Where's the Wi-Fi on my laptop gone? Complete network diagnostics and restoration.

Have you turned on your laptop, but the Wi-Fi icon on the taskbar is gone? Or is the network working, but the laptop can't see any access points? This situation is familiar to millions of users, and the causes can range from a simple driver error to a hardware failure in the adapter. The main ruleDon't panic and don't rush to take your device to a repair shop. In 80% of cases, the problem can be resolved independently in 10-15 minutes.

Today we'll explore all possible scenarios—from a "missing" tray icon to a complete absence of networks from the list. We'll pay special attention to diagnostics via Device Manager, checking your router, and hidden Windows settings that aren't covered in standard instructions. And at the end of the article, you'll find FAQ with answers to the most frequently asked questions — for example, why Wi-Fi works on a phone but not on a laptop.

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1. Check the obvious: physical switches and modes

Let's start with the simplest thing - Wi-Fi may be disabled by hardware. Many laptops (especially models Lenovo, HP And Dell (up to 2020) are equipped with physical switches or key combinations for controlling wireless modules. You can check this in 30 seconds:

• 🔍 Button on the body: Look for a small slider or button with an antenna on the side/front of your laptop. Lenovo ThinkPad it's often a separate key next to F1–F12.
• 🎹 Keyboard shortcut: Click Fn + F2 (or F12, F5 — depends on the model). There should be an antenna icon on the key. ASUS this is often Fn + F2, on Acer — Fn + F3.
• ⚡ Airplane modeIn Windows 10/11, check the notification panel (click the network icon → "Airplane Mode"). Sometimes it activates accidentally.

If Wi-Fi does not appear after these manipulations, proceed to the next step. Important: On some laptops (e.g. HP Pavilion 2018–2019) disabling Wi-Fi hardware blocks the module until a reboot—even if you enable it back software-based.

⚠️ Attention: On laptops with Touch Bar (For example, MacBook Pro or HP Spectre) Wi-Fi control may be hidden in the additional menu. Click on the "Network" icon in Touch Bar or check the settings in Control Panel → Windows Mobility Center.

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2. Diagnostics via Device Manager: Driver or hardware failure?

If physical switches don't help, it's time to look into the "heart" of the system. Open device Manager (right-click on “Start” → “Device Manager”) and find the section Network AdaptersWe are interested in two things here:

1. Availability of a Wi-Fi adapterThe list must contain an item with the words Wireless, Wi-Fi, 802.11 or the name of the chip (for example, Intel Wi-Fi 6 AX200, Qualcomm Atheros). If it is not there, the problem is hardware (see section 5).
2. Driver statusThere shouldn't be a yellow exclamation mark next to the adapter's name. If there is, the driver isn't working properly.

What to do if you have an adapter, but Wi-Fi doesn't work:

• 🔄 Restart the driver: Right-click on the adapter → “Disable device” → wait 10 seconds → “Enable device”.
• 📥 Update your driverRight-click → "Update driver" → "Search automatically." If Windows says the driver is up-to-date, download it manually from the laptop manufacturer's website (not the chip manufacturer's website!).
• 🗑️ Uninstall the driver: If the update did not help, remove the driver completely (right-click → “Uninstall device”), then restart the laptop - Windows will install it again.

Critical moment: If after uninstalling the driver the adapter disappears from the list or appears as “Unknown device”, the problem may be in BIOS (see section 6).

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3. Checking Windows services: why the system “doesn’t see” the network

The Wi-Fi adapter may be working properly, but Windows is blocking it at the service level. This is a common issue after updates or virus attacks. Open Control Panel → Administrative Tools → Services and check three key services:

If the service "WLAN AutoConfig"** is disabled:

1. Right-click on it → “Properties”.
2. In the Startup type field, select Automatic.
3. Click Run → Apply → OK.
4. Restart your laptop.

If Wi-Fi doesn't appear after restarting services, try resetting the network:

netsh winsock reset
netsh int ip reset
ipconfig /flushdns

Enter these commands in Command prompt (administrator) and restart your PC.

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4. Router or laptop: who is to blame?

If Wi-Fi is lost only on your laptop, but networks are visible on your phone/tablet, the problem is with the laptop. But if all devices Lost connection, the router is to blame. It's easy to check:

• 📱 Phone testTry connecting to Wi-Fi from your phone. If the network isn't visible or the connection drops, the problem is with the router.
• 🔌 Rebooting the router: Unplug the router for 30 seconds, then plug it back in. Wait 2-3 minutes (the router needs time to initialize).
• 🔍 Checking indicatorsThe Wi-Fi indicator on the router should be lit (usually green or blue). If it's blinking orange or off, there's a hardware problem.

If the router is working, but the laptop still doesn’t see the network:

• 🔄 Change Wi-Fi channel: In the router settings (usually 192.168.0.1 or 192.168.1.1) find the section Wireless → ChannelTry channels 1, 6 or 11 (they are less crowded).
• 📶 Disable 5 GHz: If your laptop is older than 2015, it may not support the 5 GHz frequency. Disable it in your router settings or set it to 802.11b/g/n (2.4 GHz only).
• 🔒 Check MAC filtering: Some routers have MAC address binding enabled. Find the section MAC Filter and disable it or add the MAC address of the laptop (you can find it in Command line team ipconfig /all).

⚠️ Note: If after changing the Wi-Fi channel on your router your laptop still can't see the network, try temporarily disabling encryption. In your router settings, find Wireless Security → install Open (No Security)If the network appears, the problem is in the security settings (perhaps the laptop does not support it). WPA3).

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5. Hardware malfunctions: when you can’t do without service

If all software methods have been tried and there is still no Wi-Fi, the problem may be physical damage to the adapter or contacts on the motherboardHere are the signs of hardware failure:

• 🔌 The adapter disappeared from the Device Manager** even after reinstalling the drivers.
• ⚡ The laptop is not responding. on the hardware Wi-Fi enable button.
• 🔥 Before the Wi-Fi dropped there was physical damage (impacts, liquid ingress, overheating).
• 🔍 It is missing in BIOS paragraph Wireless LAN or it is turned off and does not turn on.

What you can do yourself:

1. Check your BIOS: Restart your laptop, hold down F2, Del or Esc (depending on the model) to enter the BIOS. Find the section Advanced → Wireless LAN and make sure it's turned on (Enabled).
2. Open your laptop: If you are confident in your abilities, remove the back cover and check if the Wi-Fi module is connected (usually a small board with antennas). On models Lenovo And Dell It can be screwed with one screw.

When to contact service:

• If the adapter is physically damaged (melted, contacts burned out).
• If after connecting the module to another slot (if any) it is not detected.
• If there is no option to enable Wi-Fi in the BIOS, the motherboard's south bridge may have burned out.

netsh int ip reset
netsh winsock reset
ipconfig /flushdns
shutdown /r /t 0