ISSC Bluetooth USB Adapter Driver
Download for Windows — free, fast, always up-to-date
On This Page
The ISSC Bluetooth USB Adapter driver lets Windows recognize the adapter and communicate with compatible Bluetooth devices, such as mice, keyboards, and headsets. If your adapter appears as an unknown device, fails to pair, or stops working after a system change, installing a matching driver may help restore its functionality. This page lists the device under Qualcomm Atheros, with supported operating systems including Windows 10, 8.1, 7, Vista, and XP.
Key Features
- Adapter recognition: Provides the software Windows needs to identify and use the ISSC Bluetooth USB Adapter.
- Wireless connectivity: Enables connections to supported Bluetooth peripherals, depending on the adapter’s capabilities and the Bluetooth software installed.
- Connection troubleshooting: Replacing a missing, damaged, or incompatible driver may resolve detection and pairing problems.
- Support for multiple Windows releases: Driver options cover the listed operating systems, but each package must match your Windows version and system architecture.
How to Install ISSC Bluetooth USB Adapter Driver
- Check your Windows version. Confirm your operating system and whether it is 32-bit or 64-bit. If you are comparing Windows 10/11 compatibility, note that Windows 11 is not included in the supplied support list; do not assume a Windows 10 package will work.
- Verify the adapter. Open Device Manager and locate the Bluetooth adapter or unknown USB device. Check its hardware IDs under Properties > Details to help confirm that the driver package matches your hardware.
- Choose the correct package. Before starting an ISSC Bluetooth USB Adapter driver download for Windows, review the compatibility information. Choose the latest version that explicitly supports your adapter and operating system, rather than relying on a “free download” label alone.
- Install the driver. Extract the downloaded archive if necessary. Run the included installer, or use Device Manager > Update driver > Browse my computer for drivers and select the extracted driver folder. Older Windows releases may use slightly different menu wording.
- Restart and test. Restart Windows if prompted, then check Device Manager for warning icons. Turn on a compatible Bluetooth device and try pairing it to confirm normal operation.
Keep the driver updated when a compatible release addresses a problem you are experiencing or adds needed support. Before an update, create a restore point and retain the working installer so you can recover if the new package causes connection issues.
Common Issues and Fixes
- Install fails or rolls back: Run the Qualcomm Atheros/ISSC setup as administrator, temporarily disable antivirus, and keep the USB adapter plugged in. Verify the driver package is signed for your Windows version.
- Adapter not detected: In Device Manager, check for an Unknown Device or Bluetooth radio with a warning. Use a direct USB 2.0 port (not a hub), unplug/replug the adapter, then reinstall the driver.
- Version conflicts: Uninstall any existing Bluetooth radio and ISSC/Qualcomm Atheros driver, select “Delete driver software,” restart, then install the correct package. Prevent Windows Update from reinstalling the generic driver until setup completes.
Driver Details
| Device | ISSC Bluetooth USB Adapter |
|---|---|
| Vendor | Qualcomm Atheros |
| Category | Other |
| Supported OS | Windows 10, 8.1, 7, Vista, XP |
| Published | October 30, 2026 |
| Updated | October 30, 2026 |