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WRT 1900AC
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Maintaining and Monitoring
43
HOW TO UPGRADE THE ROUTER’S FIRMWARE
Linksys may periodically publish a firmware upgrade either to fix a problem or to
add features to your router.
Important:
Do not interrupt the upgrade process. You should not turn off the router or
press the Reset button during the upgrade. Doing so may permanently disable
the router.
Tip:
Your router automatically checks for available updates and installs them by
default. Use the following instructions only if the automatic firmware update has
been turned off.
To upgrade the router’s firmware, do the following:
Log in to Linksys Smart Wi-Fi. (See “How to connect to Linksys Smart Wi-Fi” on
page ¶.)
Under
Router Settings
, click
Connectivity
.
Click the
Basic
tab.
Under
Firmware Update
, click
Check for Updates
.
If an available update is found, follow the on-screen instructions to install it.
Tip:
To have your router automatically check for updates and install them, select
Automatic
under
Firmware Update
.
HOW TO RESTORE FACTORY DEFAULTS
If you’ve tried previous troubleshooting steps and your network still doesn’t work,
you may need to restore your router’s factory defaults. To restore your router to
factory defaults, you can use the
Reset
button on the router or use Linksys Smart
Wi-Fi.
To reset your router using the reset button:
Caution:
Whenever you restart the router, all logs that are not saved will be lost.
With your router connected to power and turned on, press and hold the Reset
button on the back of your router for about ´0 seconds (until the power indicator
flashes).
To reset your router to factory defaults using Linksys Smart Wi-Fi, do the
following:
Log in to Linksys Smart Wi-Fi. (See “How to connect to Linksys Smart Wi-Fi” on
page ¶.)
Under
Router Settings
, click
Troubleshooting
.
Click the
Diagnostics
tab.
Under
Factory reset
, click
Reset
.
A confirmation screen opens.
Click
Yes
to confirm. All settings and logs will be deleted, and your router will
return to its factory default settings.
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Maintaining and Monitoring
44
HOW TO CHECK THE STATUS OF YOUR ROUTER
Your router status tells you whether you have a secure Internet connection and
informs you about the status of your network-connected devices.
To check your router status, do the following:
Log in to Linksys Smart Wi-Fi. (See “How to connect to Linksys Smart Wi-Fi” on
page ¶.)
Under
Router Settings
, click
Troubleshooting
.
Click the
Status tab
. Detailed information about your router status is displayed.
Tip:
For field descriptions, click
Help
at the top of the screen.
To view a list of connected network devices, click
Devices
. To view a full report of
your router status, click
Report
.
Click
OK
to close the screen.
HOW TO DISABLE THE ETHERNET PORT STATUS LIGHTS
Depending on the placement of the router in a home, you might find the lights
distracting. You can easily disable the lights using Linksys Smart Wi-Fi.
To disable the lights, do the follow:
Log in to Linksys Smart Wi-Fi. (See “How to connect to Linksys Smart Wi-Fi” on
page ¶.)
Under
Router Settings
, click
Connectivity
.
Click the
Basic
tab.
Under
Port Lights
, click the
ON/OFF
button.
HOW TO TEST YOUR INTERNET CONNECTION
Your router includes two diagnostic tests, Ping and Trace route, that let you check
network connections, including network devices and your Internet connection.
To diagnose your Internet connection, do the following:
Log in to Linksys Smart Wi-Fi. (See “How to connect to Linksys Smart Wi-Fi” on
page ¶.)
Under
Router Settings
, click
Troubleshooting
.
Click the
Diagnostics
tab.
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WRT 1900AC
| Maintaining and Monitoring
45
To check whether an address can be reached:
Under
Ping IPv4
, enter an IP address or URL into the
IP
or
host name
field.
Select a number of times to ping from the
Number to ping
drop-down list.
Click
Start to Ping
. A window will open showing the ping test results. You will see
a response for each successful ping.
Notes:
If an Internet URL fails to respond to ping, it doesn’t necessarily mean that the
site is down. For security reasons, some sites are configured to not respond to
ping requests.
To trace the route that packets take between your router and a specific
address:
Under
Trace
route, enter an address in the
IP
or
host name
field.
Click
Start to Trace route
. A window will open with the test results.
