Epson PowerLite 2250U 5000-Lumen WUXGA 3LCD Projector - Manual (Page 215)

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Parent topic: Solving Projector or Remote Control Operation Problems
Related concepts
Password Security Types
Solutions When Using HDMI Link
If you cannot control an HDMI device using the HDMI Link buttons, try the following solutions:
• Make sure all necessary cables are securely connected and the power is on for the projector and
connected video sources.
• Make sure the cables meet the HDMI standards.
• Make sure the connected device supports the CEC standards.
• If you connected a new device or changed any connections, you may need to restart the device.
• Connect no more than three devices that support HDMI Link at the same time.
• If you have connected a speaker or receiver, set the output to PCM.
Parent topic: Solving Projector or Remote Control Operation Problems
Solving Network Problems
Check the solutions in these sections if you have problems using the projector on a network.
Solutions When Wireless Authentication Fails
Solutions When You Cannot Access the Projector Through the Web
Solutions When Network Alert E-Mails are Not Received
Parent topic: Solving Problems
Solutions When Wireless Authentication Fails
If you cannot authenticate a wireless connection, try the following solutions (PowerLite
975W/2055/2065/2155W/2165W/2245U/2250U/2255U/2265U):
• If the wireless settings are correct, but authentication fails, you may need to update the Date & Time
settings on the Extended menu, if available.
• Make sure the Wireless LAN Power setting is set to On .
• Check the Security settings and passphrase in the Network Configuration menu.
Parent topic: Solving Network Problems