DriverCove

Cobalt - Bus Controllers and Ports - WDF Driver for Buffalo DH1U2 Driver 4.0.3.9

by Cobalt8.18764-bit32-bitSHA-256 verified

Manufacturer
Cobalt
Device
Cobalt - Bus Controllers and Ports - WDF Driver for Buffalo DH1U2
Driver version
4.0.3.9
Release date
May 11, 2007
Supported Windows
Windows 8.1, Windows 8, Windows 7
Architecture
64-bit (x64), 32-bit (x86)
File size
5.9 MB
File name
20068261_8051fc804142249db97280c196e78b1ccdd012fa.cab
INF version
05/11/2007,4.0.3.9
INF provider
Cobalt
Device class
USB
Source
Microsoft Update Catalog
Last verified
July 8, 2026
SHA-256
634e300d044431d1a1770b85723812e85f6be34b7684c9c5283cfdfaacc6d538

Supported hardware IDs (9)

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 8.1, Windows 8, Windows 7) and architecture (x64, 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).