My laptop's Wi-Fi has disconnected and won't turn on: full recovery instructions

Have you turned on your laptop, but the Wi-Fi icon in the system tray has a red cross through it or disappeared entirely? Or is the wireless network button unresponsive, and the list of available networks is empty? This problem is familiar to millions of users, and its causes can range from simple software glitches to hardware malfunctions. It's important not to panic: in 80% of cases, Wi-Fi can be restored without a trip to a service center.

In this article, we'll cover all possible scenarios—from a simple reboot to checking driver integrity and hardware diagnostics. You'll learn how to distinguish a software glitch from a faulty adapter, why Windows 10/11 sometimes loses Wi-Fi after updates, and what to do if your laptop Lenovo, HP or ASUS suddenly stopped seeing networks. And for owners of devices with a button Airplane Mode On the body there is a separate section with nuances.

Let's be clear: if the problem occurred after physical impact (a fall, liquid spill, or disassembly), it's best to contact a specialist immediately. Otherwise, follow our instructions in order, from simple to complex.

1. Basic checks: router, power, buttons

Before digging into your laptop's settings, make sure the problem isn't with the router or power supply. These steps take no more than 5 minutes, but can often save hours of troubleshooting.

• 🔌 Reboot your router: Unplug it for 30 seconds, then plug it back in. Wait until it boots up completely (the indicators should be steady).
• 📶 Check other devicesConnect your smartphone or tablet to the same network. If Wi-Fi works on both, the problem is with your laptop.
• ⚡ Rule out nutritional problems: Connect the laptop to the charger (even if the battery shows a charge). Some models Dell And Acer turn off the Wi-Fi adapter when the battery level is low.
• ✈️ Check the physical button/switch: on some laptops (eg. HP Pavilion or Lenovo IdeaPad) there is a hardware Wi-Fi enable button on the case or a key Fn + F2/F12 (antenna icon).

If Wi-Fi still doesn't work after these steps, proceed to software diagnostics. But first, answer this question:

2. Diagnostics in Windows: Service, Airplane Mode, and Network Settings

Windows 10 and 11 have built-in tools for managing wireless networks, but sometimes they fail. Let's start by checking the key settings.

Step 1: Turn off Airplane Mode

Even if you haven't enabled it manually, Windows sometimes activates this mode automatically (for example, when the battery is low). You can check its status as follows:

• Click Win + Ato open Notification Center.
• If the button Airplane mode highlighted in blue - click on it to disable.
• Also check if Wi-Fi is disabled using a separate button in the same menu.

Step 2: Restart the WLAN AutoConfig service

This service is responsible for managing wireless connections. If it freezes, Wi-Fi will stop working:

1. Click Win + R, enter services.msc and press Enter.
2. Find in the list WLAN AutoConfig Service (WLAN AutoConfig).
3. Right click → RestartIf the service is stopped, select Launch.
4. Install Launch type in meaning Automatically.

Step 3: Reset network settings

If the previous steps did not help, reset your network settings to factory defaults:

1. Open Settings → Network & Internet → Status.
2. Scroll down and click Network reset.
3. Confirm the action and restart the laptop.

3. Checking Wi-Fi adapter drivers: updating, rolling back, deleting

In 60% of cases, Wi-Fi issues are related to drivers—they could have crashed after a Windows update, conflicted with other programs, or simply become outdated. Let's explore all the possible solutions.

How to check the driver status:

1. Click Win + X → select device Manager.
2. Expand the branch Network adapters.
3. Find the device with the words Wireless, Wi-Fi or 802.11 (For example, Intel Wi-Fi 6 AX200 or Qualcomm Atheros QCA61x4).
4. If a yellow triangle ⚠️ is lit next to the adapter, the driver is not working properly.

Solutions:

• 🔄 Update your driver: Right-click on the adapter → Update driver → Automatic searchIf Windows does not find updates, download the driver from the laptop manufacturer's website (section Support).
• 🔙 Driver rollback: If the problem appeared after an update, return to the previous version: right-click → Properties → tab Driver → Roll back.
• 🗑️ Uninstall and reinstall: Uninstall the driver (right click → Remove device), then restart your laptop. Windows will install the driver automatically.

For laptops ASUS And MSI Proprietary Wi-Fi management utilities are often required (for example, ASUS Wireless Radio Control). Download them from the official website if standard methods don't work.

