ASUS RT-AX86U AX5700 Wi-Fi 6 gaming router
- Category
- Routers
- Model number
- RT-AX86U
- Region
- Global
- Verified
- Power LED on
- Power LED off
- Power LED blinking
- WAN (Internet) LED, red
- WAN (Internet) LED on
- LAN 1 to 4 LED on
- LAN 1 to 4 LED off
- 2.5G LED on
- 2.5G LED off
- 2.4GHz LED on
- 2.4GHz LED blinking
- 2.4GHz LED off
- 5GHz LED on
- 5GHz LED blinking
- 5GHz LED off
- WPS LED on
- WPS LED off
- Internet is not accessible
- A device cannot connect to the router over Wi-Fi
- How to restore the router to factory defaults
- How to update the firmware
- How to restore firmware in rescue mode
- How to connect a device with WPS
- How to change the Wi-Fi name and password
- How to switch the router to Access Point mode
Nothing on this page matches. Search all models
Indicator lights
| Indicator | Meaning | Checks |
|---|---|---|
| Power LED on | The device is ready. | Checks |
| Power LED off | The router has no power. | Checks |
| Power LED blinking | The router is in rescue mode. | Checks |
| WAN (Internet) LED, red | The router has no IP address or no physical connection to the modem. | Checks |
| WAN (Internet) LED on | The router has a physical connection to a wide area network. | Checks |
| LAN 1 to 4 LED on | The port has a physical connection to a local area network. | Checks |
| LAN 1 to 4 LED off | The port has no power or no physical connection. | Checks |
| 2.5G LED on | The 2.5G port has a physical connection. | Checks |
| 2.5G LED off | The 2.5G port has no connection. | Checks |
| 2.4GHz LED on | The wireless system is ready. | Checks |
| 2.4GHz LED blinking | The router is transmitting or receiving data over the 2.4GHz wireless connection. | Checks |
| 2.4GHz LED off | There is no 2.4GHz signal. | Checks |
| 5GHz LED on | The wireless system is ready. | Checks |
| 5GHz LED blinking | The router is transmitting or receiving data over the 5GHz wireless connection. | Checks |
| 5GHz LED off | There is no 5GHz signal. | Checks |
| WPS LED on | WPS is processing. | Checks |
| WPS LED off | WPS is not processing. | Checks |
Power LED off
The Power LED is off. The router has no power.
- Insert the bundled AC adapter into the DC-IN port, connect it to a power source and press the Power switch.
Power LED blinking
The Power LED flashes slowly. The router is in rescue mode.
- Restore the firmware with the Firmware Restoration utility. See Restore firmware in rescue mode.
Source Source: 1.3 Your wireless router and 4.6.3 Firmware Upgrade, pp. 8, 90
WAN (Internet) LED, red
The WAN (Internet) LED is red. The router has no IP address or no physical connection to the modem.
- Check that the Ethernet cable between the modem and the router is plugged in properly. The WAN LED is on when it is.
- Restart the network in this order: turn off and unplug the modem, turn off the router and computers, plug in the modem, turn it on and wait 2 minutes, turn on the router and wait 2 minutes, then turn on the computers.
- Open General > Network Map in the web GUI and check the Internet Status. If the router cannot connect to the ISP's WAN IP address, restart the network again.
WAN (Internet) LED on
The WAN (Internet) LED is lit. The router has a physical connection to a wide area network.
LAN 1 to 4 LED on
A LAN LED is lit. The port has a physical connection to a local area network.
LAN 1 to 4 LED off
A LAN LED is off. The port has no power or no physical connection.
- Check that the Ethernet cable between the router and the powered-on computer is plugged in properly.
Source Source: 1.3 Your wireless router and 6.1 Basic Troubleshooting, pp. 7, 107
2.5G LED on
The 2.5G LED is lit. The 2.5G port has a physical connection.
2.5G LED off
The 2.5G LED is off. The 2.5G port has no connection.
2.4GHz LED on
The 2.4GHz LED is lit. The wireless system is ready.
2.4GHz LED blinking
The 2.4GHz LED flashes. The router is transmitting or receiving data over the 2.4GHz wireless connection.
2.4GHz LED off
The 2.4GHz LED is off. There is no 2.4GHz signal.
