Realtek Wireless LAN 802.11n SDIO Network Adapter (RtlWlans) Service Defaults in Windows 10

Realtek WLAN SDIO NDIS Driver 59171 by Realtek Semiconductor Corporation.

The Realtek Wireless LAN 802.11n SDIO Network Adapter service exists only in:

Default Settings

Startup type: Manual
Display name:Realtek Wireless LAN 802.11n SDIO Network Adapter
Service name:RtlWlans
Service type:kernel
Error control:normal
Group:NDIS
Path:%SystemRoot%\System32\drivers\rtwlans.sys
Registry key:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\RtlWlans

Default Behavior

Realtek Wireless LAN 802.11n SDIO Network Adapter is a kernel device driver. In Windows 10 it is starting only if the user, an application or another service starts it. If Realtek Wireless LAN 802.11n SDIO Network Adapter fails to start, the failure details are being recorded into Event Log. Then Windows 10 will start up and notify the user that the RtlWlans service has failed to start due to the error.

Restore Default Startup Configuration of Realtek Wireless LAN 802.11n SDIO Network Adapter

1. Run the Command Prompt as an administrator.

2. Copy the command below, paste it into the command window and press ENTER:

sc config RtlWlans start= demand

3. Close the command window and restart the computer.

The RtlWlans service is using the rtwlans.sys file that is located in the C:\Windows\System32\drivers directory. If the file is removed or corrupted, read this article to restore its original version from Windows 10 installation media.