Shortcut To Lock System _verified_ May 2026

Ctrl + Alt + Del → then click "Lock"

Ctrl + Alt + Delete → then choose Lock (on many distros) Chrome OS (Chromebook) Shortcut: Search Key + L (Search key is where Caps Lock usually is) shortcut to lock system

This instantly locks your screen and returns to the login screen. Works on all modern Windows versions (7, 8, 10, 11). Ctrl + Alt + Del → then click

Control + Shift + Power (or Control + Shift + Eject on older Macs with optical drives) Linux (Most Desktop Environments) GNOME / Ubuntu / Pop!_OS / Fedora: Super Key (Windows Key) + L shortcut to lock system

Ctrl + Alt + L (or Super + L depending on version)

Most Common Shortcut: Windows Key + L