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6
Troubleshooting
This chapter provides solutions for issues you may encounter with
your router. If you encounter problems that are not mentioned in
this chapter, visit the ASUS support site at:
contact details of ASUS Technical Support.
6.1
Basic Troubleshooting
If you are having problems with your router, try these basic steps
in this section before looking for further solutions.
Upgrade Firmware to the latest version.
1.
Launch the Web GUI. Go to
Advanced Settings
>
Administration
>
Firmware Upgrade
tab. Click
Check
to
verify if the latest firmware is available.
2.
If the latest firmware is available, visit the ASUS global
RTAC87U/#download to download the latest firmware.
3.
From the
Firmware Upgrade
page, click
Browse
to locate the
firmware file.
4.
Click
Upload
to upgrade the firmware.
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Restart your network in the following sequence:
1.
Turn off the modem.
2.
Unplug the modem.
3.
Turn off the router and computers.
4.
Plug in the modem.
5.
Turn on the modem and then wait for 2 minutes.
6.
Turn on the router and then wait for 2 minutes.
7.
Turn on computers.
Check if your Ethernet cables are plugged properly.
•
When the Ethernet cable connecting the router with the
modem is plugged in properly, the WAN LED will be on.
•
When the Ethernet cable connecting your powered-on
computer with the router is plugged in properly, the
corresponding LAN LED will be on.
Check if the wireless setting on your computer matches that
of your computer.
•
When you connect your computer to the router wirelessly,
ensure that the SSID (wireless network name), encryption
mehtod, and password are correct.
Check if your network settings are correct.
•
Each client on the network should have a valid IP address.
ASUS recommends that you use the wireless router’s DHCP
server to assign IP addresses to computers on your network.
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•
Some cable modem service providers require you to use
the MAC address of the computer initially registered on
the account. You can view the MAC address in the web GUI,
Network Map
>
Clients
page, and hover the mouse pointer
over your device in
Client Status
.
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6.2
Frequently Asked Questions (FAQs)
I cannot access the router GUI using a web browser
•
If your computer is wired, check the Ethernet cable
connection and LED status as described in the previous
section.
•
Ensure that you are using the correct login information. The
default factory login name and password is “admin/admin”.
Ensure that the Caps Lock key is disabled when you enter the
login information.
•
Delete the cookies and files in
your web browser. For Internet
Explorer 8, follow these steps:
1.
Launch Internet Explorer 8,
then click
Tools
>
Internet
Options
.
2.
In the
General
tab,
under
Browsing history
,
click
Delete…
, select
Temporary Internet Files
and
Cookies
then click
Delete
.
NOTES:
•
The commands for deleting cookies and files vary with web
browsers.
•
Disable proxy server settings, cancel the dial-up connection,
and set the TCP/IP settings to obtain IP addresses
automatically. For more details, refer to Chapter 1 of this user
manual.
•
Ensure that you use CAT5e or CAT6 ethernet cables.
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The client cannot establish a wireless connection with the
router.
NOTE:
If you are having issues connecting to 5Ghz network, make
sure that your wireless device supports 5Ghz or features dual band
capabilities.
•
Out of Range:
•
Move the router closer to the wireless client.
•
Try to adjust antennas of the router to the best direction
as described in section
1.4 Positioning your router
.
•
DHCP server has been disabled:
1.
Launch the web GUI. Go to
General
>
Network Map
>
Clients
and search for the device that you want to
connect to the router.
2.
If you cannot find the device in the
Network Map
, go to
Advanced Settings
>
LAN
>
DHCP Server
,
Basic Config
list, select
Yes
on the
Enable the DHCP Server
.
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