
Ctrl + U: Boot the system from an external USB stick or SD card.Ctrl + D: Boot the system from the internal disk.From the warning screen, the following keyboard shortcuts are available:.
The screen will time out after 30 seconds, playing a warning beep.
Devices in Developer Mode will show a warning screen on every boot. Note that Developer Mode disables security features and may leave your device open to attack. Typically (only?) for chromeboxes with a QWERTY keyboard attached.ĭeveloper mode: To enter Developer Mode, first enter recovery mode, then press Ctrl + D, followed by Enter to accept. Recovery mode: Engage the small Reset pinhole with a paperclip, hit Power and continue engaging Reset for 2 seconds. From here, follow the instructions at to recover your device using external media. Recovery mode: Hold Esc + Refresh and press Power. Overriding the charging port is only supported on Samus. When in Developer mode, you can enable SysRq key combinations as documented in the Linux kernel docs. Alt + Volume-Up is treated as the Magic SysRq key. EC hibernate is supported only on devices with select Embedded Controllers.
AP = Application Processor EC = Embedded Controller.Left-Ctrl + Right-Ctrl + Search + (0 or 1 or 2) * Power + Refresh, hold down, remove power for 5 seconds FunctionalityĬtrl + Alt + Shift + R from login screen * Shortcuts with an asterisk ( *) also work with tablets/detachables with a keyboard attached. When in doubt, assume debug shortcuts refer to the physical mapping of a US keyboard layout. Note that some of the below debug keyboard shortcuts are implemented at a very low level and are not keyboard-layout aware. See the official support page for non-debug keyboard shortcuts.