every things work great exept wifi no kext for intel wifi

brightness key not work in keyboard ; (when sleep screen brightness set high automatically , without sleep screen brightness middle ) ? how i can fix that ?
i need to disable the ATI graphics completely throw DSDT please
RealtekRTL81xx.kext;0.0.90;RTL8111/8168B PCI Express Gigabit Ethernet controller;0200
VoodooHDA.kext;2.7.3;6 Series/C200 Series Chipset Family High Definition Audio Controller;0403
AppleUSBComposite.kext;4.5.8;6 Series/C200 Series Chipset Family USB Enhanced Host Controller #1;0c03
AppleUSBHub.kext;4.5.0;6 Series/C200 Series Chipset Family USB Enhanced Host Controller #1;0c03
AppleUSBEHCI.kext;4.5.8;6 Series/C200 Series Chipset Family USB Enhanced Host Controller #1;0c03
AppleIntelSNBGraphicsFB.kext;7.1.8;6 Series/C200 Series Chipset Family MEI Controller #1;0780
AppleIntelHD3000Graphics.kext;7.1.8;2nd Generation Core Processor Family Integrated Graphics Controller;0300
AppleUpstreamUserClient.kext;3.5.9;2nd Generation Core Processor Family Integrated Graphics Controller;0300
AppleMCCSControl.kext;1.0.26;2nd Generation Core Processor Family Integrated Graphics Controller;0300
AppleHWSensor.kext;1.9.5d0;2nd Generation Core Processor Family Integrated Graphics Controller;0300
AppleIntelSNBGraphicsFB.kext;7.1.8;2nd Generation Core Processor Family Integrated Graphics Controller;0300
ATISupport.kext;7.1.8;Whistler XT [AMD Radeon HD 6700M Series];0300
RadeonMonitor.kext;1.0.0d1;Whistler XT [AMD Radeon HD 6700M Series];0300
AppleSMCPDRC.kext;5.0.0d0;2nd Generation Core Processor Family DRAM Controller;0600
6n0ms-MacBook-Pro:~ GNOM$ lspci -nn
pcilib: 0000:07:00.0 64-bit device address ignored.
pcilib: 0000:07:00.0 64-bit device address ignored.
pcilib: 0000:00:02.0 64-bit device address ignored.
pcilib: 0000:01:00.0 64-bit device address ignored.
00:00.0 Host bridge [0600]: Intel Corporation Unknown device [8086:0104] (rev 09)
00:01.0 PCI bridge [0604]: Intel Corporation Unknown device [8086:0101] (rev 09)
00:02.0 VGA compatible controller [0300]: Intel Corporation Unknown device [8086:0116] (rev 09)
00:16.0 Communication controller [0780]: Intel Corporation Unknown device [8086:1c3a] (rev 04)
00:1a.0 USB Controller [0c03]: Intel Corporation Unknown device [8086:1c2d] (rev 05)
00:1b.0 Audio device [0403]: Intel Corporation Unknown device [8086:1c20] (rev 05)
00:1c.0 PCI bridge [0604]: Intel Corporation Unknown device [8086:1c10] (rev b5)
00:1c.1 PCI bridge [0604]: Intel Corporation Unknown device [8086:1c12] (rev b5)
00:1c.2 PCI bridge [0604]: Intel Corporation Unknown device [8086:1c14] (rev b5)
00:1c.3 PCI bridge [0604]: Intel Corporation Unknown device [8086:1c16] (rev b5)
00:1d.0 USB Controller [0c03]: Intel Corporation Unknown device [8086:1c26] (rev 05)
00:1f.0 ISA bridge [0601]: Intel Corporation Unknown device [8086:1c49] (rev 05)
00:1f.2 SATA controller [0106]: Intel Corporation Unknown device [8086:1c03] (rev 05)
00:1f.3 SMBus [0c05]: Intel Corporation Unknown device [8086:1c22] (rev 05)
01:00.0 VGA compatible controller [0300]: ATI Technologies Inc Unknown device [1002:6740]
07:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller [10ec:8168] (rev 06)
0d:00.0 Network controller [0280]: Intel Corporation Unknown device [8086:008b] (rev 34)
13:00.0 Unknown class [ff00]: Realtek Semiconductor Co., Ltd. Unknown device [10ec:5209] (rev 01)
13:00.1 SD Host controller [0805]: Realtek Semiconductor Co., Ltd. Unknown device [10ec:5209] (rev 01)
19:00.0 USB Controller [0c03]: NEC Corporation Unknown device [1033:0194] (rev 04)