802.11n WLAN adapter not working is one of the network or WiFi issues after the Windows 10 upgrade or update like Fall Creators Update, Creators Update, Anniversary Update, etc. In this case, Windows users fail to connect khổng lồ wireless or network supporting 802.11n, which interrupts their office work or other networking usage, lượt thích the Microsoft Edge not working or the Google Chrome not working.

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What is 802.11 WLAN Standard and What is 802.11n WLAN Adapter Used for

802.11 is a standard for WLAN communications, which provides the basis for wireless network products using the Wi-Fi brand. There are several specifications in the 802.11 family, including 802.11a, 802.11b, 802.11g, 802.11n, 802.11ac, etc.

If your wireless router or USB WiFi adapter supports 802.11n, it is able to work in both the 2.4 GHz and 5 GHz frequency bands & increase the network transmission speeds. But if you encounter the 802.11n WLAN adapter not working or "This device cannot start (Code 10)" issue, the network will be slow or there will be no WiFi or unidentified network or "No Internet, secured" error.

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How khổng lồ Fix 802.11n WLAN Adapter Not Working Issue

We"ve had top 4 methods for you khổng lồ fix 802.11n WLAN adapter/WiFi not working on your computer running Windows 10 Fall Creators Update/Creators Update/Anniversary Update. Follow the workarounds below to lớn enable 802.11n connection & improve the network tốc độ.

Method 1: Update 802.11n WLAN adapter driver for Windows 10

Outdated 802.11n driver will cause various WiFi issues, including the 802.11n wireless LAN card not working. Besides, it will also result in computer problems like random restarts, Windows 10 slow boot issue, 100% disk usage, etc. You can update the 802.11n WLAN adapter driver manually or with a one-clichồng solution.

Manually Update the Driver

Step 1. Go to the Device Manager & find your 802.11n WLAN adapter.

Step 2. Right cliông chồng on it và select Update Driver Software.

Step 3. Both the two choices are available. You could make Windows update the driver, but if it fails khổng lồ do that, you need to lớn download and install the driver with the second option.


Automatically Update the Driver

If Windows fails to update the driver, or if you fail to download the correct 802.11n WLAN driver update for your Windows 10, you can use Driver Talent, with which you can one-cliông xã update the driver instantly and save sầu your time on this issue.

Click the button below to lớn directly tải về such safe Windows 10 driver troubleshooter.

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Here are 3 easy steps lớn update the driver:

Step 1. Launch Driver Talent and click on the Scan to detect faulty drivers.


Step 2. Clichồng on the Update to download and install the lathử nghiệm 802.11n driver.


Step 3. Restart the PC khổng lồ ensure the new driver takes effect.

After the update has finished, repeat method 3 to enable the 802.11n mode và see if the 802.11n WLAN adapter not working issue still persists.

Method 2: Cheông xã Hardware Related lớn the 802.11n WLAN Adapter

First & foremost, you need lớn kiểm tra hardware related to lớn the 802.11n WLAN adapter.

1. Chechồng the wireless router. Make sure the device is connected correctly. A reset of the router can also be helpful.

2. Make sure the switch button of the wireless thẻ has been ON, or the 802.11n USB WiFi adapter is right in the port. You can also plug the wireless thẻ out và then re-plug it in. Note: If the WLAN adapter is too old, it may not be able lớn support 802.11n. So use a new one khổng lồ replace it.

3. Make sure the PC is working in an appropriate WiFi environment. You can also tương tác with your network operator for the current network condition.

This related article may also interest you:Fix “WiFi Doesn’t Have a Valid IP Configuration” on Windows 10

Method 3: Troubleshoot 802.11n WLAN Adapter Not Working Issue via Windows

Windows 10 provides a handy tool, Troubleshooting, with which you can make Windows scan fix some network issues like no WiFi error, no website page access problem, WiFi adapter not working issue, etc. automatically. You can find the tool in the Control Panel, but here"s an easy way to lớn access to it.

Step 1. Right cliông chồng on the network or WiFi ibé in the notification area.

Step 2. Select Troubleshoot problems.


Step 3. Choose I"m having a different problem khung the pop-up dialog box.

Step 4. Choose Use a specific network adapter.


Step 5. Select the adapter WLAN.

Step 6. Click on the button Next.

Step 7. Choose Apply this fix if Windows notice you 802.11n WLAN adapter related information. Or follow the onscreen steps to fix the problem.

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Method 4: Enable the 802.11n Mode Wireless Connection

If the 802.11n mode in the wireless settings is disabled by default, it can also result in the 802.11n WLAN adapter not working issue. So go to the Network Connections & bởi the following check:

Step 1. Use Windows shortcut keysWin + X lớn launch the Jump List.

Step 2. Select Network Connections.

Step 3. Right cliông chồng on your WLAN adapter & select Properties.

Step 4. When the dialog box pops up, cliông chồng on the Configure button.

Step 5. Choose the Advanced tab.

Step 6. Navigate khổng lồ the 802.11n Mode from the các mục.

Step 7. Highlight the mode & select Enable from the drop-down thực đơn of Value.


If the 802.11n Mode doesn"t appear, you need to update the firmware or the 802.11n WLAN adapter driver.

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See Also: How to lớn Download 802.11n WLAN Driver for Windows 7

Hope this helps you fix the 802.11n wireless LAN thẻ not working issue & make your WiFi available again. If you still fail to fix the 802.11n WLAN adapter not working issue on Windows 10 with the methods above, you can go to lớn the LEFT MENU for special technical tư vấn or comment below. If you have sầu any other Windows 10-related issues, phản hồi below or kiểm tra for solutions in Windows 10 Issues and Fix.