Qualcomm atheros wlan driver running high cpu

Troubleshooting High CPU Usage with Qualcomm Atheros WLAN Driver on Gateway Laptops

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If your Gateway laptop's Wi-Fi connection is using an abnormally high amount of CPU resources, one potential culprit to investigate is the Qualcomm Atheros Wireless LAN (WLAN) driver. In this article, we'll walk through some steps to diagnose and possibly resolve this issue.

Symptoms and Causes

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Before diving into solutions, let's briefly cover what you might be experiencing:

* Your laptop's Wi-Fi adapter consistently consumes high CPU resources (often above 70-80%), leading to sluggish system performance.

* Other symptoms may include frequent disconnections from wireless networks or overall poor internet connectivity.

The Qualcomm Atheros WLAN driver is responsible for managing your computer's Wireless Local Area Network (WLAN) connection. Issues with this driver can cause a range of problems, including high CPU usage.

Troubleshooting Steps

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### Step 1: Update to the Latest Driver

First and foremost, ensure that you're running the latest version of the Qualcomm Atheros WLAN driver for your Gateway laptop. You can download the most recent drivers from the official 'Gateway Support - Downloads'(https://support.gateway.com/) page.

To update:

1. Visit the Gateway website's support section.

2. Click on 'Drivers & Software.'

3. Select your computer model and operating system (in this case, Windows 7 Ultimate x64).

4. Look for 'Wireless' or 'Networking' under the drivers list.

5. Find and download the Qualcomm Atheros Wireless LAN driver.

### Step 2: Roll Back to a Previous Driver

If updating doesn't resolve your issue, try rolling back your WLAN driver to an earlier version that was previously working correctly. This step can help you isolate whether the problem lies with the latest drivers or if there's another factor at play:

1. Go to 'Control Panel' > 'Programs and Features' (or 'Add/Remove Programs').

2. In the list of installed programs, look for entries containing 'Qualcomm Atheros WLAN Driver'.

3. Right-click on each relevant entry.

4. Select 'Uninstall'.

Once uninstalled, restart your computer.

### Step 3: Disable and Re-enable the Wireless Adapter

Disabling and re-enabling your Wi-Fi adapter can sometimes resolve connectivity issues:

1. Click on Start > Device Manager (or type 'Device Manager' in the search bar).

2. In the list of devices, expand 'Network Adapters'.

3. Right-click on your Qualcomm A3780 Wireless LAN Adapter.

4. Select 'Disable device'.

Wait for a few seconds and then enable it again.

### Step 4: Use the Built-in Driver

If all else fails, try using Windows' built-in WLAN driver instead of third-party software:

1. Open Device Manager (as described above).

2. In the list of devices, right-click on your Qualcomm A3780 Wireless LAN Adapter.

3. Select 'Update driver'.

4. Choose 'Let me choose from a list of available drivers' and then select 'Show all other drivers - let me pick'.

In some cases, reverting back to Windows' native WLAN driver can resolve compatibility issues.

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High CPU usage caused by the Qualcomm Atheros WLAN driver is more common than you might think. By following these simple troubleshooting steps outlined above, you should be able to identify and possibly fix this issue on your Gateway laptop running Windows 7 Ultimate x64. Remember that drivers are constantly being updated with security patches and bug fixes, so keep an eye out for updates from both Qualcomm Atheros and Microsoft to ensure optimal performance.

If none of these solutions work, consider seeking further assistance from a professional computer technician or reaching out directly to either Gateway's customer support team or the manufacturer of your laptop.

Qualcomm atheros wlan driver running high cpu