LAN Home Network with router + Wifi internet

Can someone tell me why he cannot activate the W7 with USB device connection AND home wifi together? Both accessing the internet?
 

My Computer My Computer

At a glance

Windows 7 Ultimate 64BitGenuineIntel Intel(R) Core(TM) DuoCore T2400 ...2.00 GBMobile Intel(R) 945 Express Chipset
Computer Manufacturer/Model Number
Lenovo ThinkPad T60
OS
Windows 7 Ultimate 64Bit
CPU
GenuineIntel Intel(R) Core(TM) DuoCore T2400 @ 1.83GHz
Motherboard
Intel(R) 82801G (ICH7 Family)
Memory
2.00 GB
Graphics Card(s)
Mobile Intel(R) 945 Express Chipset
Sound Card
SoundMAX Integrated Digital HD Audio
Monitor(s) Displays
ThinkPad Display
Screen Resolution
1400x1050
Hard Drives
100Gb SATA
Keyboard
Standard Keyboard
Mouse
HID-compliant Mouse
Internet Speed
Cable Broadband - 54Mbps
Other Info
Intel(R) PRO/1000 PL Network Connection
11a/b/g Wireless LAN Mini PCI Express Adapter
The problem is that I cannot change it from public. Because the 'link' to change it that should be there is blacked Out and non-clickable.
 

My Computer My Computer

At a glance

Windows 7
OS
Windows 7
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