To stop a device from waking your Windows 10 computer up from sleep mode, open the Device Manager and double-click a device. Choose Power-Troubleshooter from the Event Sources drop-down menu and click OK to see all the times your computer woke up recently and what caused them. In the sidebar, head to Windows Logs > System, then click the Filter Current Log button on the right side of the window. Could search Windows’ Event Viewer for information:Ĭlick the Start menu, search for Event Viewer, and launch the tool.