Why Your WiFi Keeps Dropping on Windows 11 (and How to Stop It)

Windows 11 · 5 min read · Target: wifi dropping windows 11 · Updated September 2026

Experiencing random WiFi dropping on Windows 11 is one of the most frustrating network glitches on modern laptops and desktops. In most cases, Windows 11 WiFi dropping is triggered by aggressive PCIe power management putting your wireless card into deep sleep during momentary traffic dips.

Step-by-step resolution workflow

1. Step 1 — Disable adapter sleep in Device Manager

   Press Win + X and open Device Manager. Expand Network adapters, right-click your Wi-Fi device (e.g. Intel Wi-Fi 6E AX211 or Realtek), and select Properties. Under the Power Management tab, uncheck "Allow the computer to turn off this device to save power" and save.

2. Step 2 — Flush DNS cache and reset Winsock stack

   Open Terminal or PowerShell as Administrator and execute this reset sequence:

   PowerShell (Admin) Copy command

   netsh int ip reset && netsh winsock reset && ipconfig /flushdns

   Restart your PC to allow the Windows network stack to rebind clean sockets.

3. Step 3 — Lower roaming aggressiveness in adapter settings

   In your adapter properties under the Advanced tab, set Roaming Aggressiveness to Lowest or Medium-Low, and set Preferred Band to Prefer 5GHz Band. This stops Windows from thrashing between 2.4GHz and 5GHz bands on mesh routers.