Can't get D-Link DWA-140 USB adapter working.

Hello all. I'm using Ubuntu 10.10. I recently got a D-Link DWA-140 USB wireless adapter but i can't get it to work. I think it's being recognised but it won't connect to my D-Link DSL-2640R router. The output of lsusb: Code: Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 002 Device 002: ID 04f3:0210 Elan Microelectronics Corp. AM-400 Hama Optical Mouse Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 001 Device 003: ID 07d1:3c09 D-Link System DWA-140 RangeBooster N Adapter(rev.B1) [Ralink RT2870] Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub The output of lsmod: Code: via                    37920  2 drm                  168092  3 via pci_stub                1146  1 vboxpci                15274  0 vboxnetadp              6968  0 vboxnetflt            16492  0 vboxdrv              248433  3 vboxpci,vboxnetadp,vboxnetflt nls_iso8859_1          3261  1 nls_cp437              4931  1 vfat                    9201  1 fat                    48240  1 vfat joydev                  8767  0 snd_hda_codec_realtek  218460  1 snd_hda_intel          22235  0 rt2870sta            406690  1 snd_hda_codec          87552  2 snd_hda_codec_realtek,snd_hda_intel crc_ccitt              1351  1 rt2870sta snd_hwdep              5040  1 snd_hda_codec snd_pcm                71475  2 snd_hda_intel,snd_hda_codec snd_timer              19067  1 snd_pcm video                  18712  0 snd                    49102  6 snd_hda_codec_realtek,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm,snd_timer soundcore                880  1 snd snd_page_alloc          7120  2 snd_hda_intel,snd_pcm via_agp                5322  1 coretemp                5326  0 psmouse                59033  0 output                  1883  1 video serio_raw              4022  0 shpchp                29886  0 i2c_viapro              5777  0 agpgart                32011  2 drm,via_agp lp                      7342  0 parport                31492  1 lp usbhid                36882  0 hid                    67742  1 usbhid via_rhine              19038  0 pata_via                7332  3 sata_via                7344  0 mii                    4425  1 via_rhine As you can see the driver for it is loaded. (rt2870sta) The output of sudo lshw -C network: Code: *-network       description: Wireless interface       physical id: 2       logical name: wlan0       serial: 00:26:5a:0a:6a:a4       capabilities: ethernet physical wireless       configuration: broadcast=yes multicast=yes wireless=Ralink STA The output of iwconfig: Code: wlan0    Ralink STA  ESSID:""  Nickname:"RT2870STA"           Mode:Auto  Frequency=2.437 GHz  Access Point: Not-Associated            Bit Rate:1 Mb/s            RTS thr:off  Fragment thr:off           Link Quality=70/100  Signal level:-25 dBm  Noise level:-87 dBm           Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0           Tx excessive retries:0  Invalid misc:0  Missed beacon:0 The output of nm-tool: Code: NetworkManager Tool State: connected - Device: wlan0 ----------------------------------------------------------------   Type:              802.11 WiFi   Driver:            usb   State:            disconnected   Default:          no   HW Address:        00:26:5A:0A:6A:A4   Capabilities:   Wireless Properties     WEP Encryption:  yes     WPA Encryption:  yes     WPA2 Encryption: yes I've put in all the right info using iwconfig that i know of but i can't connect to my router. I'm not sure where i'm going wrong so if someone could help me it would be appreciated. If you need and more info just ask. Thanks.:)

URL: