Turtlebot Kinect fails since dropped 100.00% of messages and wireless crashed

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Hi, I am planning to test "Visualizing TurtleBot Kinect Data". I followed the tutorial from this: http://ros.org/wiki/turtlebot/Tutorials/Looking%20at%20Camera%20Data

I started the turtlebot service on the Laptop, use "lsusb" , I saw the device id of Kinect, so I am sure that the Kinect is recognised correctly by the operating system.

Here is the output from the Turtlebot Laptop.

roslaunch turtlebot_bringup kinect.launch

... logging to /home/turtlebot/.ros/log/f79eacf2-5bd6-11e1-9247-485d607d9b81/roslaunch-turtlebot-laptop-2850.log
Checking log directory for disk usage. This may take awhile.
Press Ctrl-C to interrupt
Done checking log file disk usage. Usage is <1GB.

started roslaunch server http://192.168.1.101:38535/

SUMMARY
========

PARAMETERS
 * /kinect_laser/max_height
 * /openni_camera/depth_rgb_rotation
 * /rosdistro
 * /openni_camera/image_mode
 * /openni_camera/image_time_offset
 * /openni_camera/projector_depth_baseline
 * /kinect_laser_narrow/output_frame_id
 * /openni_camera/depth_mode
 * /kinect_laser_narrow/max_height
 * /openni_camera/depth_frame_id
 * /openni_camera/depth_time_offset
 * /kinect_laser/output_frame_id
 * /rosversion
 * /openni_camera/depth_registration
 * /openni_camera/debayering
 * /openni_camera/depth_rgb_translation
 * /kinect_laser/min_height
 * /pointcloud_throttle/max_rate
 * /openni_camera/shift_offset
 * /kinect_laser_narrow/min_height
 * /openni_camera/rgb_frame_id

NODES
  /
    kinect_breaker_enabler (turtlebot_node/kinect_breaker_enabler.py)
    openni_manager (nodelet/nodelet)
    openni_camera (nodelet/nodelet)
    pointcloud_throttle (nodelet/nodelet)
    kinect_laser (nodelet/nodelet)
    kinect_laser_narrow (nodelet/nodelet)

ROS_MASTER_URI=http://192.168.1.101:11311

core service [/rosout] found
process[kinect_breaker_enabler-1]: started with pid [2877]
process[openni_manager-2]: started with pid [2878]
process[openni_camera-3]: started with pid [2882]
process[pointcloud_throttle-4]: started with pid [2883]
process[kinect_laser-5]: started with pid [2884]
process[kinect_laser_narrow-6]: started with pid [2885]
[kinect_breaker_enabler-1] process has finished cleanly.
log file: /home/turtlebot/.ros/log/f79eacf2-5bd6-11e1-9247-485d607d9b81/kinect_breaker_enabler-1*.log
[ INFO] [1329751680.368102392]: [/openni_camera] Number devices connected: 1
[ INFO] [1329751680.368697517]: [/openni_camera] 1. device on bus 001:09 is a Xbox NUI Camera (2ae) from Microsoft (45e) with serial id 'A00363914970053A'
[ WARN] [1329751680.372477514]: [/openni_camera] device_id is not set! Using first device.
[ INFO] [1329751680.445963003]: [/openni_camera] Opened 'Xbox NUI Camera' on bus 1:9 with serial number 'A00363914970053A'
[ INFO] [1329751680.503487021]: rgb_frame_id = 'camera_rgb_optical_frame' 
[ INFO] [1329751680.510222876]: depth_frame_id = 'camera_depth_optical_frame'

Here is my Rviz output from the console when I run Rviz on my workstation.

rosrun rviz rviz
[ INFO] [1329925027.700765660]: rviz revision number 1.6.7
[ INFO] [1329925027.700862731]: ogre_tools revision number 1.6.2
[ INFO] [1329925027.700885502]: compiled against OGRE version 1.7.3 (Cthugha)
[ INFO] [1329925027.827477567]: Loading general config from [/home/turtlebot/.rviz/config]
[ INFO] [1329925027.827697158]: Loading display config from [/home/turtlebot/.rviz/display_config]
[ INFO] [1329925027.841158666]: RTT Preferred Mode is PBuffer.
[ INFO] [1329925028.176180815]: Texture for pass 0: creating with size 1 x 1
[ INFO] [1329925028.194146525]: Texture for pass 1: creating with size 1 x 1
[ INFO] [1329925028.287014274]: RTT Preferred Mode is PBuffer.
[ WARN] [1329925031.734023957]: Message from [/openni_manager] has a non-fully-qualified frame_id [camera_rgb_optical_frame]. Resolved locally to [/camera_rgb_optical_frame].  This is will likely not work in multi-robot systems.  This message will only print once.
[ WARN] [1329925032.081466459]: Message from [/openni_manager] has a non-fully-qualified frame_id [camera_rgb_optical_frame]. Resolved locally to [/camera_rgb_optical_frame].  This is will likely not work in multi-robot systems.  This message will only print once.
[ WARN] [1329925040.037531448]: Message from [/openni_manager] has a non-fully-qualified frame_id [camera_rgb_optical_frame]. Resolved locally to [/camera_rgb_optical_frame].  This is will likely not work in multi-robot systems.  This message will only ...