How can we switch on the light of keyboard of lenova t61

SOURCE: Startup Problems with Lenova T61 Thinkpad

i have lenovo t61 and i cant use it whith my webcams and it shows alwyas my usb not conected whith my webcams and i dont know where is the problem ?????????

SOURCE: how do i turn on the wireless network on a lenova

Put the wireless Switch in the on Position

SOURCE: lenova t61 bios password remove

there are two ways to remove it
1. Software--a bootable program that will remove the password
2. Hardware--remove the CMOS battery