Scientific Atlanta DPW939 Network Card User Manual


 
Troubleshooting
41
Problem Solution
I always have poor link quality
and low signal.
Do the following to achieve better link quality
and stronger signal:
Keep the device away from microwave
ovens and large metal objects to avoid
radio interference.
Shorten the distance between the device
and the AP/station.
The throughput seems slow.
Avoid placing the device behind a metal
object. Clear obstacles between the AP
and the device.
Try moving the client closer to the
WebSTAR DPW939 USB Wireless LAN
Adapter to see if the throughput
increases.
Consider adding a second WebSTAR
DPW939 USB Wireless LAN Adapter to
implement roaming.
Why do I get the warning “Hi-
Speed USB Device Plugged
Into Non-Hi-Speed USB Hub”
message when I connected
the WebSTAR DPW939 USB
Wireless LAN Adapter to the
USB port?
This warning message appears when you
plug the WebSTAR DPW939 USB Wireless
LAN Adapter to a USB 1.1 port. Select from
one of the following options according to your
operating system:
For Windows XP users, you need to
upgrade your OS to Service Pack 1 to
convert your USB ports to USB 2.0.
For Windows 2000 users, you must install
Service Pack 4 in order to convert your
USB ports into USB 2.0. You can
download these service packs from the
Windows Update Web site
(www.windowsupdate.microsoft.com).
When I remove the wireless
adapter from my computer
running Windows 98SE, my
system becomes very slow
and stops responding.
This is a limitation with computers equipped
with Intel/NVIDIA USB 2.0 controller and
running the newest OrangeWare USB 2.0
driver.