4. Diagnosing hardware problems: how to check the Wi-Fi module

If software solutions don't help, there may be a problem with the Wi-Fi adapter itself. This could be:

• 🔌 Bad contact (the module came loose from the connector after a fall or vibration).
• ⚡ Overheat (the adapter switches off at high temperature).
• 💥 Failure (for example, after a power surge).

How to check:

1. Visual inspection: Open the back cover of the laptop (if you have experience) and check if the Wi-Fi module is firmly seated in the slot. M.2 or miniPCIeOn some models Lenovo ThinkPad The module is secured with a screw - make sure it is not loose.
2. Test on another device: Remove the module and connect it to another laptop (or use a USB Wi-Fi adapter to test).
3. Checking in BIOS: Go to BIOS (usually the key F2, Del or Esc at boot) and make sure that the Wi-Fi adapter is enabled in the settings. In some BIOS (for example, on HP EliteBook) there is a separate point Wireless LAN.

If your laptop has been dropped or impacted, do not attempt to re-solder the Wi-Fi module contacts yourself, as this may damage the motherboard. Contact a service center.

5. Software conflicts and viruses: what interferes with Wi-Fi

Some programs can block the Wi-Fi adapter—antiviruses, VPN clients, download managers, and even standard Windows utilities. Viruses can also sometimes modify network settings.

What to do:

• 🛡️ Disable your antivirus: Temporary shutdown Kaspersky, Avast or ESET NOD32 may help. Some antiviruses (for example, 360 Total Security) have a built-in firewall that blocks networks.
• 🔗 Check your VPN: If you use NordVPN, ProtonVPN or similar services, disable them. Some VPNs change routing, which can lead to connection loss.
• 🦠 Scan your system for viruses: Use Malwarebytes or Dr.Web CureIt! to search for malware that may have changed network settings.
• 🔄 Restore the systemIf the problem occurred recently, roll back Windows to a restore point: Start → Settings → Update & Security → Recovery.

Conflicts especially often arise after installing pirated software or “optimizers” such as CCleaner, Advanced SystemCareIf you installed such programs before the Wi-Fi outage, remove them.

6. Specific problems for different laptop brands

Manufacturers often add proprietary Wi-Fi management utilities that can conflict with standard Windows drivers. Let's look at the nuances for popular brands.

If your brand is not in the table, check the section on the manufacturer's website Support → Drivers — there may be special patches for Wi-Fi.

7. Alternative connection methods if Wi-Fi doesn't work

While you're looking for the cause of the problem, you can temporarily use other methods to connect to the Internet:

• 📱 USB tethering from a smartphone: Connect your phone via USB, enable modem mode in the settings (on Android: Settings → Network & Internet → Hotspot & Tethering).
• 🖥️ Ethernet adapter: If your laptop doesn’t have an RJ-45 port, use a USB-Ethernet adapter (costs ~500 rubles).
• 🔄 Powerline adapter: Transmits the Internet through electrical wiring (useful if the router is far away).
• 📡 External Wi-Fi adapter: USB dongle (eg TP-Link TL-WN725N) will cost 600–1500 rubles and will temporarily replace the built-in module.

For continuous use of an external adapter, choose models that support Wi-Fi 6 (802.11ax) and speeds from 300 Mbps.

8. When to call for service: signs of a serious breakdown

If you've tried all the above and your Wi-Fi still isn't working, there may be a hardware issue. Contact a service center if:

• ⚡ The laptop does not see any networks., even after reinstalling Windows and replacing drivers.
• 🔥 The adapter gets hot or smells burnt. (sign of short circuit).
• 🛠️ The Wi-Fi module is physically damaged. (broken connector, traces of oxidation).
• 🔄 The problem appears after heating (for example, after 30 minutes of work).

Repair cost:

• Replacing the Wi-Fi module: 1,500–4,000 rubles (depending on the model).
• Re-soldering contacts: 2,000–5,000 rubles
• Diagnostics: 500–1,500 rubles (sometimes free if you agree to the repair).

For laptops older than 5 years, it is sometimes cheaper to buy an external USB adapter than to repair the built-in module.

FAQ: Frequently asked questions about Wi-Fi not working on a laptop

netsh int ip reset
netsh winsock reset