For usb devices, Windows enables a power saving feature known as USB Selective Suspend. Its goal is to save power by shutting down USB ports that are only used intermittently. This feature causes problems when using DSLR cameras and we recommend that you turn it off.
Windows 11
Go to Control Panel\Hardware and Sound\Power Options
Select High Performance.
Go to Change Plan Settings, Change advanced power settings.
USB Settings, USB selective suspend settings, Set to Disabled.
Apply.
Device Manager, USB Root Hub, Uncheck Allow the computer to turn off this device to save power.
Windows 10
For windows 10, go to Device Manager, Universal Serial Bus controllers. Double-click the USB Root Hub device, and click the Power Management tab. Turn off the Allow the computer to turn off this device to save power option, and click OK button.