Have you turned on your laptop or built a new PC, but instead of the familiar list of networks, you see nothing or a message saying "No available connections"? Wi-Fi connection issues on your computer are more common than you might think. The cause can lie in both the router settings and the device itself: a disabled adapter, outdated drivers, or even physical damage to the antenna. In 80% of cases, the problem can be fixed in 10 minutes without calling a technician.
This article will help you understand why The computer doesn't have Wi-Fi, even if other devices connect without issue. We'll cover step-by-step instructions for Windows 10/11, including drivers, router settings, and hardware issues. If you're a macOS or Linux user, you'll find specific recommendations at the end of the article.
Before you begin adjusting the settings, make sure the issue is with your computer. Try connecting to the network from your phone or tablet. If Wi-Fi works on other devices, proceed to the next sections. If not, the problem is with the router or provider, and first you need to reboot the router (unplug it from the socket for 30 seconds).
1. Check the physical connection and enable Wi-Fi
Let's start with the obvious: perhaps, The Wi-Fi adapter is disabled Physically or software-based. Laptops often have a dedicated button or key combination for controlling wireless modules. On desktop computers, check whether the adapter is connected to a USB port or PCI slot.
How to check:
- 🔍 On laptops Lenovo, HP, Dell look for the button with the antenna (or
Fn + F2/F5/F12). On ASUS - oftenFn + F2. - 🖥️ On desktop PCs, make sure that the USB adapter (e.g. TP-Link TL-WN725N) is inserted into the port and the indicator is on.
- 🔄 If the adapter is external, try reconnecting it to a different USB port (preferably 2.0 rather than 3.0).
On Windows 10/11, open Start → Settings → Network & Internet → Wi-FiThe slider should be in the "On" position. If it's not there or is inactive, the problem is deeper (see the section on drivers).
2. Diagnosing the network adapter in Windows
If Wi-Fi is enabled but networks still aren't showing up, check if the system recognizes the network adapter. To do this:
- Click
Win + R, enterdevmgmt.mscand press Enter. - IN Device Manager Expand the "Network adapters" branch.
- Look for devices with words Wireless, Wi-Fi, 802.11 or the model name (for example, Intel Wi-Fi 6 AX200).
What could go wrong:
- ❌ The adapter is not in the list → physical malfunction or not connected (for external devices).
- ⚠️ There is an exclamation mark next to the name → problem with the driver.
- 🔄 The adapter is present, but greyed out → disabled in the system (right-click → "Enable").
If you have an adapter but it doesn't pick up the network, try update driver (See the next section.) If it's not there, check the connection (for external adapters) or contact a service center (the internal module may be faulty).
What does a Wi-Fi adapter look like in Device Manager?
Typically this is a line mentioning a wireless network, such as:
- Intel(R) Dual Band Wireless-AC 8265
- Realtek RTL8821CE Wireless LAN 802.11ac PCI-E NIC
- Qualcomm Atheros QCA9377 Wireless Network Adapter
If the list only shows “Ethernet Adapter” or “PCI Controller,” the Wi-Fi driver is not installed.
3. Update or reinstall drivers
In 60% of cases, the problem with connecting to Wi-Fi is solved by updating the drivers.Outdated or corrupted software can cause the adapter to fail to detect the network or to connect with errors. Here's how to update the driver correctly:
Method 1: Automatic update via Windows
- Open
device Manager(as in the previous section). - Right-click on the Wi-Fi adapter → “Update driver”.
- Select "Automatic Search".
Method 2: Manual installation from the manufacturer's website (more reliable)
- Find out the adapter model (in Device Manager).
- Download the driver from the official website:
- For Intel: Automatic detection tool.
- For Realtek, Qualcomm Atheros, Broadcom - search by model on the laptop manufacturer's website (for example, support.lenovo.com).
- For external adapters (TP-Link, ASUS, D-Link) - on the brand's website.
Method 3: Uninstall and reinstall (if the update didn't help)
- In Device Manager, right-click on the adapter → “Uninstall device”.
- Check the box "Delete the driver software for this device" (if any).
- Restart your computer - Windows will try to install the driver automatically.
- 🔒 Incorrect safety standard (eg.
