TP-Link TD-W9977 User Manual page 82

3 ) If it continues on saying network security key mismatch, it is suggested to
confirm the wireless password on your modem router.
Note: Wireless password/Network Security Key is case sensitive.
4 ) Connect to wireless network.
2 Windows was unable to connect to XXXX /Cannot join this network/Taking longer
than usual to connect to this network.
1 ) Check the wireless signal strength of your network, if it is weak (1~3 bars),
please move the router closer and try again;
2 ) Change the wireless Channel of the router to 1,6,or 11 to reduce interference
from other networks;
3 ) Re-install or update the driver for your wireless adapter of the computer;
4 ) Connect to wireless network.
T7 How can I change my computer's setting to obtain an IP address
automatically?
To change the computer's network settings, follow the steps below.
• For MAC OS X:
1 ) Click the Apple icon, and select
2 ) Click the Network icon.
3 ) Select Ethernet (for wired connection) or
left panel, then click Advanced.
4 ) Click TCP/IP.
5 ) From the Configure IPv4
6 ) Click OK.
• For Windows 7/8/8 1/10:
1 ) Right-click the Network icon on the system tray and select
System Preferences
Wi-Fi
drop-down list, select
from the drop-down list.
(for wireless connection) in the
Using DHCP.
Open Network and
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