Windows: Press `Win + R`, type `cmd`, press Enter
Windows: Run `echo off | clip`
Windows: Press `Enter`
macOS: Open Terminal
macOS: Run `pbcopy
macOS: Run `pbpaste` to confirm it’s empty
Linux (X11): Run `xclip -selection clipboard /dev/null`
Linux (Wayland): Run `wl-copy –clear`
Linux (alternative): Run `xsel –clipboard –clear`
iOS/iPadOS: Restart the device
Android: Restart the device
Browser clipboard (web apps): Close the tab or refresh the page
Remote/managed devices: Follow your organization’s clipboard policy