Starlink Router Keeps Rebooting? A Safe Troubleshooting Guide

A Starlink router that restarts once after an update is usually not a crisis. A router that loses its Wi-Fi, goes dark, or begins its startup sequence every few minutes needs a more deliberate check.

This guide helps you separate a real router reboot from a normal internet drop, test the power path safely, and collect useful evidence before you reset anything or contact Starlink support.

First, confirm that the router is actually rebooting

Watch what happens when the connection fails:

• The Wi-Fi network disappears and the router light changes or goes dark: the router or its power path is restarting.
• Your Wi-Fi network stays visible, but the internet stops working: the router may still be running; check the Starlink app for an outage, obstruction, dish, or upstream connection problem.
• Only one phone, laptop, or TV disconnects: troubleshoot that device and its Wi-Fi connection first.
• A third-party router or access point restarts while Starlink Wi-Fi remains available: the problem may be in the third-party equipment, Ethernet link, or its power supply.

Open the Starlink app while you still have access to the Starlink Wi-Fi network. Check for alerts, outages, obstructions, and the router status. Router lights vary by hardware generation, so compare the light behavior with Starlink's router and power-supply light guide.

Make the setup safe before testing

Do not keep pressing reset buttons or repeatedly unplugging the kit while you are trying to diagnose it. On some older Starlink routers, a repeated power-cycle sequence can trigger a factory reset.

Before touching cables:

1. Save your current Wi-Fi name, password, custom DNS settings, bypass-mode choice, and any important mesh settings.
2. Note the time of each restart and whether the router light goes off, flashes, turns red, or returns to normal.
3. Stop if you see melted plastic, exposed conductors, water in a connector, a burning smell, or a power supply that is too hot to handle. Do not open the power supply.

1. Test the power path

Intermittent power is one of the fastest ways to create a reboot loop.

• Unplug the Starlink power supply or router from the wall.
• Check the wall plug, power cable, router cable, and dish cable for looseness, sharp kinks, crushed sections, water, or visible damage.
• Reconnect each plug firmly while the equipment is unpowered. Do not force a connector or use a damaged cable.
• For one controlled test, use a known-good wall outlet and bypass a questionable extension lead, timer, or overloaded power strip.
• If you use a UPS, surge protector, inverter, generator, or solar system, test briefly from a stable mains outlet if that is safe and practical.
• Leave the power supply in open, ventilated space. Starlink says its power supply can shut down when it gets too hot, and recommends ventilation to let heat disperse. See the official power-supply overheating guidance.

After reconnecting power, allow the system time to boot and reconnect. Do not decide that the test failed just because the internet is unavailable for the first minute or two.

2. Run a minimal-equipment test

Temporarily remove variables from the network:

1. Disconnect non-essential Ethernet devices, switches, access points, and third-party routers.
2. If you use bypass mode, test with the Starlink router in its normal routing mode if you can do so without losing the configuration you need.
3. Connect one phone or laptop directly to the Starlink Wi-Fi.
4. Keep the dish and router on their normal power path, with the dish in its usual clear-sky position.
5. Watch the setup for at least 10 to 15 minutes, recording the exact time of any restart.

If the router stays stable in the minimal setup, reconnect one device or network component at a time. The first component that brings the reboot back is a strong lead. A faulty Ethernet cable, a damaged accessory, a network loop, or a third-party device with a power problem can make the Starlink router appear to be at fault.

3. Check heat, placement, and physical stress

A router or power supply that is enclosed, pressed against insulation, covered by clothing, or placed in direct sun can become unstable. Move it temporarily to a dry, shaded, well-ventilated position with space around its vents.

Also check whether:

• The router or power supply is being pulled sideways by a tight cable.
• A cable is sharply bent at the connector.
• A connector is exposed to rain or condensation.
• A pet, door, drawer, or piece of furniture is pressing on the cable.
• The equipment restarts only during heavy use or warmer parts of the day.

Do not spray liquid onto the hardware and do not add improvised cooling that could introduce moisture or block airflow.

4. Separate a router fault from a Starlink connection fault

Use the app and a wired or local test where your hardware supports it:

• If the Starlink Wi-Fi disappears at the same time as the router restarts, focus on power, heat, cables, and the router.
• If Wi-Fi stays available but the app reports Searching, Booting, or an outage, focus on the dish connection, sky view, service status, and the cable path.
• If the Starlink router is stable but a mesh node or access point keeps restarting, test that node with its own power supply and Ethernet cable.
• If the problem began immediately after adding a switch, mesh node, access point, or third-party router, remove that addition and retest before changing Starlink settings.

Starlink's sudden-offline troubleshooting page also recommends a controlled power cycle, checking physical connections, and opening a support ticket when the problem persists.

5. Reboot once, then observe

A single deliberate power cycle is reasonable after you have checked the physical setup:

1. Remove power from the router or power supply.
2. Leave it disconnected for at least 10 seconds.
3. Reconnect it securely.
4. Wait for the normal startup and reconnection process.
5. Record whether the router remains stable.

If it reboots again, do not repeat the same cycle over and over. Repeated restarts can hide the pattern you need to report and may trigger a reset on some older models.

6. Factory reset only as a last resort

A factory reset removes your Wi-Fi name, password, and router settings. It can also require mesh nodes to be set up again. Use it only after the power, heat, cable, and minimal-equipment checks have failed, and only after recording your current settings.

If you can connect to the Starlink app, use Settings > Router > Factory Reset. The exact manual procedure depends on the router generation. Follow Starlink's official factory-reset instructions for your model rather than guessing from a different router.

After the reset, connect to the temporary STARLINK Wi-Fi network, set a new network name and password, and observe the router before reconnecting mesh nodes or third-party networking gear.

When to contact Starlink support

Open a support ticket when the router still reboots in a minimal setup using a known-good outlet, or when you see signs of failed hardware or power delivery. Include:

• The dish, router, and power-supply model if shown in the app.
• The approximate restart interval and exact timestamps.
• What the router light does during the restart.
• Whether the Starlink Wi-Fi disappears.
• Whether the problem changes with third-party equipment disconnected.
• Photos of any cable, connector, or power-supply damage.
• The troubleshooting steps that changed or did not change the behavior.

This evidence helps support separate a router fault, power-supply thermal shutdown, cable problem, third-party networking issue, and ordinary service interruption without making you repeat every test from the beginning.

Quick decision checklist

• Wi-Fi disappears and the router restarts: test power, cables, ventilation, and minimal equipment.
• Wi-Fi stays visible but internet drops: check app status, outage information, dish connection, and sky view.
• Only a mesh node or access point restarts: test that device, its cable, and its power supply separately.
• A red or thermal warning appears: improve ventilation, stop unsafe testing, and contact support if it returns.
• The problem survives a minimal-setup test: collect timestamps and open a support ticket.
• Reset is the only remaining step: save settings first and use the instructions for your exact Starlink model.