How to Fix Weak WiFi Signal at Home, Starting with the Router

To fix weak WiFi signal at home, start with the router: put it up high, near the middle of your home and out in the open, away from thick walls, metal and microwaves. Then choose the right band and channel, restart the router, update its firmware and check your PC’s Wi-Fi adapter; if one room is still out of range, add a mesh system or an extender.

If the signal drops in the bedroom, the home office or the garden, you’re not the only one dealing with it, and most of the fixes below are free. The last one uses Connectify Hotspot, a Windows app that shares your PC’s internet connection with your other devices over Wi-Fi. Download Connectify Hotspot free; its MAX edition turns a laptop into a Wi-Fi repeater.

The eight fixes are in the order worth trying: the router first, then your PC, then extra hardware, then the laptop.

Fix 1: Move the Router Higher and Closer to the Middle of Your Home

Wi-Fi spreads out from the router’s antennas in every direction. A router on the floor or tucked into a corner has more walls and furniture to cross before it reaches the far rooms. TP-Link’s support guide recommends an elevated, central spot for that reason.

• Put the router on a shelf or high on a wall, not on the floor or behind the TV.
• Keep it out of cabinets and away from outside walls, where part of the signal goes outdoors.
• If it has external antennas, TP-Link suggests pointing them straight up for coverage on one floor, or at about 30 degrees for a home with more than one floor.
• Don’t sit directly under the router: the signal is weakest right below the antennas.

If your modem and router are separate boxes, a longer Ethernet cable between them lets you move the router to a better spot without moving the internet line.

Fix 2: Clear Walls, Metal and Interference Between You and the Router

Each wall and ceiling between you and the router weakens the signal, and dense materials and anything containing metal weaken it most: brick, concrete, mirrors, metal shelving and large appliances. Other electronics get in the way too. TP-Link lists microwave ovens, cordless phones and Bluetooth devices that use the same band, nearby routers on the same channel, and equipment such as monitors and electric motors.

Move the router away from these and test again from the weak room. A microwave only interferes while it’s running, so a signal that drops whenever someone heats up lunch points straight at it.

Fix 3: Use 2.4 GHz for Range and 5 or 6 GHz for Speed

Dual-band routers broadcast on 2.4 GHz and 5 GHz, and Wi-Fi 6E and Wi-Fi 7 routers can add 6 GHz. Each band trades range for speed:

• 2.4 GHz reaches furthest and gets through walls best, but it’s slower and more crowded, because neighbors’ networks, Bluetooth and microwaves share it.
• 5 GHz is faster and usually has clearer channels, but TP-Link notes its range is shorter and obstacles affect it more.
• 6 GHz has the shortest range and passes through walls least well, so it works best in the same room as the router. Only Wi-Fi 6E and Wi-Fi 7 devices can use it; older devices connect on 5 or 2.4 GHz instead.

In a far room, the 2.4 GHz network can give a steadier connection than 5 GHz at one bar. Microsoft’s Wi-Fi troubleshooting guide suggests the same: if both bands are listed, try the other one. If your router uses one name for both bands, look in its app or settings page for an option to split them, so you can choose the band yourself. Some smart plugs and cameras only work on 2.4 GHz anyway: see how to connect devices that only support 2.4 GHz.

Fix 4: Change the WiFi Channel to Get Away from Your Neighbors

Routers on the same channel compete for airtime, which matters most in apartments and dense neighborhoods where you can see your neighbors’ networks. Routers pick a channel automatically by default. If the signal is weak or drops at busy times of day, open the router’s settings and try a fixed channel:

• On 2.4 GHz, use channel 1, 6 or 11. These three don’t overlap each other.
• On 5 GHz, TP-Link suggests channels 36, 40, 44 or 48.

Give each channel a day before you judge it. Even the recommended channels can be busy where you live, so the best channel is whichever one works in your home.

Fix 5: Restart the Router and Update Its Firmware

A restart is the quickest fix to try. Microsoft’s Wi-Fi troubleshooting guide gives the order: unplug the router, then the modem; wait at least 30 seconds; plug the modem back in and wait for its lights to stop blinking; then plug the router back in and wait a few minutes before you reconnect.

Next, check for a firmware update in the router’s app or admin page. Firmware updates fix bugs and security holes and can improve stability, and some routers install them on their own. Download firmware only from the maker’s support site, for your exact model. If your internet provider supplied the router, ask the provider whether a newer model is available.

Fix 6: Fix a Weak WiFi Signal on Your PC or Laptop

If your phone gets a good signal in the same spot and only the computer struggles, the problem is at the PC’s end.

