Thanks again,
Already restarted..
In USB camera is not appearing.
When i have started Face time all other chat applications were in use as you have suggested.
And in video menu again everything is disable.
Kindly advise.
this is the screen short of USB
Yogesh’s MacBook Air
13/08/15 1:24 pm
USB:
USB 3.0 SuperSpeed Bus:
Host Controller Location: Built-in USB
Host Controller Driver: AppleUSBXHCI
PCI Device ID: 0x1e31
PCI Revision ID: 0x0004
PCI Vendor ID: 0x8086
Bus Number: 0x0a
USB 3.0 Hi-Speed Bus:
Host Controller Location: Built-in USB
Host Controller Driver: AppleUSBXHCI
PCI Device ID: 0x1e31
PCI Revision ID: 0x0004
PCI Vendor ID: 0x8086
Bus Number: 0x0a
USB Hi-Speed Bus:
Host Controller Location: Built-in USB
Host Controller Driver: AppleUSBEHCI
PCI Device ID: 0x1e26
PCI Revision ID: 0x0004
PCI Vendor ID: 0x8086
Bus Number: 0x1d
Hub:
Product ID: 0x0024
Vendor ID: 0x8087 (Intel Corporation)
Version: 0.00
Speed: Up to 480 Mb/sec
Location ID: 0x1d100000 / 2
Current Available (mA): 500
Current Required (mA): 0
Built-In: Yes
Hub:
Product ID: 0x2512
Vendor ID: 0x0424 (SMSC)
Version: b.b3
Speed: Up to 480 Mb/sec
Location ID: 0x1d180000 / 3
Current Available (mA): 500
Current Required (mA): 2
Built-In: Yes
BRCM20702 Hub:
Product ID: 0x4500
Vendor ID: 0x0a5c (Broadcom Corp.)
Version: 1.00
Speed: Up to 12 Mb/sec
Manufacturer: Apple Inc.
Location ID: 0x1d181000 / 5
Current Available (mA): 500
Current Required (mA): 94
Built-In: Yes
Bluetooth USB Host Controller:
Product ID: 0x821f
Vendor ID: 0x05ac (Apple Inc.)
Version: 1.50
Speed: Up to 12 Mb/sec
Manufacturer: Apple Inc.
Location ID: 0x1d181300 / 8
Current Available (mA): 500
Current Required (mA): 0
Built-In: Yes
Apple Internal Keyboard / Trackpad:
Product ID: 0x0249
Vendor ID: 0x05ac (Apple Inc.)
Version: 2.19
Speed: Up to 12 Mb/sec
Manufacturer: Apple Inc.
Location ID: 0x1d182000 / 4
Current Available (mA): 500
Current Required (mA): 40
Built-In: Yes
USB Hi-Speed Bus:
Host Controller Location: Built-in USB
Host Controller Driver: AppleUSBEHCI
PCI Device ID: 0x1e2d
PCI Revision ID: 0x0004
PCI Vendor ID: 0x8086
Bus Number: 0x1a
Hub:
Product ID: 0x0024
Vendor ID: 0x8087 (Intel Corporation)
Version: 0.00
Speed: Up to 480 Mb/sec
Location ID: 0x1a100000 / 2
Current Available (mA): 500
Current Required (mA): 0
Built-In: Yes