1. Right-click the Start menu and click "device manager" in the pop-up menu. The effect is shown in the following figure.
2. In the device management window, click "network adapter". Then, right-click the problematic Nic, for example, Ethernet or wireless network card, select "properties" (or double-click the NIC), as shown in the following figure --
3. In the pop-up dialog box, click "power management" and then deselect "allow computer to close this device to save power" and click "OK", as shown in the figure below --
If the problem persists, you can use win10's "troubleshooting" (right-click the taskbar network icon and select "troubleshooting") to confirm the network problem.
Well, the above is the solution to the unstable disconnection of win10 wifi. Two methods are used. Of course, your network is unstable, and the relationship with the system is not great.