Common Home Router Problems (And How to Fix Them)

Your router stopped working, or it’s working badly. Here’s a systematic guide to diagnosing and fixing the most common home router problems — in order of how often they actually occur.

Fix #1: Restart Everything (Seriously, Do This First)

Unplug your router. Unplug your modem. Wait 30 seconds. Plug the modem back in, wait 60 seconds for it to fully connect. Then plug the router back in. Wait another 60 seconds. Test. This fixes roughly 70% of all router problems. No joke.

Fix #2: No Internet — But Wi-Fi Connects Fine

You’re connected to Wi-Fi but nothing loads. This is almost always a modem/ISP issue, not your router. Check: Is the modem’s internet light solid or flashing? Flashing usually means it’s not connected to your ISP. Try power cycling the modem alone first. If that doesn’t work, call your ISP — the issue is upstream from your router.

If the modem looks fine: log into your router admin panel and check the WAN status. It should show an IP address assigned by your ISP. If it shows “Not Connected” or “0.0.0.0”, the router isn’t getting a DHCP lease from the modem. Power cycle both in order: modem first, then router.

Fix #3: Slow Wi-Fi Speeds

First, check whether the issue is Wi-Fi or your ISP plan. Run a speed test on a wired device. If wired speeds match your plan but Wi-Fi is slow, the issue is wireless. Check:

• Band selection — Are you connected to 2.4 GHz? Switch to 5 GHz for faster speeds at close range.
• Channel congestion — In apartments, dozens of neighboring routers compete on the same channels. Log into your router and change the Wi-Fi channel. On 2.4 GHz, channels 1, 6, or 11 are non-overlapping. On 5 GHz, use auto-channel selection.
• Router placement — Centralize the router. Thick walls, microwaves, and baby monitors all interfere with 2.4 GHz.
• Device congestion — Too many active devices? A Wi-Fi 6 router handles this much better via OFDMA. If you’re on older Wi-Fi 5 hardware, this may be the root cause.

Fix #4: Wi-Fi Drops Intermittently

Random disconnections have a few common causes:

• Overheating — Routers in enclosed spaces or stacked on other electronics overheat and throttle. Put the router somewhere with airflow.
• Firmware bug — Check if a firmware update is available in your router app or admin panel. Router manufacturers regularly fix stability bugs.
• ISP line issues — If rebooting fixes it temporarily but it drops again after hours, check your modem’s connection log for errors. Consistent errors usually mean a line quality issue that requires an ISP service call.
• IP address conflict — Two devices with the same IP cause connectivity chaos. Assign static IPs to important devices or enable DHCP conflict detection in your router settings.

Fix #5: Can’t Log Into Router Admin Panel

Default admin page addresses: TP-Link is tplinkwifi.net or 192.168.0.1, NETGEAR is routerlogin.net or 192.168.1.1, ASUS is 192.168.1.1. If you’ve forgotten your admin password, locate the physical reset button on the router (usually a pinhole on the back), hold it for 10 seconds to factory reset. This wipes all settings — you’ll need to reconfigure.

Fix #6: One Device Can’t Connect

When only one device has connection issues while others work fine, the problem is almost always on the device, not the router. Try: forget the network on the device and reconnect, restart the device, check if its Wi-Fi driver needs an update, or try connecting to a different band (5 GHz vs 2.4 GHz).

When to Replace vs. Repair

If your router is more than 5 years old and you’re having persistent issues, replacement is usually more cost-effective than troubleshooting. Wi-Fi 6 routers start at $54 — the upgrade pays for itself in reliability and performance within weeks.