How to improve your PC's Wi-Fi signal: from simple settings to hardware upgrades

Are you sitting at your computer, trying to download a file or launch an online game, but the page takes forever to load and your ping is off the charts? The problem is often not with your ISP, but with a weak connection. Wi-Fi signal, which your PC simply can't reliably capture. Unlike smartphones, desktop computers and even some laptops often come with low-end network adapters that can't handle modern standards. Wi-Fi 6 or Wi-Fi 6EBut the problem is solvable—and doesn't always require purchasing new equipment.

In this article we will look at 10 proven methods Improve your PC's Wi-Fi signal: from basic router settings to hardware upgrades. You'll learn how to determine the source of the problem (adapter, router, or interference), which settings should be changed first, and when it's time to consider purchasing an external adapter or repeater. All recommendations are relevant for Windows 10/11, but some of the tips will also work for Linux/macOSLet's start with the simplest thing - diagnostics.

1. Diagnostics: Why Wi-Fi on a PC works worse than on a phone

Before changing anything, you need to understand the exact problem. A weak signal on a PC while the smartphone has a good connection is a classic symptom that suggests three possible causes:

• 📡 The Wi-Fi adapter on your PC is outdated. (for example, it only supports Wi-Fi 4 (802.11n) with a router Wi-Fi 6).
• 📶 The adapter antennas are weaker, than in the phone (especially relevant for built-in laptop adapters).
• 🏠 Physical interference: Walls, furniture or other devices (microwaves, wireless headphones) create interference at the 2.4 GHz frequency.

To check the current signal status:

1. Click Win + R, enter ncpa.cpl and press Enter.
2. Find your wireless connection, right-click on it → State.
3. View the parameter Speed (for example, 150 Mbps) and Signal quality (in percentages or bars).

If the speed is below 100 Mbps and the signal quality is less than 70%, the problem is definitely with the connection. For a more detailed diagnosis, you can use utilities like NetSpot or Wi-Fi Analyzer (available for Windows And Android). They will show the signal level in dBm (decibels), channel load, and even help you find the optimal location for your router.

2. Optimizing router settings: choosing a channel and standard

Most often, a weak signal on a PC is not related to the computer itself, but to incorrect router settingsEspecially if you've never accessed its control panel since purchasing it. Here are the key parameters to check:

• 📡 Wi-Fi standard: if your router supports Wi-Fi 5 (802.11ac) or Wi-Fi 6 (802.11ax), and in the settings it is 802.11n (Wi-Fi 4), you lose up to 50% of the speed.
• 🔄 Opening hours: turn on 802.11ac/ax (if supported) and disable legacy standards (802.11b/g).
• 🎯 Channel and channel width: at 2.4 GHz, choose the least loaded channel (for example, 1, 6 or 11), at 5 GHz - the channel width 80 MHz (if supported).

How to change settings (using routers as an example) TP-Link, ASUS, Keenetic):

1. Open your browser, enter your router's IP (usually 192.168.0.1 or 192.168.1.1).
2. Go to the section Wireless mode (or Wi-Fi).
3. Find the parameters Network standard, Channel And Channel width.
4. Save the changes and reboot the router.

Set the 802.11ac/ax standard (if supported)

Select a channel with minimal interference (use Wi-Fi Analyzer)

Set channel width to 40 or 80 MHz (for 5 GHz)

Disable power saving mode (if available)

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ImportantIf you have a dual-band router, connect your PC to the network 5 GHz — it's less susceptible to interference than 2.4 GHz and supports higher speeds. However, walls and ceilings weaken the 5 GHz signal more, so if your router is far away, you may have to use 2.4 GHz with its narrower channel width (20 MHz).

What to do if your router doesn't have an 80 MHz option?

If your router doesn't support 80 MHz channel width (relevant for budget models), select 40 MHz. At 2.4 GHz, 40 MHz channel width can interfere with other devices, so it's best to use 20 MHz.

3. Updating network adapter drivers

Outdated or incorrectly installed drivers are one of the most common causes of poor Wi-Fi on a PC, especially if you've recently updated Windows Or you changed your router. Adapter manufacturers regularly release updates that improve connection stability and support new standards.

How to update the driver:

1. Click Win + X → device Manager.
2. Expand the section Network adapters.
3. Find your Wi-Fi adapter (e.g. Intel Wi-Fi 6 AX200 or Realtek RTL8821CE).
4. Right click → Update driver → Automatic search.

If Windows can't find any updates, download the driver from the official website of the adapter manufacturer (Intel, Realtek, Broadcom etc.). For laptops, it is better to take the driver from the device manufacturer's website (Lenovo, HP, Dell), as they are often optimized for a specific model.

⚠️ Attention: Some drivers from Realtek (especially for adapters RTL8188, RTL8192) are known to have problems with Wi-Fi 6 routers. If the connection is lost after updating, try installing the driver from Microsoft (in Device Manager, select Select a driver from the list).

