i tried to change power supply and now sudo iwlist wlan0 scan seems to work, but when i try to start the adapter with sudo ifup wlan0 i get: No DHCPOFFERS received. Unable to obtain a lease on first try. Exiting. Failed to bring up wlan0. it still might be a problem caused by power supply? any sugge...

Hello, I have some troubles on make my wireless adapter working on RPi the drivers seemes to be currently installed, dmesg: 6.593609] usb 1-1.3: Product: Wireless-G USB Network Adapter [ 6.607093] usb 1-1.3: Manufacturer: Cisco-Linksys lsmod: Module Size Used by snd_bcm2835 21485 0 snd_pcm 82208 1 s...