Bluetooth working in Mavericks and Yosemite but NOT in El Capitan

[ammar_dv]

my Laptop is : Fujitsu LifeBook AH530 , with the following specifications :

 

CPU : ( Arrandale ) Intel Core i3 350M

Graphics Adapter: Intel Graphics HD 2000

Display: 15.6 inch, 16:9, 1366x768 pixels,

Audio : Realtek® codec ALC269

Atheros AR9285 Wireless Network Adapter

 

the following is the bluetooth information when I installed Mavericks 10.9 :

 

Apple Bluetooth Software Version: 4.2.0f6 12982

  Hardware Settings:

  Address: B4-82-FE-DA-B5-05

  Manufacturer: Cambridge Silicon Radio

  Name: A's Mac Pro

  Firmware Version: 5276

  Bluetooth Power: On

  Discoverable: Off

  Connectable: Yes

  Auto Seek Keyboard: Off

  Auto Seek Pointing: Off

  Remote wake: On

  Vendor ID: 0x1690

  Product ID: 0x0741

  HCI Version: 0x4

  HCI Revision: 0x149C

  LMP Version: 0x4

  LMP Subversion: 0x149C

  Device Type (Major): Computer

  Device Type (Complete): Mac Portable

  Composite Class Of Device: 0x38010C

  Device Class (Major): 0x01

  Device Class (Minor): 0x03

  Service Class: 0x1C0

 

and here are some devices IDs that might be useful to identify the problem :

 

03:00.0 Network controller [0280]: Qualcomm Atheros AR9285 Wireless Network Adapter (PCI-Express) 

[168c:002b] (rev 01)

 

07:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller 

[10ec:8168] (rev 06)

 

 

when I installed El Capitan OS X 10.11 , bluetooth never worked , despite it was working in previous OS X versions such as Yosemite and Mavericks . (LAN & wifi works fine) .

 

 

any one knows the solution for this problem please ?

[PippoX0]

On el capitan something is changed on usb , so try to use usb2.0

Or try to find a kext specific for el cap.

[ammar_dv]

, so try to use usb2.0

.

what do you mean by "try to use usb2.0" ?