National Datacomm Corporation 0610S11 ユーザーズマニュアル

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The Wireless adapter driver is installed, but the wireless adapter is not in the
computer slot

If you are using the wireless PC card, you will only need to re-
insert the PC card into the PCMCIA slot to re-enable the
driver.  However, if you are using the PCI adapter, you will
need to power down the PC and insert the PCI card, then reboot
the computer

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The card is in the system.  The wireless adapter driver is not functioning.
Follow the Installation Problems section of troubleshooting to resolve driver
startup problems

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The green PC feature is setup to cut the system power to the adapter slot when
it is in ‘PC Sleep’ mode.  The Windows Utility will temporarily lose contact
with the adapter during Sleep mode

Re-starting the Windows Utility after the PC is out of Sleep
mode will bring back the adapter.  The long-term solution to
this problem is to disable (through the PC BIOS) the PC Sleep
function

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Station is having difficulties finding an AP to join

1.  Use Network Watcher to scan for all APs in the same

wireless domain

2.  Select the first AP that has its signal quality displayed in

green, and join to it

3.  If all the APs’ signal quality indicator shows yellow, or no

AP is on the list, you may be too far away from any AP to
be associated.  Move closer to an AP

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You have only one AP, and the PC is not placed too far from it, but the PC still
has difficulties finding the AP

1.  Check that the antennas are properly connected to the AP

and the station

2.  Make sure that the AP is powered on and working
3.  Use Network Watcher to find and join with the AP