4. Changing the adapter's power settings

Windows By default, it attempts to conserve power, including disabling the network adapter when the load is low. This can lead to connection drops or a sharp drop in speed. To disable this "optimization":

1. Open Control Panel → Power supply.
2. Click Setting up a power plan next to the active plan.
3. Select Change advanced power settings.
4. Find the section Wireless Network Adapter Settings → Power saving mode.
5. Set value Maximum performance for both states (battery and mains).

For laptops, it is also useful to disable automatic adapter shutdown:

1. Open device Manager → Network adapters.
2. Right-click on the adapter → Properties → tab Power management.
3. Uncheck the box Allow the computer to turn off this device to save power.

5. Equipment upgrades: when you can't avoid purchasing

If all software methods have been tried and the signal is still weak, the problem may be ironHere are some situations when you should consider purchasing new equipment:

When choosing a new adapter, pay attention to:

• 🔌 Connection type: USB (convenient for laptops), PCI-e (for desktop PCs) or M.2 (for some laptops).
• 📶 Standard: minimum Wi-Fi 5 (802.11ac), better Wi-Fi 6 (802.11ax).
• 📡 Presence of antennas: External antennas (especially removable ones) provide better reception than built-in ones.

A critical detail: adapters with support Wi-Fi 6E (6 GHz) currently have limited compatibility with routers and may not provide a speed boost in urban areas due to band congestion.

⚠️ Attention: Cheap Chinese adapters without certification (for example, based on a chip Realtek RTL8188FU) often have problems with drivers and work unstably with Windows 11It's better to choose proven brands: TP-Link, ASUS, Intel.

6. Alternative methods: from wired connection to Powerline

If you can't improve your Wi-Fi signal, consider alternative connection options:

• 🔌 Ethernet cable: the most stable and fastest method. Modern motherboards support 1 Gbps or 2.5 Gbps.
• ⚡ Powerline adapters: transmit the Internet through electrical wiring (for example, TP-Link AV1000). Suitable if the router is far away and laying a cable is inconvenient.
• 📡 4G/5G routerIf the problem is with your provider, you can use mobile Internet with an unlimited tariff.

For gaming PCs or workstations where low latency is critical, wired connection remains the best choice. Even the most expensive Wi-Fi adapter won't provide the same stability as a cable. Cat 6 or Cat 7.

If it is impossible to lay wires, and Powerline is not suitable due to old wiring, pay attention to Mesh systems (For example, Google Nest Wi-Fi or ASUS ZenWiFi). They create a single network of several access points, automatically switching devices to the strongest signal.

7. Check for viruses and background programs

Sometimes weak Wi-Fi on a PC is not due to the signal, but to the fact that background processes are consuming traffic. Viruses, mining bots, or even legitimate programs (for example, Steam, uTorrent, OneDrive) can load the channel, leaving you with crumbs of speed.

How to check:

1. Open Task Manager (Ctrl + Shift + Esc).
2. Go to the tab Net and sort the processes by load.
3. If any application is consuming a suspicious amount of traffic, close it or scan it for viruses.

Also useful:

• 🛡️ Check your PC with an antivirus (Kaspersky, ESET or built-in Windows Defender).
• 🔍 Disable the automatic loading of unnecessary programs in Task Manager.
• 📥 Limit background download of updates (in settings) Windows Update and the app store).

⚠️ Attention: Some programs (for example, NVIDIA GeForce Experience or Discord) download updates in the background by default. This can consume up to 50% of your bandwidth.

FAQ: Frequently asked questions about improving Wi-Fi on your PC

Can you use your smartphone as a Wi-Fi adapter for your PC?

Yes, it is possible with the function USB-ethernet (on Android) or Modem mode (on iPhone). For Android you will need a cable USB-C/USB-A and enabling USB debugging. However, this method is unstable and only suitable for temporary use.

Why does Wi-Fi on a PC work worse than on a phone if they are close to each other?

Smartphones use more modern and sensitive Wi-Fi modules (for example, Qualcomm FastConnect or Broadcom BCM4375), while many PCs are equipped with budget adapters with weak antennas. Furthermore, phones automatically switch between the 2.4/5/6 GHz bands, and Windows sometimes it gets stuck on a congested channel.

Which Wi-Fi adapter is best for a gaming PC?

Important for games low ping And connection stabilityOptimal options:

• Intel Wi-Fi 6E AX210 (PCI-e, 6 GHz support).
• ASUS PCE-AX58BT (external antennas, Wi-Fi 6).
• TP-Link Archer TX3000E (budget option with Wi-Fi 6).

For maximum stability, it is better to combine a Wi-Fi adapter with a wired connection (for example, via Powerline).

Do AliExpress signal boosters help?

Most cheap "amplifiers" (for example, antennas costing 300-500 rubles) don't provide a real signal boost, and sometimes even worsen the connection due to poor shielding. If you need an external antenna, it's better to choose an adapter with a connector. RP-SMA and purchase a certified antenna (for example, TP-Link TL-ANT2408CL).

How can I check if my neighbors are interfering with my Wi-Fi?

Use network analysis programs:

• NetSpot (Windows/macOS) - shows the channel load.
• Wi-Fi Analyzer (Android) - helps to select the least loaded channel.
• inSSIDer — a professional tool for interference diagnostics.

If there are many other networks on your channel, change it in the router settings (see Section 2).