5GHz LED on
The 5GHz LED is lit. The wireless system is ready.
5GHz LED blinking
The 5GHz LED flashes. The router is transmitting or receiving data over the 5GHz wireless connection.
5GHz LED off
The 5GHz LED is off. There is no 5GHz signal.
Problems
- Internet is not accessible2 causes in the manual. First: the router cannot connect to the ISP's WAN IP address.
- A device cannot connect to the router over Wi-Fi3 causes in the manual. First: the device is out of range.
How-to
- How to restore the router to factory defaultsWhen you want to erase the router settings, or forgot the SSID, the network password or the login.
- How to update the firmwareWhen you want to check for or install new router firmware.
- How to restore firmware in rescue modeWhen a firmware upgrade failed and the Power LED flashes slowly. The Firmware Restoration utility is not supported on MAC OS.
- How to connect a device with WPSWhen a device supports WPS and you want it on the Wi-Fi without typing the password.
- How to change the Wi-Fi name and passwordWhen you want a new wireless network name (SSID) or password.
- How to switch the router to Access Point modeWhen you want the router to create a new wireless network on an existing network.
LED meanings
| Light | Colour | State | Meaning |
|---|---|---|---|
| Power | on | The device is ready. | |
| Power | off | The router has no power. | |
| Power | blinking | The router is in rescue mode. | |
| WAN (Internet) | Red | on | The router has no IP address or no physical connection to the modem. |
| WAN (Internet) | on | The router has a physical connection to a wide area network. | |
| LAN 1 to 4 | on | The port has a physical connection to a local area network. | |
| LAN 1 to 4 | off | The port has no power or no physical connection. | |
| 2.5G | on | The 2.5G port has a physical connection. | |
| 2.5G | off | The 2.5G port has no connection. | |
| 2.4GHz | on | The wireless system is ready. | |
| 2.4GHz | blinking | The router is transmitting or receiving data over the 2.4GHz wireless connection. | |
| 2.4GHz | off | There is no 2.4GHz signal. | |
| 5GHz | on | The wireless system is ready. | |
| 5GHz | blinking | The router is transmitting or receiving data over the 5GHz wireless connection. | |
| 5GHz | off | There is no 5GHz signal. | |
| WPS | on | WPS is processing. | |
| WPS | off | WPS is not processing. |
Specifications
The ASUS RT-AX86U user guide defines LEDs for Power, WAN (Internet), LAN 1 to 4, 2.5G, 2.4GHz, 5GHz and WPS. Source: 1.3 Your wireless router, pp. 7, 8
A failed firmware upgrade puts the router into rescue mode, shown by a slowly flashing Power LED. Source: 4.6.3 Firmware Upgrade, p. 90
The web GUI opens at http://router.asus.com; the default login name and password are both admin. Source: 2.1 Router Setup and 6.2 FAQs, pp. 12, 109
| Ports | One WAN (Internet) port, four LAN ports, one 2.5G port and USB 3.2 Gen 1 ports. | Source: 1.3 Your wireless router, p. 8 |
|---|---|---|
| Reset button | Resets or restores the system to its factory default settings. | Source: 1.3 Your wireless router, p. 8 |
| LED On/Off button | Turns the LED indicators on or off. | Source: 1.3 Your wireless router, p. 8 |
| Power adapter output | DC +19V with 2.37A or +19.5V with 2.31A. | Source: 1.3 Your wireless router, Specifications, p. 8 |
| Operating temperature | 0 to 40°C. | Source: 1.3 Your wireless router, Specifications, p. 8 |
Recalls
No exact-model match for RT-AX86U in the U.S. Consumer Product Safety Commission recall database, checked . Recalls can name model families, so also check current recalls for ASUS.
Service contact
ASUS Technical Support, asus.com/support/. ASUS support site. Source: 6 Troubleshooting, p. 106
Sources
- User Guide, RT-AX86U Wireless-AX5700 Dual-band Gigabit Router. ASUSTeK Computer Inc. Document E17317, revision First Edition, September 2020, 2020-09, 127 pages, en-US. dlcdnets.asus.com (PDF). Listed on the manufacturer's support page. Retrieved 13 November 2026.
Page numbers are the numbers printed in the manual. Where this page and the manual differ, follow the manual.
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