WPA3on the router, but the adapter only supportsWPA2). - 📡 Hidden network (SSID is not broadcast).
- 🔄 Incompatible channel or channel width (eg.
160 MHzon the router, but the adapter only supports80 MHz).
Make sure the adapter is visible in Device Manager.
Update the driver via Windows Update
Download the latest driver from the manufacturer's website
Remove the old driver and reinstall it
Restart your computer after changes-->
4. Configuring router settings
If Wi-Fi works on other devices, but your computer stubbornly refuses to connect, the problem may be with your router settings. The most common culprits are:
How to check your router settings:
- Connect to the router via cable (or from another device).
- Open your browser and enter the router's IP address (usually
192.168.0.1or192.168.1.1). - Log in (default logins/passwords:
admin/adminor see the router sticker). - Go to the section
Wi-FiorWireless network.
Recommended parameters for compatibility:
| Parameter | Recommended value | Explanation |
|---|---|---|
| Safety standard | WPA2-PSK (AES) |
Maximum compatibility with most devices |
| Network mode | 802.11n/ac/ax (mixed) |
Support for old and new adapters |
| Channel | Auto or 6/11 (2.4 GHz) |
Avoid congested channels (use apps like Wi-Fi Analyzer) |
| Channel width | 20/40 MHz (2.4 GHz) or 80 MHz (5 GHz) |
Narrow channels are more stable over longer distances |
After making changes, save the settings and reboot the router. Try connecting again.
5. IP addressing and DNS issues
Sometimes the computer "sees" the network, but cannot connect - an error "Unable to obtain an IP address" or "Limited connection" occurs. This means that The router's DHCP server is not providing correct network parameters.. Solved manually:
Method 1: Reset network settings
- Click
Win + R, entercmdand pressCtrl + Shift + Enter(run as administrator). - Enter the commands one by one:
netsh winsock resetnetsh int ip reset
ipconfig /release
ipconfig /renew
ipconfig /flushdns - Restart your computer.
Method 2: Manually setting IP and DNS
- Open
Settings → Network & Internet → Wi-Fi → Manage known networks. - Select your network → Properties → IP Settings.
- Switch to "Manual" and set:
- IP address:
192.168.1.X(where X is a number from 2 to 254, not occupied by other devices). - Subnet mask:
255.255.255.0. - Gateway:
192.168.1.1(your router's IP). - DNS:
8.8.8.8(Google) or1.1.1.1(Cloudflare).
- IP address:
6. Hardware faults and external interference
If none of the previous methods helped, it is possible hardware problem:
- The Wi-Fi antenna is damaged (relevant for laptops after falls).
- The USB port is faulty (for external adapters).
- The adapter overheats (typical for cheap USB modules).
- The signal is blocked by interference (walls, microwaves, other routers).
How to diagnose:
- 🔧 Connect an external Wi-Fi adapter (costs from 500 ₽) - if it works, the problem is in the internal module.
- 📶 Check your signal strength: in Windows, open
Settings → Network → Wi-Fi → Manage known networks→ Select the network → "Properties." If the signal strength is below 2-3 bars, the problem is range or interference. - 🌡️ For USB adapters: try connecting via an extension cable - sometimes the PC case shields the signal.
If the adapter is overheating (hot to the touch), try:
- Turn it off for 10 minutes.
- Connect via a powered USB hub.
- Replace with a model with passive cooling (eg. ASUS USB-AC53 Nano).
How to check for interference from other networks?
Download the app to your phone Wi-Fi Analyzer (Android) or NetSpot (iOS). It will show which channels are occupied by neighboring routers. If your router is operating on the same channel as 3-4 other networks, change the channel in the settings (section Wireless → Channel).
7. Alternative connection methods
If setting up Wi-Fi is still not successful, consider alternative options:
1. Connection via cable (Ethernet)
The most stable method is to run a cable from the router to the computer. Modern motherboards have a built-in Ethernet port (speeds up to 1–10 Gbps). If there's no port, buy a PCIe adapter (starting at 800 ₽).
2. USB tethering from your phone
You can share the Internet from your phone via USB:
- Connect your phone to the PC using a cable.
- On Android:
Settings → Network & Internet → Hotspot & Tethering → USB Tethering. - On iPhone:
Settings → Tethering → Allow others.
