802.11bg Driver 2.0.0.140
by Atheros Communications Inc.8.18764-bitSHA-256 verified
- Manufacturer
- Atheros Communications Inc.
- Device
- 802.11bg
- Driver version
2.0.0.140- Release date
- May 3, 2007
- Supported Windows
- Windows 8.1, Windows 8, Windows 7
- Architecture
- 64-bit (x64)
- File size
- 288 KB
- File name
20048903_a935e16b600fa7ed48d8963fbf36170fef5f931a.cab- Digital signature
- Signed - catalog
athrxusbext.cat - INF version
05/03/2007,2.0.0.140- INF provider
- Atheros Communications Inc.
- Device class
- Net
- Source
- Microsoft Update Catalog
- Last verified
- July 8, 2026
- SHA-256
33eb061599c2850cf5fc594f738b0e62a24cd9966bbf7b15a94ab4b2b14ce568
Supported hardware IDs (1)
Compare with your device: Device Manager → right-click the device → Properties → Details → Hardware Ids. If one of the values above matches, this driver supports your hardware.
How to install
- Create a restore point(Start → "Create a restore point" → Create), so you can roll back if anything goes wrong.
- Verify compatibility: your Windows version (Windows 8.1, Windows 8, Windows 7) and architecture (x64)must match this driver, and your device's Hardware ID should appear in the list above.
- Download the file using the button - it comes directly from Microsoft Update Catalog.
- Optionally verify the checksum: open PowerShell, run
Get-FileHash your-download.cab -Algorithm SHA256and compare with the SHA-256 above. - Extract the .cab archive: right-click → Extract All, or run
expand -F:* file.cab C:\driver\in Command Prompt. - Install via Device Manager: right-click your device → Update driver → Browse my computer → point to the extracted folder. Alternatively run
pnputil /add-driver C:\driver\*.inf /install. - Check Device Manager: the device should show no warning icons, and the driver version should match.
How to roll back
If the device stops working after the update: Device Manager → right-click the device → Properties → Driver tab → Roll Back Driver. If the button is greyed out, use the restore point from step 1 (Start → "Recovery" → Open System Restore).