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Solving Network Connection Problems
30
Try these solutions depending on your network environment.
gg Related Links
• "Solutions When You Cannot Connect Projectors Using Advanced
Connection Mode (Wired)" p.30
• "Solutions When You Cannot Connect Projectors Using Advanced
Connection Mode (Wireless)" p.30
Solutions When You Cannot Connect Projectors Using
Advanced Connection Mode (Wired)
When you cannot connect the computer and the projector using Advanced
Connection Mode over a wired network, try the following solutions. If you
cannot resolve the problem, contact your network administrator.
• Check the status of the external devices used for the network connection or
the environment in which the network devices and the projector are located.
• Connect the network cable securely.
a
Use a commercially available 100BASE-TX or 10BASE-T LAN
cable.
To prevent malfunctions, use a category 5 or higher shielded
LAN cable.
• Check the projector's network settings.
• Set DHCP to Off. When DHCP is set to On, it may take some time to
enter LAN standby status if an available DHCP server is not found.
• Set the IP address, the subnet mask, and the gateway address for the
projector correctly.
• Close network settings on the projector, and then return to the LAN
standby screen.
• Check the computer's network settings.
• Enable LAN settings on your computer.
• Turn off the firewall. If you do not want to turn it off, register the firewall
as an exception. Make the necessary settings to open the ports. The ports
used by this software are "56181" (TCP).
gg Related Links
• "Setting Up a Projector to Connect in Advanced Connection Mode (Wired)"
p.9
Solutions When You Cannot Connect Projectors Using
Advanced Connection Mode (Wireless)
When you cannot connect the computer and the projector using Advanced
Connection Mode over a wireless network, try the following solutions. If you
cannot resolve the problem, contact your network administrator.
• Check the status of the external devices used for the network connection or
the environment in which the network devices and the projector are located.
• Connect the specified wireless LAN unit to the projector securely. See
your projector User's Guide for more details.
• Check for any obstacles between the access point and the computer or
projector, and change their position to improve communication.
Sometimes, indoor environments prevent the projector from being found
in a search.
• Make sure that the access point and the computer or projector are not too
far apart. Move them closer together and try to connect again.
• Check for interference from other equipment, such as a Bluetooth device
or microwave. Move the interfering device farther away or expand your
wireless bandwidth.
• Set the radio strength for the network devices to the maximum.
• Set the IP address, the subnet mask, and the gateway address for the
access point correctly.
• Make sure the wireless LAN system of the access point supports the
projector's wireless LAN system.
• Check the projector's network settings.
• Set the Connection Mode setting to Advanced.
• Set the computer, the access point, and the projector to the same SSID.
• Set DHCP to Off. When DHCP is set to On, it may take some time to
enter LAN standby status if an available DHCP server is not found.
30


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