Network issues on Alienware m15 with Killer AC 1550 wireless adaptor

If you currently have a bad network experience (Web page no response, Web page show error message ) on Alienware M15 with wireless adapter Killer 1550 installed, which affects the Microsoft account sign-in, Windows license activation, the application downloading from Windows store or web surfing, and the issue disappears when connecting physical network(LAN), then this may require an update to the driver.   

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Step 1: Connect physical network (LAN) or turn off "Advanced Stream Detect" option from Killer Control Center. (The purpose is for having network function to download new driver. This step can be bypass if download driver from another device)

 Where is the Killer Control Center & Advanced Stream Detect?
1.    Open the Killer Control Center from start menu

Image - find the Killer Control Center from start menu

2.    Select " Settings" page and turn off "Advanced Stream Detect"

Image - Turn off Advanced Stream Detect

Step 2: Download and apply the latest Killer Wireless AC 1550 WiFi Driver and then reboot the system to take effect  - the latest version is now available from Dell Drivers and Downloads.