Updated by Violet on Jun 09, 2026 3476 Views

Need to download or update the Qualcomm Atheros QCA9377 driver for Windows 10 or 11? This guide covers how to find the correct driver from your laptop manufacturer's site, update via Windows Update, use Driver Talent for automatic installation, and fix common issues like Wi-Fi disconnects, slow speeds, and driver compatibility problems.


What is Qualcomm Atheros QCA9377 Wireless Network Adapter?


The Qualcomm Atheros QCA9377 Wireless Network Adapter is a compact, single-chip solution that supports 1x1 802.11ac Wi-Fi and Bluetooth 4.1 connectivity. It is commonly embedded in various budget and mid-range laptops from brands like HP, Dell, Acer, Lenovo, and ASUS. Supporting dual-band connectivity (2.4GHz and 5GHz), the QCA9377 is designed for power efficiency and seamless wireless communication, especially for users who need dependable internet for streaming, browsing, or light gaming.


Why You Need the Correct Driver for Qualcomm Atheros QCA9377


The driver for Qualcomm Atheros QCA9377 acts as a communication bridge between the Windows operating system and the hardware adapter. If the driver is outdated, missing, or incompatible, the wireless functionality may degrade or stop working entirely. With the correct and up-to-date driver, users can ensure:


- Stable wireless connections

- Improved internet speed

- Fewer drops and disconnects

- Compatibility with the latest Windows updates

- Improved security and bug fixes


How to Check If You Have Qualcomm Atheros QCA9377 Installed


Before proceeding with the driver installation, verify if your system uses the QCA9377 wireless adapter:


1. Press Win + X and select Device Manager.

2. Expand the Network adapters section.


network-adapter


3. Look for Qualcomm Atheros QCA9377 Wireless Network Adapter.


If it's listed, you can proceed with installing or updating the correct driver. If it's not, check your manufacturer's specifications to confirm your device model.


Where to Download the Qualcomm Atheros QCA9377 Driver


Option 1: Official Laptop Manufacturer's Website


Laptop brands usually customize the driver for better compatibility with their hardware. Visit your device manufacturer's support page (e.g., HP, Dell, Lenovo) and search for your exact model number. Download the latest Qualcomm Atheros QCA9377 driver for your Windows version (e.g., Windows 11, 10, 8.1).


Option 2: Windows Update


Sometimes Microsoft delivers driver updates via Windows Update:


1. Go to Settings > Update & Security > Windows Update.

2. Click on Check for updates.


window-10-update


3. If available, the QCA9377 driver will be installed automatically.


Option 3: Use a Trusted Driver Utility – Driver Talent


To simplify the driver process and avoid version conflicts, we recommend using Driver Talent—a powerful and user-friendly tool to automatically detect, download, and install the correct version of the Qualcomm Atheros QCA9377 wireless driver.


Steps:


Download


1. Download and install Driver Talent.

2. Launch the program and click Scan.

3. Once it detects the missing or outdated QCA9377 driver, click Download.

4. After downloading, click Install and then reboot your computer.


diagnose-driver-issues


How to Manually Install the Qualcomm Atheros QCA9377 Driver


If you downloaded the driver manually, follow these steps to install it:


1. Open Device Manager.


device-manager


2. Expand Network adapters.


network-adapter


3. Right-click on Qualcomm Atheros QCA9377 Wireless Network Adapter and choose Update driver.

4. Select Browse my computer for driver software.

5. Point to the folder where you downloaded the driver.

6. Follow on-screen instructions to complete the installation.

How to Roll Back the QCA9377 Driver


If a recent driver update causes problems, rolling back may fix it.


1. Open Device Manager.

2. Right-click the adapter > Properties > Driver tab.

3. Click Roll Back Driver if the option is available.


Best Practices to Maintain QCA9377 Driver Performance


- Regularly check for updates via the laptop manufacturer's support portal.

- Avoid generic drivers from unknown sources.

- Use a reliable driver updater like Driver Talent to automate maintenance.

- After major Windows updates, verify that the wireless driver is still working correctly.


Conclusion


Installing and maintaining the correct driver for Qualcomm Atheros QCA9377 is essential for ensuring smooth, reliable wireless performance. Whether you're experiencing connectivity issues or simply want to optimize your system, following this guide will help you get the most out of your wireless adapter. For the fastest, safest solution to all driver issues, we recommend using Driver Talent—your all-in-one driver manager that eliminates guesswork and keeps your system running smoothly.


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