more cases than every other fix combined and costs nothing.

Start there. Always.

If reboots aren’t sticking, run the wired-versus-wireless triage to localize the failure, then walk through Fixes 2 through 9 in order. Replace the modem only after you’ve confirmed it’s the modem rather than the cable or the neighborhood node. Most ISPs swap rented modems for free; if you own yours, a current-generation DOCSIS 3.1 cable modem or AX-class Wi-Fi router is a reasonable upgrade after about five years of daily use.

#Frequently Asked Questions