Toshiba E-STUDIO 3028A - Wireless LAN Connection Cannot be Established

8.QUESTIONS FOR NETWORK
Questions for Network 55
QUESTIONS FOR NETWORK
 Wireless LAN connection cannot be established.
Shut down the equipment by pressing the [POWER] button. Then reboot the equipment by pressing the [POWER]
button again. If this problem still persists, check the following items.
Check... Corrective Action
The user certificate (client certificate and CA
certificate) installed in the client computer is
invalid.
Issue a user certificate whose valid period has been changed.
The wireless LAN setting is disabled. Enable the wireless LAN setting.
The access point connection has failed. Refer to the manual for the wireless LAN access point in use and
specify the settings correctly.
The wireless LAN connection cannot be
established even if [WEP] or [None] is selected in
[Security] of the infrastructure mode and
“connected” is indicated for the wireless LAN
connection status on the touch panel screen.
The SSID or WEP encryption key entered may be incorrect.
Modify the wireless LAN connection settings.
The equipment is connected to the access point
with TKIP specified for the encryption mode.
Specify the TKIP and AES for the encryption mode of the
equipment.
The equipment is connected to the access point
with WPA specified for the authentication mode.
Specify the WPA/WPA2 Enterprise for the authentication mode
of the equipment.
The equipment is connected to the access point
with WPAPSK specified for the authentication
mode.
Specify the WPA/WPA2 Personal for the authentication mode of
the equipment.
The infrastructure mode and Wi-Fi Direct are
used together.
Configure the same settings with the operation channel for both
the wireless access point at the connection destination of the
infrastructure mode and the group owner of Wi-Fi Direct.
WPA/WPA2 Enterprise, WPA2 Enterprise, WPA3
Enterprise or WPA3 Enterprise 192-bit Security is
used for the authentication.
Check that the RADIUS server supports TLS1.2 (Windows Server
2016 or later, hostapd Integrated EAP Server).
WPA3 is used for the authentication mode. Check which is set for the access point; WPA3 Enterprise or
WPA3 Enterprise 192-bit Security.