'''++nojoko7++''' let us know what the two lights next to the connector indicate. those normally show the connectivity status and network activity.
This solution:
Solution
# Uninstall the '''Killer Network Manager Suite''' and the '''Killer Wireless Drivers'''
** '''Right Click''' on the lower left hand corner of the screen
** Click '''Programs and Features'''
** Click '''Killer Network Manager Suite''' and click '''Uninstall'''
** Follow the On-Screen instructions and repeat the same process for the '''Killer Wireless Drivers'''
** Restart the system once both applications have been removed
# '''Important:''' If the programs above are not listed under Programs and features please continue to the next step
# Download and Install the '''Killer Ethernet E2400 / E2500 Driver'''
#
* Download the latest Killer driver
** Make sure to select '''Windows 10, 64-bit''' as the operating system
** Click '''Network'''
** Download the '''Killer Ethernet E2400 / E2500 Driver'''
** Install the driver
** Restart the system
* Download and Install the '''Killer Wireless-AC 1535 Driver'''
** Download the latest Killer driver
** Make sure to select '''Windows 10, 64-bit''' as the operating system
** Click '''Modem/Communications'''
** Download the '''Killer Wireless-AC 1535 Driver'''
** Install the driver
** Restart the system
** Open the Killer Suite app, go to settings, and disable the "Advanced Stream Detect" option.
** Open Device Manager
** Go to Network Adapters
** Open '''Killer Wireless-AC 1535'''
** '''Go to the Advanced tab'''
** Under '''Wireless Mode''', choose ABGN mode.
'''Important:'''
* Please make sure that the version on both drivers you are downloading is the same (Version 1.1.56.1236,A01 or higher from Dell's website).
* If you need to update the drivers in the future please make sure to uninstall all previous versions of both LAN and wLAN drivers.
* When installing new drivers you must install the LAN driver before installing the wLAN driver.
* from [https://www.dell.com/support/article/us/en/04/sln300762/alienware-laptops-with-killer-wireless-cannot-connect-to-the-internet-through-lan-or-wireless?lang=en|here] .Let us know what you get after this.