DriverCove

Realtek Semiconductor Corp. - Network - Realtek RTL8191SU Wireless LAN 802.11 USB 2.0 Network Adapter Driver 1086.37.1105.2010

by Realtek8732-bitSHA-256 verified

Manufacturer
Realtek
Device
Realtek Semiconductor Corp. - Network - Realtek RTL8191SU Wireless LAN 802.11 USB 2.0 Network Adapter
Driver version
1086.37.1105.2010
Release date
November 5, 2010
Supported Windows
Windows 8, Windows 7
Architecture
32-bit (x86)
File size
288 KB
File name
20394111_0501d965d2c7ee05a10ab9a903880a5e34c255d6.cab
INF version
11/05/2010,1086.37.1105.2010
INF provider
Realtek Semiconductor Corp.
Device class
Net
Source
Microsoft Update Catalog
Last verified
July 7, 2026
SHA-256
97712eb549d5cacd226751bc896ed8df97c62877408aba99abcb15807aa9dde8

Supported hardware IDs (83)

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

  1. Create a restore point(Start → "Create a restore point" → Create), so you can roll back if anything goes wrong.
  2. Verify compatibility: your Windows version (Windows 8, Windows 7) and architecture (x86)must match this driver, and your device's Hardware ID should appear in the list above.
  3. Download the file using the button - it comes directly from Microsoft Update Catalog.
  4. Optionally verify the checksum: open PowerShell, run Get-FileHash your-download.cab -Algorithm SHA256 and compare with the SHA-256 above.
  5. Extract the .cab archive: right-click → Extract All, or run expand -F:* file.cab C:\driver\ in Command Prompt.
  6. 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.
  7. 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).