TP-Link TL-WR940N User Manual page 126

Note: Wireless Password/Network Security Key is case sensitive.
• Windows unable to connect to XXXX / Can not join this network / Taking longer than
usual to connect to this network:
• Check the wireless signal strength of your network. It is weak (1~3 bars), please
move the router closer and try again.
• Change the wireless channel of the router to 1, 6, or 11 to reduce interference
from other networks.
• Re-install or update the driver for your wireless adapter of the computer.
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