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Page 76 / 97 Scroll up to view Page 71 - 75
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D-Link DAP-1555 User Manual
Section 5 - Connecting to a Wireless Network
Configure WPA-PSK
It is recommended to enable WEP on your wireless bridge or access point before configuring your wireless adapter. If
you are joining an existing network, you will need to know the WEP key being used.
2.
Highlight the wireless network (SSID) you would like to
connect to and click
Connect
.
1.
Open the Windows
®
XP Wireless Utility by right-clicking
on the wireless computer icon in your system tray
(lower-right corner of screen). Select
View Available
Wireless Networks
.
Page 77 / 97
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D-Link DAP-1555 User Manual
Section 5 - Connecting to a Wireless Network
3.
The
Wireless Network Connection
box will appear. Enter the
WPA-PSK passphrase and click
Connect
.
It may take 20-30 seconds to connect to the wireless network. If the
connection fails, please verify that the WPA-PSK settings are correct.
The WPA-PSK passphrase must be exactly the same as on the
wireless access point.
Page 78 / 97
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D-Link DAP-1555 User Manual
Section ´ - Troubleshooting
Troubleshooting
This chapter provides solutions to problems that can occur during the installation and operation of the DAP-1555.
Read
the following descriptions if you are having problems.
(The examples below are illustrated in Windows
®
XP.
If you have
a different operating system, the screenshots on your computer will look similar to the following examples.)
1. Why can’t I access the web-based configuration utility?
When entering the IP address of the D-Link access point (192.168.0.50 for example), you are not connecting to a
website on the Internet or have to be connected to the Internet. The device has the utility built-in to a ROM chip in the
device itself. Your computer must be on the same IP subnet to connect to the web-based utility.
• Make sure you have an updated Java-enabled web browser. We recommend the following:
• Internet Explorer 6.0 or higher
• Netscape 8 or higher
• Mozilla 1.7.12 (5.0) or higher
• Opera 8.5 or higher
• Safari 1.2 or higher (with Java 1.3.1 or higher)
• Camino 0.8.4 or higher
• Firefox 1.5 or higher
• Verify physical connectivity by checking for solid link lights on the device. If you do not get a solid link light, try using
a different cable or connect to a different port on the device if possible. If the computer is turned off, the link light may
not be on.
• Disable any internet security software running on the computer. Software firewalls such as Zone Alarm, Black Ice,
Sygate, Norton Personal Firewall, and Windows
®
XP firewall may block access to the configuration pages. Check the
help files included with your firewall software for more information on disabling or configuring it.
Page 79 / 97
µ·
D-Link DAP-1555 User Manual
Section ´ - Troubleshooting
• Configure your Internet settings:
• Go to
Start
>
Settings
>
Control Panel
. Double-click the
Internet Options
Icon. From the
Security
tab,
click the button to restore the settings to their defaults.
• Click the
Connection
tab and set the dial-up option to Never Dial a Connection. Click the LAN Settings
button. Make sure nothing is checked. Click
OK
.
• Go to the
Advanced
tab and click the button to restore these settings to their defaults. Click
OK
three
times.
• Close your web browser (if open) and open it.
• Access the web management. Open your web browser and enter the IP address of your D-Link access point in the
address bar. This should open the login page for your the web management.
• If you still cannot access the configuration, unplug the power to the access point for 10 seconds and plug back in.
Wait about 30 seconds and try accessing the configuration. If you have multiple computers, try connecting using a
different computer.
2. What can I do if I forgot my password?
If you forgot your password, you must reset your access point. Unfortunately this process will change all your settings
back to the factory defaults.
To reset the access point, locate the reset button (hole) on the rear panel of the unit. With the access point powered
on, use a paperclip to hold the button down for 10 seconds. Release the button and the access point will go through
its reboot process. Wait about 30 seconds to access the access point. The default IP address is 192.168.0.1. When
logging in, the username is
admin
and leave the password box empty.
Page 80 / 97
¶0
D-Link DAP-1555 User Manual
Section ´ - Troubleshooting
3. Why can’t I connect to certain sites or send and receive emails when connecting through my access
point?
If you are having a problem sending or receiving email, or connecting to secure sites such as eBay, banking sites, and
Hotmail, we suggest lowering the MTU in increments of ten (Ex. 1492, 1482, 1472, etc).
Note: AOL DSL+ users must use MTU of 1400.
To find the proper MTU Size, you’ll have to do a special ping of the destination you’re trying to go to. A destination could
be another computer, or a URL.
• Click on
Start
and then click
Run
.
• Windows
®
95, 98, and Me users type in
command
(Windows
®
NT, 2000, and XP users type in
cmd
) and
press
Enter
(or click
OK
).
• Once the window opens, you’ll need to do a special ping. Use the following syntax:
ping [url] [-f] [-l] [MTU value]
Example:
ping yahoo.com -f -l 1472

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