3. Powerline adapters
If it is not possible to run the cable, use adapters Powerline (For example, TP-Link TL-PA4010). They transmit the Internet through electrical wiring:
- One adapter is connected to the router with a cable and plugged into a power outlet.
- The second one is plugged into a socket next to the computer and connected to it via cable or Wi-Fi (if the model supports it).
Speed up to 600–1200 Mbps, but depends on the quality of the wiring.
FAQ: Frequently Asked Questions
🔹 Why doesn't my laptop detect Wi-Fi, but my phone does?
The most likely reasons are:
- The Wi-Fi adapter on the laptop is disabled (check the button or key combination).
- The adapter driver is outdated or damaged (update it through Device Manager).
- The laptop does not support the Wi-Fi standard used by the router (for example, the router is in the mode
Wi-Fi 6 (802.11ax), and the adapter is only802.11ac). - The MAC address filter is enabled in the router settings, and the laptop's address is not added to the whitelist.
Start by checking the adapter in Device Manager and updating the drivers.
🔹 How to connect a desktop PC to Wi-Fi without an adapter?
Desktop computers rarely have built-in Wi-Fi. Solutions:
- Buy an external USB adapter (from 500 ₽, for example, TP-Link TL-WN725N).
- Install an internal PCIe card (from 1500 ₽, for example, Intel Wi-Fi 6 AX200) - requires a free PCIe slot on the motherboard.
- Use an Ethernet cable (wired connection is more stable than Wi-Fi).
- Share Wi-Fi from your phone via USB (tethering) or create an access point.
For gaming or video streaming, it's better to choose a PCIe adapter - it provides a more stable connection than USB.
🔹 What should I do if Windows says "No connections available"?
This error means the system isn't detecting any Wi-Fi networks. Causes and solutions:
- The adapter is disabled: Check Device Manager and enable it (right click → Enable).
- The driver is not installed: The adapter is marked with an exclamation mark in Device Manager. Download the driver from the manufacturer's website.
- Hardware failure: If the adapter is not displayed in the Manager, it may be broken (for laptops) or not connected (for external USB adapters).
- Problems with the router: Reboot your router and check if SSID broadcasting is enabled (in the router settings).
- Airplane mode is on: in Windows 10/11 check
Settings → Network & Internet → Airplane Mode.
If the adapter is working properly but networks are still not showing up, try connecting to the hidden network manually (in the list of networks, select Hidden Network and enter the SSID name).
🔹 How to boost your computer's Wi-Fi signal?
A weak signal leads to connection drops and low speeds. Methods for boosting:
- Move the router closer to the computer or place it in the center of the apartment.
- Use a repeater (For example, TP-Link RE305) to expand the coverage area.
- Change the channel in the router settings (select the least loaded one using Wi-Fi Analyzer).
- Upgrade your router antennas to more powerful ones (with a gain of 5–9 dBi).
- Set up MIMO: if the router and adapter support
MU-MIMO, enable this option in the settings. - Turn off energy saving for Wi-Fi adapter:
- Open
device Manager. - Right-click on the adapter → Properties → Power Management.
- Uncheck "Allow the computer to turn off this device to save power."
- Open
For desktop PCs, the optimal solution is a wired connection or Powerline adapters, as they are not affected by interference.
🔹 Can I connect Linux or macOS using these instructions?
The basic principles (checking the adapter, router settings) are relevant for all operating systems, but there are some nuances:
For Linux (Ubuntu, Mint, Debian):
- Check the adapter with the command:
orlspci | grep -i wireless
(for USB adapters).lsusb - Update your drivers:
(For example,sudo apt update && sudo apt install firmware-<adapter_name>firmware-realtek). - Manage networks through
nmclior graphical interface NetworkManager.
For macOS:
- Check the adapter in
About This Mac → System Report → Network. - Reset network settings:
System Preferences → Network → Manage Locations → Edit Locations → Create New. - Update macOS—Apple regularly releases patches for Wi-Fi modules.
On Linux, there may be problems with proprietary drivers (for example, for Broadcom). In this case, install them through Additional drivers (Ubuntu) or manually from the manufacturer's website.