Laptop Lenovo G50-70 — a popular model from the mid-2010s that is still used by many users. However, owners often encounter a problem: the wireless network suddenly disconnects or doesn't turn on at all. The causes can range from accidental key presses to driver failures. In this article, we'll look into the issue. all possible ways to turn on Wi-Fi on Lenovo G50-70, including hardware and software methods.
It's important to understand that the correct course of action depends on the current state of the laptop. For example, if the Wi-Fi indicator doesn't light at all, the problem may lie in hardware shutdown of the adapter or missing drivers. If the network is visible but doesn't connect, the problem lies with Windows or router settings. We'll look at both scenarios and provide troubleshooting recommendations.
Before you begin setting up, make sure the router is working properly (try connecting to it from another device). Also, check if the router is activated on your laptop. Airplane mode - it automatically disables all wireless modules.
1. Hardware Wi-Fi activation: keys and switches
On Lenovo G50-70 the wireless adapter can be turned on/off physically — using a special key combination or a hardware switch. This is the fastest way if the problem is caused by an accidental shutdown.
Find the key on your laptop keyboard Fn (usually located in the lower left corner) and one of the function keys F1–F12 with an antenna icon (📶). G50-70 this is most often F7 or F2. Press Fn and press this key—the Wi-Fi indicator should turn on or off. If there's no indicator, refer to the Windows notification.
Also check the side panels of the laptop for mechanical switch (slider or button). On some modifications G50-70 It is located on the right or in front. The switch should be in the position "ON" (on) - this is usually indicated by an orange or blue mark.
- 🔑 Key combination:
Fn + F7(or another key with 📶). Press and hold for 2-3 seconds. - 🔄 Switch: Find the slider with the inscription on the body
WirelessorWi-Fi. - 💡 Indicator: If after pressing the blue/white LED lights up, the adapter is turned on.
⚠️ Attention: If the keysFnthey don't work, the function may be disabledHotKeyin the BIOS. To enable it, press when booting the laptop.F2(orDel), find the sectionConfiguration→HotKey Modeand set the valueEnabled.
2. Check Airplane mode and Windows network settings
A common reason for the absence of Wi-Fi is that it is activated Airplane modeIt disables all wireless connections, including Bluetooth and mobile data. To check its status:
- Click on the network icon in the lower right corner of the screen (next to the clock).
- If there is an item in the list
Airplane modeand it is highlighted in blue - click on it to disable it. - You can also use a combination
Win + A(opens the Notification Center) and deactivate the mode there.
If the mode is disabled, but Wi-Fi still doesn't work, check the adapter settings:
- Open
Control Panel→Network and Internet→Network and Control Center.... - Select
Changing adapter settings. - Find
Wireless network(Wi-Fi) and make sure its status is -IncludedIf not, right-click and selectTurn on.
Make sure Airplane mode is turned off|
Check the status of your wireless adapter in Network and Sharing Center |
Restart your laptop after changes|
Try connecting to another network (for example, from a phone)
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3. Update or reinstall Wi-Fi drivers
If hardware methods do not help, the problem may be in wireless adapter driversOn . Lenovo G50-70 most commonly used network card from Qualcomm Atheros, Intel or BroadcomThe drivers could have been deleted after a Windows update or due to a virus.
First, check the current driver status:
- Click
Win + Xand selectdevice Manager. - Expand the branch
Network adapters. - Find the device with the names
Wireless,Wi-Fior802.11If there's a yellow exclamation mark next to it, the driver isn't working properly.
To update the driver:
- 🔄 Automatically: Right-click on the adapter →
Update driver→Automatic search. - 💾 Manually: download the driver from Lenovo's official website (specify the exact laptop model) and install it.
- 🧹 Reinstallation: uninstall the current driver (right click →
Remove device), then restart your laptop - Windows will try to install it again.
| Symptom | Probable cause | Solution |
|---|---|---|
| Wi-Fi is listed but doesn't connect. | Outdated driver | Update the driver manually |
| There is no Wi-Fi icon in the tray | The driver is missing or disabled | Reinstall the driver |
| The network connects, but there is no internet access. | Incorrect IP settings | Reset network settings (ipconfig /release → ipconfig /renew) |
| The Wi-Fi indicator is not lit and the adapter is not detected. | Hardware failure or BIOS shutdown | Check the BIOS, contact the service center |
⚠️ Attention: If after updating the driver Wi-Fi stops working completely, roll back the changes:Device ManagerselectProperties→Roll back the driverIf the button is inactive, install the previous version manually.
4. Enabling Wi-Fi via BIOS (if the adapter is disabled at the system level)
In rare cases, the wireless module may be disabled in the BIOS settings. This can happen after a factory reset, a firmware update, or due to a virus. To check:
- Restart your laptop and when the logo appears Lenovo click
F2(orDel, IfF2(doesn't work). - In the BIOS menu, find the section
Advanced→WirelessorOnboard Devices. - Make sure the parameter
Wireless LAN(orWi-Fi) is installed inEnabled. - Save changes (
F10) and restart the laptop.
If there's no such setting in the BIOS, the adapter isn't disabled at this level. Return to the previous methods.
What should I do if I can't enter BIOS?
If the laptop does not respond to F2 or Del, try:
1. Disable fast loading in Windows: Control Panel → Power Options → Choose what the power buttons do → Change unavailable settings → uncheck Enable fast startup.
2. Use emergency menu: hold down while booting Shift and click Reboot on the menu Start, then select Diagnostics → Advanced Options → UEFI Firmware Settings.
