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Depending on your specific hardware, use one of the following official or high-compatibility drivers: Broadcom Bluetooth Driver : This is the most common driver for this series. : 6.2.1.500 Compatibility : Windows 7 (32-bit and 64-bit). : Available at Softpedia (Broadcom) Atheros Bluetooth Driver : Used in certain localized configurations. : 7.4.0.96 Compatibility : Windows 7 (32-bit and 64-bit). : Often bundled within the Acer Support Portal under the "Bluetooth" category. 3. Installation Steps the appropriate acer aspire 4730z bluetooth driver windows 7