How to Update the Realtek 8821CE 802.11ac Wireless LAN Driver?
Jun. 29, 2025 / Updated by Seraphina to Windows Driver Solutions
The Realtek 8821CE is a common wireless network card found in many laptops, supporting high-speed 802.11ac Wi-Fi. However, if the driver is outdated, users may experience slow internet speeds, frequent disconnections, or failure to connect to Wi-Fi.
To maintain a stable connection, keeping the driver updated is essential. This article introduces several simple methods to help you update the driver easily and restore smooth wireless performance.
1. Why Should You Update the Realtek 8821CE Driver?
Updating the wireless driver provides several key benefits:
Fixes issues like Wi-Fi disconnection or inability to connect
Improves internet speed and signal stability
Resolves compatibility issues with Windows 10/11
Prevents system crashes, blue screens, and connection interruptions
2. Methods to Update the Realtek 8821CE Driver
Method 1: Use a Driver Management Tool
For users who are unfamiliar with manual driver updates, tools like Driver Talent are recommended. This software automatically detects and updates drivers, reducing the risk of downloading or installing the wrong version.
Download the latest version of Driver Talent. After installation, open the software and click "Scan".
Once the scan is complete, it will display all missing or outdated drivers. Find the wireless adapter in the list and click "Update".
After updating, restart your computer to ensure the changes take effect.
Method 2: Download the Driver from the Realtek Website
Open your browser and go to the Realtek official website.
Navigate to the "Download" > "Communications Network ICs" section.
Locate the 8821CE wireless LAN driver.
Choose the version that matches your operating system (e.g., Windows 10/11 64-bit).
Click "Download" to get the latest driver.
Run the installer, or go to Device Manager > Browse my computer for drivers to install manually.
Restart your computer after installation to apply changes.
Method 3: Update via Device Manager
Press Win + X and select Device Manager.
Expand "Network adapters" and locate Realtek 8821CE Wireless LAN 802.11ac PCI-E NIC.
Right-click it and choose "Update driver".
Select "Search automatically for drivers".
If an update is available, Windows will download and install it automatically.
Note: This method relies on the Windows update database and may not always install the latest version.
3. How to Verify If the Driver Update Was Successful
Open Device Manager and find Realtek 8821CE.
Right-click > Properties > Driver tab.
Check the driver date and version number to confirm it's the latest.
Test your Wi-Fi connection for improved stability and signal strength.
The Realtek 8821CE is a widely used wireless adapter, but outdated or improperly installed drivers can disrupt connectivity.
By using driver management tools, Device Manager, or downloading from the official site, most Wi-Fi issues can be resolved quickly. It's recommended to check for updates regularly to ensure long-term stability of your wireless network.
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Computer Stuck on Motherboard Screen? Try These Methods
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