• Measure the signal. Open Command Prompt and run netsh wlan show interfaces. The Signal line shows the strength as a percentage and the Channel line shows the channel you’re on. Run the command in different spots to compare.
• Reinstall the Wi-Fi driver. Microsoft’s steps: open Device Manager, expand Network adapters, right-click your Wi-Fi adapter and select Uninstall device, tick Attempt to remove the driver for this device, select Uninstall and restart. Windows installs the driver again on restart. Download the latest driver from your PC or laptop maker’s website first, in case Windows doesn’t find one.
• Desktop PCs: check the antennas. A desktop’s Wi-Fi card or motherboard usually has antennas that screw on at the back. Missing antennas, or a PC under a desk against a wall, cost signal. Attach the antennas and point them up, or use an antenna base on a cable that sits on top of the desk.
• Older adapters. An adapter that only supports 2.4 GHz or an older Wi-Fi standard can’t use the faster bands your router offers. A USB Wi-Fi adapter that supports 5 GHz, on a short USB extension cable so it sits on the desk rather than behind the PC, is an inexpensive upgrade.

Fix 7: Add a Mesh WiFi System or a Range Extender for Dead Zones

If one part of the home is still out of reach after the first six fixes, you need another radio closer to that room, not a better setting.

• Mesh Wi-Fi system: two or more units that work as one network across the home. Netgear calls mesh the better choice over extenders for whole-home coverage. For a large or multi-floor home, mesh is the long-term fix.
• Range extender: a single plug-in box that repeats your router’s signal, suited to one weak room. Netgear advises placing it 25 to 40 feet from the router, in line of sight if possible, and notes that its signal is usually weaker than the router’s own.
• Powerline adapters: carry the connection over your home’s electrical wiring, which TP-Link recommends where Wi-Fi is congested or a room is hard to reach.
• An Ethernet cable: if you can run one to the far room, a cable avoids Wi-Fi range problems altogether. Put an access point, or a laptop, at the far end.

Fix 8: Use a Laptop as a WiFi Repeater with Connectify Hotspot MAX

A Windows laptop can work as a Wi-Fi extender if its Wi-Fi adapter supports repeater mode. Connectify Hotspot MAX has a Wi-Fi repeater mode that picks up your home network and repeats it toward the room where the signal fades. Devices that join the repeater appear on your home network with addresses from your router, as if they were connected to the router itself.

Use it when a laptop or spare PC is already in the right place and you need coverage now. A laptop repeater is a stopgap: it only works while the PC is on and awake.

How to Use a Laptop as a WiFi Repeater in 5 Steps

1. Download and install Connectify Hotspot on your 64-bit Windows 10 or 11 PC.
2. Put the laptop between the router and the weak room, where the Wi-Fi signal is still good. A repeater can only pass on the signal it receives.
3. Open Connectify Hotspot and choose Wi-Fi repeater. Repeater mode is part of MAX (get it in the Connectify store) and needs a Wi-Fi adapter that supports it.
4. Under Wi-Fi network to repeat, pick your home network. The list shows the WPA and WPA2 networks this PC has joined before.
5. Click Start hotspot. Devices in the far room can now connect and join your home network.

Before you rely on a laptop repeater:

• Not every Wi-Fi adapter supports repeater mode.
• Ad blocking is off in repeater mode, because devices sit on your main network rather than behind the PC.
• On laptops with Modern Standby, Windows stops the hotspot about 10 minutes after the screen turns off, so keep the screen on while you need the repeater.
• Hotspot Lite and PRO create a separate Wi-Fi network instead of repeating yours.

Connectify Hotspot 27 runs on 64-bit Windows 10 (version 1703 or later) and Windows 11. On a Windows 7 or 8 PC, use Connectify Hotspot 2021 instead: see our Windows 7 and Windows 8 guides.

Free Option: Turn a Cable into WiFi in the Far Room

If you can run an Ethernet cable from the router to the weak room, a laptop there can turn it into Wi-Fi with the free Connectify Hotspot Lite. Plug in the cable, choose Wi-Fi hotspot, pick the Ethernet connection under Internet to share, set a password and click Start hotspot. Devices join a separate network with its own name and password. Lite runs in 60-minute sessions; PRO removes the limit. The full steps are in how to share a wired connection over Wi-Fi.

For the garden or a building across the yard, see how to extend WiFi range outside. A spare laptop in a drawer can do the job too: turn an old PC or laptop into a wireless router.

Which Fix to Try First for a Weak WiFi Signal

• Weak everywhere: router placement, band, channel, restart and firmware (fixes 1 to 5).
• Only one PC is weak while phones are fine: the PC’s adapter, driver and antennas (fix 6).
• One room or the garden is out of range: a mesh system or extender for good (fix 7); a laptop repeater or a cable plus a laptop hotspot in the meantime (fix 8).

To try the laptop route today, download Connectify Hotspot free. Wi-Fi repeater mode is part of Connectify Hotspot MAX.