A power symbol is a symbol indicating that a control activates or deactivates a particular device. Such a control may be a rocker switch, a toggle switch, a push-button, a virtual switch on a …

When you see the “I” or “O” symbols on a power button or switch, that typically means that pressing the button will turn the device on or off; this can be useful if you’re unsure what …

Jun 25, 2024 · Why do the power buttons have weird circles and lines? Learn everything about the power symbols you come across and understand what they mean, and what indicates …

Jul 12, 2025 · Discover the meaning behind the I/O power button symbols. Learn why 'I' means on and 'O' means off, and how to remember the difference.

Jun 9, 2023 · A power button turns an electronic device on or off. A hard power button visually indicates when something is on or off, unlike a soft power button.

Jan 28, 2025 · Well, do you know why power buttons use a symbol that looks like a broken circle with a vertical line down the top? Here’s what the symbol means and where it came from.

Jun 5, 2023 · Insert the official Power on, off, sleep or standby symbols in Word, Excel, PowerPoint and other Microsoft Office apps. Either via a font or graphics. All five power …