Weak Wi-Fi in one room? Try these fixes before buying a new router

If Wi-Fi works beside the router but struggles in the bedroom or home office, start by comparing rooms and devices. That helps separate a coverage problem from a device fault or an internet service problem. A faster internet plan will not, by itself, strengthen the Wi-Fi signal inside your home.

1. Run a simple room-to-room test

Use one phone or laptop for the first comparison. Connect it to your home Wi-Fi and pause large downloads or backups where practical. On a phone, temporarily turn off mobile data so it cannot hide a failing Wi-Fi connection; turn it back on when you finish.

1. Near the main router, try the activity that causes trouble, such as a video call or streaming. Note whether it works reliably.
2. Repeat the same activity in the problem room, using the same device and network.
3. If you use a speed test, use the same service in both locations and repeat the measurements. Record download speed, upload speed and any interruptions. A short test can miss occasional drops.
4. Try a second device in the problem room. Note whether it has the same difficulty.

For intermittent problems, repeat the comparison at the time you usually notice them. Keep a short note of the room, device, network name and result. You are looking for a repeatable pattern, rather than one unusually good or bad measurement.

2. Use the results to choose your next step

• Both devices work near the router but struggle in the same room: investigate coverage and placement.
• Only one device struggles: restart it, check updates and compare it on another trusted network before buying home networking equipment.
• Devices struggle throughout the home: follow our Wi-Fi keeps disconnecting guide.
• Wi-Fi stays connected but websites do not load: use our Wi-Fi connected, but no internet guide.

A room comparison is a useful clue, not a definitive hardware diagnosis. If a wired connection to the router is available, comparing it during the problem can help distinguish a wireless issue from a wider connection problem.

3. Improve the router’s position

Where the incoming cable and safe cable routing allow, try an open, raised position closer to the centre of the area you need to cover. Avoid cupboards, floor-level corners and large metal objects. Reduce the number of walls between the router and the problem room where practical.

Change one thing, then repeat your room test. Do not move equipment in a way that blocks ventilation or leaves cables across walkways. If the provider’s connection limits where the router can go, consider the options in section 6.

Microsoft’s home Wi-Fi layout guide explains the effects of placement, obstacles and interference.

4. Compare Wi-Fi bands if they are already available

In general, 2.4 GHz reaches farther through obstacles but can be more congested. The 5 GHz and 6 GHz bands can offer higher speeds at shorter distances. Both your router and device must support the band.

If your network already shows separate band names, compare them in the problem room. Record stability as well as speed. If it uses one network name across bands, leave that arrangement in place while testing placement; there is no need to change several settings at once.

Do not disable Wi-Fi security as a coverage test.

5. Check existing mesh points or extenders

A wireless mesh point or extender needs a usable connection back to the rest of the network. Placing it in the dead spot can give your device a nearby signal while leaving the connection upstream weak.

Try moving it toward an area where the main router’s connection is still reliable, following the manufacturer’s placement instructions. Check its app or status indicators, then repeat the test in the problem room.

For Google and Nest Wifi, Google’s placement guidance recommends open, elevated locations and checking the mesh connection after moving points. Other systems have different layouts and tools, so use the instructions for your model rather than copying a fixed distance.

6. Decide whether an extender, mesh system or wired connection fits

If placement changes do not solve the problem, choose the next option around the area you need to cover and the wiring available:

• One stationary computer or TV: an Ethernet connection can avoid the weak Wi-Fi path if a suitable cable route is practical.
• One small problem area: an extender may be worth considering if you can position it where it still receives a reliable connection. Confirm compatibility and check performance in your room.
• Several rooms or floors: a mesh system may be a better fit, but its points still need good connections between them.
• Existing Ethernet wiring: a wired access point or a mesh system that supports Ethernet backhaul may give you more placement options. Check the equipment’s supported configuration.

None is a guaranteed fix for every building. Check setup requirements, firmware support, total cost and the return policy. Avoid choosing solely by the largest advertised speed number.

Before buying, read what to check before replacing your Wi-Fi router. Keep your before-and-after notes so you can judge whether a change actually makes calls, browsing and streaming reliable in the room that matters.