Edimax EW-7811UN Manual

If the computer can't detect the wireless adapter
 Make sure the adapter is plugged in correctly.
 Make sure the computer meets the system requirement and install the latest driver. You can
download the driver at http://www.edimax.com
 Try to connect the wireless adapter with a different port on the computer
 Try to restart the computer.
 Update the USB drivers. (Check motherboard/logic board manufacturer or computer manufacturer
website for latest drivers)
 Test the adapter on a different computer to verify whether it is working or faulty.
How to check my wireless adapter is installed properly
Windows 7 - Go to Start > Computer [Right Click] > Properties > Device Manager.
Windows 8.1/10 - Press the Windows key and X together and then click Device Manager.
 Click the “Network Adapters”.
 Right-click on “Edimax …… Adapter” and select properties to check that the drivers are installed
properly.
 When you see “This device is working properly.” in the windows, you have already installed the
driver successfully.
How to fix the issue that my Adapter can't work
 Check if your wireless password is correct.
 Try to uninstall the driver and install the driver again.
 Use automatic troubleshooting. Right-click on the network icon in your system tray and select
"Troubleshoot Problems" to run the Windows Network Diagnostic routine. This can sometimes
correct common issues.
 Try to reboot your PC.
The wireless adapter LED does not light up.
 Remove and re-insert the wireless adapter.
 Check the Windows device manager to see whether the wireless adapter is enabled and recognized.
 Re-install the driver and try it again.
 Insert the wireless adapter in a different USB port on your computer.
What should I do if I can’t join a wireless network
 Make sure the adapter is connected with the computer’s USB port properly.
 Check if you have installed the driver for your adapter successfully. You can download the latest
driver at http://www.edimax.com
 Re-install the driver and try again.
 Check the LED indicators on the wireless router or access point are functioning properly. If not,
check that the AC power adapter and Ethernet cables are firmly connected.

Edimax EW-7811UN Specifications

General

Wi-Fi	Yes
Wi-Fi band	Single-band (2.4 GHz)
Ethernet LAN	No
Frequency range	2.4 - 2.4835 GHz
Wi-Fi standards	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Top Wi-Fi standard	Wi-Fi 4 (802.11n)
Security algorithms	128-bit WEP, 64-bit WEP, WPA2
Networking standards	IEEE 802.11b, IEEE 802.11g, IEEE 802.11n
Maximum data transfer rate	150 Mbit/s
WLAN data transfer rates supported	1, 2, 6, 9, 11, 12, 24, 36, 48, 54, 72, 150 Mbit/s
Interface	WLAN
Connectivity technology	Wireless
Chipset	-
Certification	CE, FCC, WiFi
Product color	Black, Gold
LED indicators	Activity, Link
Storage temperature (T-T)	-20 - 60 °C
Operating temperature (T-T)	0 - 40 °C
Operating relative humidity (H-H)	10 - 90 %

Weight and Dimensions

Depth	7.1 mm
Width	14.9 mm
Height	18.5 mm