Fix Wi-Fi Disconnecting Randomly: A Practical Guide

These steps help narrow down whether the cause is your device, the wireless signal, or the router. Before starting, make sure you can access your router’s power cable and, if available, its setup instructions. Save any work that depends on an internet connection. Router and device menu names vary slightly by model and software version.

What You’ll Need

The device that keeps disconnecting and, if possible, another phone or computer for comparison.
Access to your router or modem and its power outlet.
Your Wi-Fi network name and password, in case you need to reconnect.
Optional: an Ethernet cable and a device with an Ethernet port, to test the connection without Wi-Fi.

Step-by-Step

Check what is disconnecting. When the problem occurs, see whether other devices lose Wi-Fi at the same time. If only one device drops, focus on that device. If several devices disconnect together, investigate the router, its signal, or the internet service. Also note whether Wi-Fi disappears entirely or remains connected while internet access stops; those point to different parts of the connection.
Restart the affected device. Turn Wi-Fi off and back on, then restart the phone, computer, or tablet. Reconnect to the correct network and observe whether the connection stays stable. A restart can clear a temporary software or network glitch without changing saved settings.
Restart the modem and router safely. If multiple devices are affected, unplug the router’s power. If your setup has a separate modem, unplug that too. Wait about 30 seconds, reconnect the modem first, and allow its lights to settle; then reconnect the router. Startup can take several minutes. Avoid pressing a recessed Reset button: that can erase network settings and is not the same as restarting.
Improve the Wi-Fi signal. Test near the router. If the connection is stable nearby but drops farther away, move the router to an open, central position, elevated and away from thick walls, metal objects, and enclosed cabinets. Try a different room or band if your router offers separate 2.4 GHz and 5 GHz networks. The 2.4 GHz band usually reaches farther; 5 GHz can be faster nearby but is more easily blocked. Names and options vary by router.
Forget and rejoin the network on one affected device. In the device’s Wi-Fi settings, choose the network and select the option to forget or remove it; then connect again and enter the password. Menu paths differ slightly by device and software version. Do this only if you know the password. This refreshes that device’s saved connection details, but it will not fix a router problem affecting every device.
Check power-saving and connection settings. On a laptop, make sure battery-saving options are not turning off the wireless adapter. On a phone or tablet, temporarily disable any setting that automatically switches networks or uses mobile data when Wi-Fi is weak, if your device provides one. Menu labels vary by version; do not change unfamiliar router or security settings just to test.
Install updates and check the network adapter. Connect by Ethernet or use another reliable connection if possible, then install available operating-system updates. On a computer, check the manufacturer’s support instructions for the wireless adapter driver; use only the device or adapter maker’s official update source. Restart afterward. Avoid removing a driver unless you know how to restore it, since that can leave the device without Wi-Fi.
Test again and escalate based on the result. Use the device where the drop usually happens and see whether other devices remain online. If only one device still disconnects, contact its manufacturer or your workplace’s IT support. If all devices drop, test with Ethernet if available and check your provider’s service-status information. A stable Ethernet connection alongside failing Wi-Fi suggests a wireless or router issue; a failed wired connection can point to the modem, service, or provider.

Common Mistakes

Resetting instead of restarting: A factory reset can erase your Wi-Fi name, password, and provider-specific settings. Use the power cycle described above first.
Changing several settings at once: If the connection improves or worsens, you will not know which change caused it. Test one adjustment at a time and note what you changed.
Assuming every drop is a Wi-Fi fault: A device can stay connected to the router while the internet service is unavailable. Check whether the Wi-Fi symbol remains connected and compare another device.
Installing drivers from unfamiliar sites: Unofficial downloads can be incorrect or unsafe. Use the computer or adapter manufacturer’s official support channel.
Placing the router out of sight: Cabinets, floors, and dense obstacles can weaken the signal. Keep it in an open location where practical.

Tips

Keep a brief note of the time, location, device, and whether other devices were affected. A repeatable pattern can help identify weak coverage or an intermittent service problem.
If the router offers both bands under one network name, let its normal automatic selection work before changing advanced settings. If drops happen only in one area, first test closer to the router.
For a work or school device, ask the organisation’s IT team before changing network, security, or adapter settings.
Make sure the router’s power connection is secure and that its ventilation is not blocked. Do not open the router or modem.

Troubleshooting

Only one device keeps dropping: Restart it, forget and rejoin the network, and check for operating-system or manufacturer-provided adapter updates. If it happens on other Wi-Fi networks too, the device is a more likely source than your router.

Every device disconnects together: Restart the modem and router, check their indicator lights and cables, and consult the internet provider’s service-status information. If the drops continue, contact the provider or router maker with the times and pattern you recorded.

The device says “connected” but apps cannot reach the internet: Test another device and, if available, an Ethernet connection. If all connections lack internet access, investigate the modem or service rather than repeatedly changing Wi-Fi settings.

It works near the router but not elsewhere: Treat this as a coverage problem. Reposition the router, reduce obstacles, and test the other Wi-Fi band if available. A mesh system or extender may help in a large or obstructed home, but place it where it still receives a reliable signal.

Nothing changes after these checks: Avoid a factory reset unless the router maker or provider gives you specific instructions and you have the setup details needed to restore the connection. Ask the provider to check the line or the device maker to inspect the affected equipment.

Frequently Asked Questions

Why does Wi-Fi disconnect even when the signal looks strong?

A strong signal does not guarantee that the router has internet access or that the device’s software is working correctly. Compare another device and check whether Wi-Fi disconnects or only internet access stops.

Should I restart my router every time Wi-Fi drops?

A restart is a useful first check when several devices are affected, but repeated restarts are not a lasting fix. If drops return, identify whether the issue is coverage, the router, the modem, or the provider.

Will forgetting the Wi-Fi network delete anything important?

It removes the saved connection details for that network on that device. You will need the password to reconnect; it does not erase files or change the router’s settings.

Should I factory-reset my router?

Not as an early troubleshooting step. A factory reset can remove custom network and internet settings. Use it only when the router maker or provider recommends it and you can restore the required configuration.

How can I tell if my internet provider is the problem?

If multiple devices lose internet at once, check your provider’s service-status information and test Ethernet if possible. If both wired and wireless connections fail, contact the provider; if Ethernet works but Wi-Fi drops, focus on the router’s wireless connection.

Sources: Microsoft Support. Menus and buttons can differ slightly by version. Spotted something out of date? Tell us.