How to Fix Weak WiFi Signal on Laptop and PC

Wi-Fi is the wireless technology used to connect computers, tablets, smartphones and other devices to the internet.

Wi-Fi is the radio signal sent from a wireless router to a nearby device, which translates the signal into data you can see and use. The device transmits a radio signal back to the router, which connects to the internet by wire or cable.

What is a Wi-Fi network?

A WiFi network is simply an internet connection that’s shared with multiple devices in a home or business via a wireless router. The router is connected directly to your internet modem and acts as a hub to broadcast the internet signal to all your Wi-Fi enabled devices. This gives you flexibility to stay connected to the internet as long as you’re within your network coverage area.

What does Wi-Fi stand for?

Ironically, it doesn’t stand for anything. Wi-Fi, often referred to as WiFi, wifi, wi-fi or wi fi, is often thought to be short for Wireless Fidelity but there is no such thing. The term was created by a marketing firm because the wireless industry was looking for a user-friendly name to refer to some not so user-friendly technology known as IEEE 802.11. And the name stuck.

How does Wi-Fi work?

Wi-Fi uses radio waves to transmit data from your wireless router to your Wi-Fi enabled devices like your TV, smartphone, tablet and computer. Because they communicate with each other over airwaves, your devices and personal information can become vulnerable to hackers, cyber-attacks and other threats. This is especially true when you connect to a public Wi-Fi network at places like a coffee shop or airport. When possible, it’s best to connect to a wireless network that is password-protected or a personal hotspot.

Wi-Fi or WiFi, is a family of wireless network protocols, based on the IEEE 802.11 family of standards, which are commonly used for local area networking of devices and Internet access, allowing nearby digital devices to exchange data by radio waves. 

To fix weak wifi signal on your device,do the following

#Solution 1 – Set WiFi Sensibility Value to Maximum

You can set your WiFi Sensibility value to highest capacity and change a couple more settings in order to boost WiFi signal on laptop or PC running on Windows 10. Here’s what to do:

Step 1: Press Win + X keys on your keyboard. From the menu, click on Device Manager.

Step 2: From the list of device drivers in Device Manager, find your WiFi driver. Right click on it and select the Properties option.

Wifi Properties

Step 3: In the Properties window, go to the Advanced tab. There, in the list named Property, look for Roaming Sensitivity Level, Roam Tendency, or Roaming Aggressiveness. Select it when found, and from the Value drop-down, select the Aggressive option.

Roaming Sensitivity Level

Step 4: Now, in the list, select the Antenna Diversity option, and change its value to Auto.

Antenna Diversity

Step 5: Look for Band Preference or BSS Mode. If using a 5G connection, set the value to 802.11a. If using a normal 2.4GHz  connection, set the value to 802.11g or 802.11b.

Note: The 802.11a value will only be available if your WiFi card supports 5G.

Step 6: Once done changing these values, press on Ok to apply the settings. After that, restart your PC.

See if making these changes helped to boost weak WiFi signal on your Windows 10 PC. If nothing changed, give the next method a try.

#Solution 2– Change WiFi MTU

You can try to change the MTU value of your WiFi adapter. Here’s how to do it:

Step 1: Press Windows + X and click on Command Prompt (Admin) in the menu that opens.

Step 2: In Command Prompt window, type netsh interface ipv4 show subinterfaces and press Enter. Note down the name of your WiFi adapter that appears. It could be Wireless Network Connection or Wi-Fi.

Step 3: In the command prompt window, type the command given below

netsh interface ipv4 set subinterface "Wi-Fi" mtu=1400 store=persistent

Now press Enter.

Note:  If your Wi-Fi network adapter name is different , then replace Wi-Fi with a different name in above code.

To know, your WiFi adapter name, do this:-

  •  Search  View Network Connections in Windows 10 search box. Click on search result.
View Network Connections Min
  •  Note down the Wi-Fi name.
Wifi Name Min

In the screenshot given above, the WiFi name is Wi-Fi

Additional Steps 

In Command Prompt, type ipconfig /flushdns and press Enter.

type netsh winsock reset catalog and press Enter.

type netsh int ip reset and press Enter.

#Solution 3 – Maximize WiFi Adapter Performance to fix weak WiFi signal

Maximizing performance of WiFi Adapter from medium to maximum can be helpful. The WiFi adapter is set to work on medium performance. Follow these steps:

Step 1: Press Windows button, and in the Start search bar, type Power Options. Select Power Options from the search menu.

Step 2: In the new window that opens, click on the Change plan settings of the power plan you are using.

Step 3: Click on the Change advanced power settings.

Step 4: A new window opens. Here, look for Wireless Adapter Settings. Click on it to expand. Then expand the Power Saving Mode. If you are on a desktop, you will see just one option, named Setting. If on a laptop, you will see On battery and Plugged in options. Click on the option(s) and select the Maximum Performance option. When done, click on Ok to apply the settings.

Wireless Prformance Max

See if this method worked to increase WiFi range in Windows 10. If not, try the next method.

Solution 4– Set WiFi Sensibility Value to Maximum

You can set your WiFi Sensibility value to highest capacity and change a couple more settings in order to boost WiFi signal on laptop or PC running on Windows 10. Here’s what to do:

Step 1: Press Win + X keys on your keyboard. From the menu, click on Device Manager.

Step 2: From the list of device drivers in Device Manager, find your WiFi driver. Right click on it and select the Properties option.

Wifi Properties

Step 3: In the Properties window, go to the Advanced tab. There, in the list named Property, look for Roaming Sensitivity Level, Roam Tendency, or Roaming Aggressiveness. Select it when found, and from the Value drop-down, select the Aggressive option.

Roaming Sensitivity Level

Step 4: Now, in the list, select the Antenna Diversity option, and change its value to Auto.

Antenna Diversity

Step 5: Look for Band Preference or BSS Mode. If using a 5G connection, set the value to 802.11a. If using a normal 2.4GHz  connection, set the value to 802.11g or 802.11b.

Note: The 802.11a value will only be available if your WiFi card supports 5G.

Step 6: Once done changing these values, press on Ok to apply the settings. After that, restart your PC.

See if making these changes helped to boost weak WiFi signal on your Windows 10 PC. If nothing changed, give the next method a try.

Solution 5 – Check WiFi Card for Issues

If you use a PC, you must give your WiFi network card a check. Sometimes it’s the WiFi card that causes the issues. If the WiFi card is loosely connected to your PC, or if there’s dust accumulated on the card and connecting ports, it can lead to a weak WiFi signal. Try to reconnect the WiFi card to see if that works.

And old WiFi card could also be the reason why your PC is not getting enough WiFi signal. You can replace your PC’s WiFi card if you think its too old.

Are you not aware of what a WiFi card is or are not familiar with your PC’s hardware? Get help from someone who is an expert in PC hardware.

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