💻 This driver download is available for Windows PCs.
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At a Glance
DeviceCSR Bluetooth Chip
VendorCSR
Supported OSWindows
VersionLatest
File Size—
UpdatedOct 27, 2026
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The CSR Bluetooth Chip driver enables Windows to recognize your CSR Bluetooth hardware and communicate with nearby Bluetooth devices. Listed under the Network category, it supports Bluetooth connectivity for compatible accessories such as keyboards, mice, headsets, and phones. For Windows 11, 10, 8, or 7, choose a driver package that matches both your Windows version and the specific chip installed in your computer or USB adapter.
Key Features
- Bluetooth hardware recognition: Helps Windows identify the CSR Bluetooth Chip correctly rather than displaying it as an unknown device in Device Manager.
- Accessory pairing and communication: Provides the driver support needed to discover, pair, and exchange data with compatible Bluetooth peripherals.
- Support for Bluetooth functions: Enables supported tasks such as wireless input, audio connections, or file transfers, depending on the hardware, Windows Bluetooth stack, and connected device.
- Connection troubleshooting: Installing a suitable driver can help resolve issues caused by missing, damaged, or incompatible driver files.
How to Install
- Identify your hardware and Windows version. Open Device Manager and locate the Bluetooth adapter, which may appear under Bluetooth or Other devices. Check its hardware IDs under Properties > Details, then confirm your Windows version and whether it requires a 32-bit or 64-bit driver.
- Choose a matching driver package. Use a package intended for your CSR Bluetooth Chip variant and operating system. Compatibility can differ between adapters using CSR chips, so do not assume every CSR Bluetooth driver works with Windows 11, 10, 8, and 7.
- Extract and install the driver. If the download is compressed, extract it first. Run the included installer, if available, and follow its prompts. Keep a USB Bluetooth adapter connected unless the installer instructs you otherwise.
- Use Device Manager if needed. If no installer is supplied, right-click the adapter, select Update driver, and choose the option to browse your computer for drivers. Select the extracted folder and allow Windows to locate a compatible driver.
- Restart and test Bluetooth. Restart your computer if prompted, enable Bluetooth, and put an accessory into pairing mode. Confirm that the adapter appears without a warning icon in Device Manager, then test a connection.
If installation fails, verify the hardware ID and package compatibility before trying another driver. For Bluetooth hardware built into a laptop, the computer manufacturer’s recommended package may be the best match.
Common Issues and Fixes
- Install fails or rolls back: Run the CSR setup as administrator and in Windows compatibility mode for the matching OS version. Disconnect other Bluetooth adapters and remove existing CSR/Microsoft Bluetooth driver packages in Device Manager before retrying.
- Device not detected: Check Device Manager for unknown USB/Bluetooth devices, try a different USB port (avoid hubs), and confirm the Bluetooth Support Service is running. Reboot after unplugging and replugging the CSR adapter.
- Version conflicts: Uninstall old CSR Harmony/BlueSoleil or generic Microsoft Bluetooth entries, delete leftover driver packages, then install only one CSR driver version. Stop Windows Update from automatically replacing it.
Driver Details
| Device | CSR Bluetooth Chip |
|---|---|
| Vendor | CSR |
| Category | Network |
| Supported OS | Windows |
| Published | October 27, 2026 |
| Updated | October 27, 2026 |
💻 This driver download is available for Windows PCs.