Problem connecting to WiFi

[Chris F.A. Johnson]

I am having problems connecting to the WiFi network in the house above
my apartment.

I am using an Asus PCI-G31 wireless card. When I first tried
connecting with it, it worked for about a day. It disconnected and hasn't worked
since.

A screenshot of the network GUI (drakconnect) is at <http://p.cfaj.ca/mcc.jpg>.

iwconfig gives:

wlan0  IEEE 802.11g  ESSID:"Douchbag Express"  Nickname:"localhost.localdomain"
        Mode:Managed  Frequency:2.412 GHz  Access Point: 00:1C:DF:CF:39:5C
        Bit Rate=36 Mb/s   Tx-Power:20 dBm   Sensitivity=-121 dBm
        RTS thr=2347 B   Fragment thr=2346 B
        Power Management:off
        Link Quality:42/100  Signal level:-69 dBm  Noise level:-96 dBm
        Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
        Tx excessive retries:0  Invalid misc:0   Missed beacon:0


I should probably by using iwconfig rather than the GUI, but I don't
know enough about WiFi to figure out what needs to be done.


Does anyone have any suggestions? (I'm currently using a shared
connection on a borrowed laptop (running XP) which has no problem
connecting.


My system:


System:    Host: localhost.localdomain Kernel: 2.6.33.7-desktop-2mnb i686 (32 bit)
            Desktop N/A Distro: MandrivaLinux 2010.2 Henry_Farman
Machine:   Mobo: Gigabyte model: M61PME-S2P version: x.x Bios: Award version: F2 date: 12/30/2008
CPU:       Dual core AMD Athlon 64 X2 5200+ (-MCP-) cache: 1024 KB flags: (lm nx sse sse2 sse3 svm)
            Clock Speeds: 1: 2700.00 MHz 2: 2700.00 MHz
Graphics:  Card: nVidia C61 [GeForce 6150SE nForce 430] X.Org: 1.7.7 drivers: v4l,nouveau Resolution: 1920x1080-UUltFZ4gxGY at public.gmane.org
            GLX Renderer: Rasterizer GLX Version: 2.1 Mesa 7.8.1
Audio:     Card: nVidia MCP61 High Definition Audio driver: HDA Intel Sound: ALSA ver: 1.0.21
Network:   Card-1: RaLink RT2561/RT61 802.11g PCI driver: ndiswrapper
            IF: wlan0 state: dormant mac: 48:5b:39:be:3c:7c
            Card-2: nVidia MCP61 Ethernet driver: forcedeth
            IF: eth0 state: up speed: 100 Mbps duplex: full mac: 00:24:1d:a1:e9:86
Drives:    HDD Total Size: 2320.5GB (41.5% used) 1: /dev/sda Hitachi_HDT72503 320.1GB
            2: /dev/sdb WDC_WD20EARS 2000.4GB
Partition: ID: / size: 7.9G used: 6.1G (81%) fs: ext2 ID: /home size: 490G used: 164G (36%) fs: ext4
            ID: swap-1 size: 4.19GB used: 0.03GB (1%) fs: swap
Sensors:   System Temperatures: cpu: 12.0C mobo: N/A
            Fan Speeds (in rpm): cpu: N/A
Info:      Processes: 209 Uptime: 1 day Memory: 661.5/1960.5MB Client: Shell inxi: 1.7.23

--
    Chris F.A. Johnson, <http://cfajohnson.com/>
    Author:
    Pro Bash Programming: Scripting the GNU/Linux Shell (2009, Apress)
    Shell Scripting Recipes: A Problem-Solution Approach (2005, Apress)
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