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If you cannot connect over WiFi, check the following:
•
If your computer or WiFi device is already connected to another WiFi network in your area, disconnect it from
that WiFi network and connect it to the WiFi network that the modem router provides. Some WiFi devices
automatically connect to the first open network without WiFi security that they discover.
•
If your computer or WiFi device is trying to connect to your network with its old settings (before you changed
the settings), update the WiFi network selection in your computer or WiFi device to match the current settings
for your network.
•
Does your WiFi device display as an attached device? (See
View Devices Currently on the Network
on page
234.) If it does, it is connected to the network.
•
Are you using the correct network name (SSID) and password?
Configure WEP Legacy WiFi Security
Wired Equivalent Privacy (WEP) security is a legacy authentication and data encryption mode that is superseded
by WPA-PSK and WPA2-PSK. WEP limits the WiFi transmission speed to 54 Mbps (the modem router is capable
of speeds of up 800 Mbps).
If you want to change the WiFi settings of the modem router’s main network, use a wired connection
to avoid being disconnected when the new WiFi settings take effect.
Tip
To configure WEP security:
1.
Launch a web browser from a computer or WiFi device that is connected to the network.
2.
Enter
.
A login window opens.
3.
Enter the modem router user name and password.
The user name is
admin
.The default password is
password
.The user name and password are case-sensitive.
The BASIC Home page displays.
4.
Select
Wireless
.
The Wireless Settings page displays.
5.
From the
Mode
menu, select
Up to 54 Mbps
.
The page adjusts to display the
WEP
radio button.
Manage the Basic WiFi Network Settings
106
Nighthawk X4S AC2600 WiFi VDSL/ADSL Modem Router Model D7800
Page 107 / 299
6.
In the Security Options section, select the
WEP
radio button.
7.
From the
Authentication Type
menu, select one of the following types:
•
Automatic
. Clients can use either Open System or Shared Key authentication.
•
Shared Key
. Clients can use only Shared Key authentication.
8.
From the
Encryption Strength
menu, select the encryption key size:
•
64-bit
. Standard WEP encryption, using 40/64-bit encryption.
•
128-bit
. Standard WEP encryption, using 104/128-bit encryption. This selection provides higher encryption
security.
9.
Specify the active key by selecting the
Key 1
,
Key 2
,
Key 3
, or
Key 4
radio button.
Only one key can be the active key. To join the modem router’s WiFi network, a user must enter the key value
for the key that you specified as the active key.
10.
Enter a value for the key:
•
For 64-bit WEP, enter 10 hexadecimal digits (any combination of 0–9, A–F). The key values are not
case-sensitive.
•
For 128-bit WEP, enter 26 hexadecimal digits (any combination of 0–9, A–F). The key values are not
case-sensitive.
To join the modem router’s WiFi network, a user must enter the key value for the key that you specified as the
active key.
11.
Click the
Apply
button.
Your settings are saved.
12.
Make sure that you can reconnect over WiFi to the network with its new security settings.
If you cannot connect over WiFi, check the following:
Manage the Basic WiFi Network Settings
107
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Page 108 / 299
•
If your computer or WiFi device is already connected to another WiFi network in your area, disconnect it from
that WiFi network and connect it to the WiFi network that the modem router provides. Some WiFi devices
automatically connect to the first open network without WiFi security that they discover.
•
If your computer or WiFi device is trying to connect to your network with its old settings (before you changed
the settings), update the WiFi network selection in your computer or WiFi device to match the current settings
for your network.
•
Does your WiFi device display as an attached device? (See
View Devices Currently on the Network
on page
234.) If it does, it is connected to the network.
•
Are you using the correct WiFi network name (SSID) and password?
Use WPS to Add a Device to the WiFi Network
WPS (Wi-Fi Protected Setup) lets you connect a computer or WiFi device to the modem router’s network without
entering the WiFi network passphrase or key. Instead, you use a
WPS
button or enter a PIN to connect.
