Determining whether your keyboard is powered on depends on whether you are using a wired or wireless hardware model. For wired USB keyboards, checking for power is as simple as verifying that the small status indicator lights—such as Num Lock, Caps Lock, or Scroll Lock—are illuminated when toggled. For wireless Bluetooth or RF keyboards, look for a physical power switch, usually located on the top edge or bottom casing, and check for a small LED status light that flashes or glows when keys are pressed. If your computer instantly registers keystrokes on the screen without lag or error messages, your wireless keyboard is successfully powered on and connected.
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