Welch Allyn - WAUSB - 4 5 2018 12:00:00 AM - 1.9.12.0 Driver 1.9.12.0
by Welch AllynWindows 1064-bit32-bitSHA-256 verified
- Manufacturer
- Welch Allyn
- Device
- Welch Allyn - WAUSB - 4 5 2018 12:00:00 AM - 1.9.12.0
- Driver version
1.9.12.0- Release date
- April 5, 2018
- Supported Windows
- Windows 10
- Architecture
- 64-bit (x64), 32-bit (x86)
- File size
- 329 KB
- File name
e75e2a98-ca31-4292-9f50-4cacc4dba943_6e4ee899ea2d42f77ed10d9c45fd368cf4c3ee25.cab- Digital signature
- Signed - catalog
wausb.cat - INF version
04/05/2018,1.9.12.0- INF provider
- Welch Allyn
- Device class
- WAUSB
- Source
- Microsoft Update Catalog
- Last verified
- July 8, 2026
- SHA-256
8c9f637dabd4e42671a4f0b75814cc024b218acc862c06b5da7319c30d60e738
Supported hardware IDs (10)
- USB\VID_0770&PID_1100
- USB\VID_0770&PID_1115
- USB\VID_0770&PID_0450
- USB\VID_0770&PID_1035
- USB\VID_0770&PID_1040
- USB\VID_0770&PID_1110
- USB\VID_0770&PID_0008
- USB\VID_0770&PID_1111
- USB\VID_0770&PID_0100&MI_02
- USB\VID_0770&PID_1040&MI_00
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 10) and architecture (x64, x86)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).