5. Troubleshooting: Why Wi-Fi Won't Turn On
If none of these methods help, the problem may be more serious. Here are typical problems and their symptoms:
- 🔌 Adapter power supply problem: The Wi-Fi indicator is not lit, the adapter is not detected
Device ManagerPerhaps the cable has come loose or the module has burned out. - 🦠 Virus software: Wi-Fi turns on but then immediately turns off or becomes unstable. Check your system with an antivirus (e.g. Kaspersky Virus Removal Tool).
- 🔄 Conflict with other software: The problems started after installing a program (for example, a VPN or network utilities). Try uninstalling it.
- 📡 Router malfunction: The laptop won't connect to any networks, but other devices work fine. Restart the router or reset its settings.
For in-depth diagnostics:
- Connect your laptop to the router via cable and check if the internet is working. If so, the problem is definitely with the Wi-Fi adapter.
- Download LiveCD with Linux (for example, Ubuntu) and check if Wi-Fi is detected in another OS. If not, there's a hardware issue.
- Check the Windows event log:
Control Panel → Administrative Tools → Event Viewer → Windows Logs → SystemLook for errors with the sourceNetwtw04orWLAN-AutoConfig.
netsh winsock resetnetsh int ip reset
ipconfig /flushdns
After rebooting, check Wi-Fi again.-->
6. Alternative ways to connect to the Internet
If you turn on Wi-Fi on Lenovo G50-70 If it didn't work, but you urgently need internet, try alternative methods:
- 📱 USB modem: connect your smartphone via USB and activate
Modem modein the phone settings. - 🔌 Cable connection: connect the laptop to the router with a patch cord (cable)
RJ-45). - 🔄 Bluetooth Internet: If your laptop has Bluetooth, you can share the Internet from your smartphone using this technology (the speed will be lower than via Wi-Fi).
- 💿 3G/4G modem: USB modem from a mobile operator (for example, Megaphone or Beeline).
A USB modem or cable connection may require network configuration. If the IP address isn't assigned automatically, set it manually:
- Open
Control Panel → Network and Sharing Center → Change adapter settings. - Right click on
Ethernet(orLocal Area Network Connection) →Properties. - Select
Internet Protocol version 4 (TCP/IPv4)→Properties. - Check the boxes
Obtain an IP address automaticallyAndObtain DNS server address automatically.
7. When to contact the service center
If you have tried all the methods, but Wi-Fi is not working Lenovo G50-70 If it still doesn't work, the problem may require professional attention. Contact a service center if:
- 🔧 The adapter is not detected in
Device Manager, and reinstalling the drivers does not help. - 💥 The laptop crashes or reboots when trying to turn on Wi-Fi.
- 🔥 There is a feeling of heat or a burning smell on the case near the Wi-Fi antennas.
- 📉 Internet speed is critically low (less than 1 Mbps) even near the router.
The cost of repairs depends on the cause:
| Malfunction | Estimated cost of repairs (2026) | Term |
|---|---|---|
| Replacing the Wi-Fi module | 1 500–3 000 ₽ | 1–2 days |
| Re-soldering antennas | 1 000–2 500 ₽ | 2-3 days |
| Dust cleaning + thermal paste replacement | 800–1 500 ₽ | Day 1 |
| Diagnostics + BIOS reflashing | 500–1 200 ₽ | Day 1 |
⚠️ Attention: Before visiting a service center, back up your data! Technicians may reset your BIOS settings or reinstall Windows, which could result in the loss of files on your system drive.
Lenovo G50-70 Wi-Fi FAQ
Why did Wi-Fi stop working after a Windows update?
Windows updates often reset drivers or install incompatible versions. Try:
- Roll back the system to a restore point (
Start → Settings → Update & Security → Recovery). - Uninstall the current driver and install it from Lenovo's official website.
- Disable automatic driver updates:
Control Panel → System → Advanced system settings → Hardware → Device installation settings→ selectNo, provide a choice.
Is it possible to replace the Wi-Fi module on the Lenovo G50-70 yourself?
Yes, but it requires care. The module is located under the laptop's back cover (usually near the fan). Compatible models:
- Intel Wireless-N 7260 (supports Wi-Fi 5, up to 867 Mbps)
- Broadcom BCM43142 (original for many modifications G50-70)
- Qualcomm Atheros QCA9377 (budget option)
Before replacing, disconnect the battery and power supply! The module is secured with one screw and connected via M.2 (NGFF) connector.
My laptop sees networks but won't connect—it says "Unable to connect." What should I do?
Reasons and solutions:
- 🔑 Incorrect password: Delete the network in the settings and reconnect.
- 📶 Weak signal: Move closer to the router or change the channel in the router settings (for example, from
Autoon6or11). - 🔒 MAC address filtering: Add the laptop's MAC address to the list of allowed devices on the router.
- 🔄 IP conflict: in the command line, run
ipconfig /release, thenipconfig /renew.
How do I reset my network settings to factory defaults?
Method 1 (via Windows):
- Open
Settings → Network & Internet → Status. - Click
Network reset→Reset now.
Method 2 (via command line):
netsh int ip resetnetsh winsock reset
ipconfig /flushdns
After reset, restart your laptop.
Where can I find the MAC address of my Lenovo G50-70 Wi-Fi adapter?
The MAC address is needed for binding to the router or for diagnostics. To find it:
- Open
Command line(Win + R→ entercmd). - Run the command:
ipconfig /all. - Find the block
Wireless LAN adapter- linePhysical addressand there is MAC.
You can also find the MAC on the sticker under the battery (if it is not erased).