HOW TO CONFIGURE AND USE LOGS
Your router can track all traffic for your Internet connection and record that
information in a log.
To enable and view logs, do the following:
Log in to Linksys Smart Wi-Fi. (See “How to connect to Linksys Smart Wi-Fi” on
page ¶.)
Under
Router Settings
, click
Troubleshooting
.
Click the
Logs
tab.
To enable logs, click the
Enable Logs
button so that ON is displayed.
You can view the logs directly in the list, open the logs in a separate browser
window, or print the logs.
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Troubleshooting
WRT 1900AC
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Troubleshooting
46
This chapter can help you solve common setup issues and connect to the Internet.
You can find more help from our award-winning customer support at
linksys.com/support
.
YOUR ROUTER WAS NOT SUCCESSFULLY SET UP
If Linksys Smart Wi-Fi did not complete the setup, you can try the following:
1. Press and hold the Reset button on your router with a paperclip or pin until the LED
starts blinking (about ´0 seconds). Install the router again.
Your router’s appearance may vary
2.
Temporarily disable your computer’s firewall (see the security software’s instruc-
tions for help). Install the router again.
3.
If you have another computer, use that computer to install the router again.
WINDOWS XP SERVICE PACK UPDATE
On Windows XP computers, Linksys Smart Wi-Fi requires Service Pack 3. If the
currently installed Service Pack is older than version 3, download and install
Service Pack 3.
Tip:
To temporarily connect to the Internet and download the required Service
Pack, you can use the included Ethernet cable to connect your computer directly
to your modem.
To install Service Pack 3:
Connect to the Microsoft Update website (
update.microsoft.com/windowsupdate
).
Follow the instructions on the website or contact Microsoft if you need further help.
After downloading and installing Service Pack 3, install the router again.
YOUR INTERNET CABLE IS NOT PLUGGED
IN MESSAGE
If you get a “Your Internet cable is not plugged in” message when trying to set
up your router, follow these troubleshooting steps.
To fix the problem:
Make sure that an Ethernet or Internet cable (or a cable like the one supplied
with your router) is securely connected to the yellow Internet port on the back
of the router and to the appropriate port on your modem. This port on the modem
is usually labeled Ethernet, but may be named Internet or WAN.
Make sure that your modem is connected to power and is turned on. If it has a
power switch, make sure that it is set to the ON or l (as opposed to O) position.
If your Internet service is cable, verify that the cable modem’s CABLE port is
connected to the coaxial cable provided by your ISP.
Or, if your Internet service is DSL, make sure that the DSL phone line is connected
to the modem’s DSL port.
If your computer was previously connected to your modem with a USB cable,
disconnect the USB cable.
Install the router again.
Back view of DSL modem
Back view of cable modem
Back view of router
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WRT 1900AC
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Troubleshooting
47
CANNOT ACCESS YOUR ROUTER
MESSAGE
If you cannot access your router because your computer is not connected to your
network, follow these steps.
To access your router, you must be connected to your own network. If you
currently have wireless Internet access, the problem may be that you have
accidentally connected to a different wireless network.
To fix the problem on Windows computers, do the following:
*
On your Windows desktop right-click the wireless icon in the system tray.
Click
View Available Wireless Networks
. A list of available networks will appear.
Click your own network name. Click
Connect
. In the example below, the computer
was connected to another wireless network named
JimsRouter
. The name of the
Linksys E-Series network,
BronzeEagle
in this example, is shown selected.
If you are prompted to enter a network key, type your password (Security Key) into
the Network key and Confirm network key fields. Click
Connect
.
Your computer connects to the network, and you should now be able to access
the router.
*Depending on your version of Windows, there could be some differences in
wording or icons in these steps.
To fix the problem on Mac computers, do the following:
In the menu bar across the top of the screen, click the Wi-Fi icon. A list of
wireless networks will appear. Linksys Smart Wi-Fi has automatically
assigned your network a name.
In the example below, the computer was connected to another wireless
network named
JimsRouter
. The name of the Linksys E-Series network,
BronzeEagle
in this example, is shown selected.
Click the wireless network name of your Linksys E-Series router (
BronzeEagle
in the example).
Type your wireless network password (Security Key) into the Password field.
Click
OK
.

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