Acer Aspire 3750, 3750Z, 3750G, 3750ZG Unknown Device XP, Vista, 7

Acer Aspire 3750, 3750Z, 3750G, 3750ZG unknown device driver for download:

Bluetooth
»CSR Bluetooth vista / 7
»CSR Bluetooth xp

Unknown device: device manager > others device
USB
»USB driver 1
or
»USB driver 2

Tq...