If you use the push button method, the WiFi device that you are trying to connect must provide either a physical
button or a software button. If you use the PIN method, you must know the PIN of the WiFi device that you are trying
to connect.
WPS supports WPA and WPA2 WiFi security. If your modem router network is open (no WiFi security is set, which
is not the default setting for the modem router), connecting with WPS automatically sets WPA + WPA2 WiFi security
on the modem router network and generates a random passphrase.You can view this passphrase (see
View or
Change the Basic WiFi Settings
on page 97).
Use WPS With the Push Button Method
For you to use the push button method to connect a WiFi device to the modem router’s WiFi network, the WiFi device
that you are trying to connect must provide either a physical button or a software button.You can use the physical
button and software button to let a WiFi device join only the main WiFi network, not the guest WiFi network.
To let a WiFi device join the modem router’s main WiFi network using WPS with the push button
method:
1.
Launch a web browser from a computer or WiFi device that is connected to the network.
2.
Enter
.
A login window opens.
3.
Enter the modem router user name and password.
The user name is
admin
.The default password is
password
.The user name and password are case-sensitive.
The BASIC Home page displays.
4.
Select
ADVANCED > WPS Wizard
.
The page displays a description of the WPS method.
Manage the Basic WiFi Network Settings
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5.
Click the
Next
button.
By default, the
Push Button (recommended)
radio button is selected.
6.
Either click the
button onscreen or press the
WPS
button on the right side panel of the modem router.
For two minutes, the modem router attempts to find the WiFi device (that is, the client) that you want to join the
modem router’s main WiFi network.
During this time, the WiFi LED on the top panel of the modem router blinks white.
7.
Within two minutes, go to the WiFi device and press its
WPS
button to join the modem router’s main WiFi network
without entering a password.
After the modem router establishes a WPS connection, the WiFi LED lights solid white and the Add WPS Client
page displays a confirmation message.
8.
To verify that the WiFi device is connected to the modem router’s main WiFi network, select
BASIC > Attached
Devices
.
The WiFi device displays onscreen.
Use WPS With the PIN Method
To use the PIN method to connect a WiFi device to the modem router’s WiFi network, you must know the PIN of
the WiFi device that you are trying to connect.
To let a WiFi device join the modem router’s WiFi network using WPS with the PIN method:
1.
Launch a web browser from a computer or WiFi device that is connected to the network.
2.
Enter
.
A login window opens.
3.
Enter the modem router user name and password.
The user name is
admin
.The default password is
password
.The user name and password are case-sensitive.
The BASIC Home page displays.
Manage the Basic WiFi Network Settings
109
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Page 110 / 299
4.
Select
ADVANCED > WPS Wizard
.
The page displays a description of the WPS method.
5.
Click the
Next
button.
The Add WPS Client page adjusts.
The
Push Button (recommended)
radio button is selected by default.
6.
Select the
PIN Number
radio button.
7.
In the
Enter Clients’ PIN
field, enter the PIN number of the WiFi device.
8.
Click the
Next
button.
For four minutes, the modem router attempts to find the WiFi device (that is, the client) that you want to join the
modem router’s main WiFi network.
During this time, the WiFi LED on the top panel of the modem router blinks white.
9.
Within four minutes, go to the WiFi device and use its WPS software to join the network without entering a
password.
When the modem router establishes a WPS connection, the WiFi LED lights solid white and the Add WPS Client
page displays a confirmation message.
10.
To verify that the WiFi device is connected to the modem router’s main WiFi network, select
BASIC > Attached
Devices
.
The WiFi device displays onscreen.
Manage the Basic WiFi Settings and WiFi Security of the Guest
Network
A guest network allows visitors to use the Internet without using your WiFi security key. By default, the guest WiFi
network is disabled.You can enable and configure the guest WiFi network for each WiFi band. The modem router
Manage the Basic WiFi Network Settings
110
Nighthawk X4S AC2600 WiFi VDSL/ADSL Modem Router Model D7800

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