DriverCove

KY-BT100 Bluetooth Adapter Driver 8.1.4222.0

by Toshiba8.1832-bitSHA-256 verified

Manufacturer
Toshiba
Device
KY-BT100 Bluetooth Adapter
Driver version
8.1.4222.0
Release date
June 22, 2014
Supported Windows
Windows 8.1, Windows 8
Architecture
32-bit (x86)
File size
78 KB
File name
20680038_f0db770412e60b611c430e292ba780740a257943.cab
Digital signature
Signed - catalog tosrfusb.cat
INF version
06/22/2014,8.1.4222.0
INF provider
TOSHIBA
Device class
BLUETOOTH
Source
Microsoft Update Catalog
Last verified
July 8, 2026
SHA-256
1b1b0784c1be37af3141730e5c9386b38e6904171e065046722475720c37ed75

Supported hardware IDs (169)

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) 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).