What is the meaning of the "O" and "-" symbols?
A power button is a round or square button that powers an electronic device.Most electronic devices have power buttons.
A hard power button is mechanical, and you can feel a click when pressed and see a difference in depth when the switch is on versus when it's not.A soft power button is an electrical one and appears the same when the device is on and off.
Older devices have a power switch that works the same way as a hard power button.A flip of the switch can turn the device on or off.
The power on and power off are represented by the letters "I" and "O".In the following photo, you can see the "I" and "O" characters on top of each other as a single character.
There are power buttons on all kinds of computers.If there is a keyboard on a mobile device, these are usually on the side or top of the device.
Power buttons and switches can be found on the front and back of the monitor in a typical desktop computer setup.There is a power switch on the back of the case.
The best time to shut down a computer is after all the software programs are finished.It's a better idea to use the shutdown process in the operating system.
The power button can be used to turn off a computer if it doesn't respond to your mouse or keyboard commands.If you can force the computer to power off using the physical power button, that's the best option.
All the open software and files will be ended without notice if your computer is forced to shut down.You can cause files to become corrupt if you lose what you're working on.Your computer may fail to start up if the files are damaged.
It's logical to try to force a computer to shut down once, but it doesn't work on computers made in this century.).
Since they're electrical and communicate directly with the computer, soft power buttons can be configured to do different things.
If the computer is working properly, most computers are set to sleep or hibernate when the power button is pressed.
If a single press isn't shutting down your computer, then you'll have to try something else.
If you have no choice but to force the computer off, you can usually hold down the power button until the screen goes black, the lights go out, and the machine stops making noise.
Once the computer is off, you can press the same power button to turn it back on.A hard reset is a type of restart.
If you have a problem with Windows Update, you can see what to do when it gets stuck or frozen.Sometimes a hard power-down is the best way to go.
If possible, don't kill the power to your computer or device.It's never a good idea to stop running processes on your PC, phone, or other device without a heads up to the operating system.
If the power button is broken, you might need to turn off or restart the computer.This can happen on computers and phones.
How do I restart my computer?Instructions on turning off your computer.To turn off other devices, you have to hold down the power button and look at the screen.
If your device has a broken power button, it's important that you only use the software to restart and not shut it down.The power button will not work if it isn't working.The power button can be used to restart a device.
A strictly software-based method to turn off a device is usually available, but not always.The shutdown of some devices is done by the operating system it's running after the power button is pressed.
The phone is the most notable example.Hold down the power button until the software tells you to turn it off.Some devices that don't run an operating system can be shut down by pressing the power button.
Don't see it?You can skip down to Step 3 if you're viewing Control Panel where you see all the icons.
This option can be found on the left side of the screen in the See Also section.Go down to Step 5.
You can choose what the power buttons do or not from the left.
When I press the power button, choose an option from the menu.It can be do nothing, sleep, or shut down.You might see that the display is turned off.
When I press the power button on my computer, you can go into the Advanced tab of the Power Options Properties window.You have the option of asking me what to do and stand by.
You can either use the battery when the computer is plugged in or use it when it's running on a battery.You can change the power button to do something different.If you can't change these settings, you'll have to use the link called Change settings that are currently unavailable.Shut down every open Control Panel window, and then start over at Step 1 if the hibernate option isn't available.
When you're done making changes to the power button's function, be sure to select Save changes or OK.
Control Panel and Power Options windows can now be closed.When you press the power button, it will do whatever you want it to do.
Other operating systems might support changing what happens when the power button is used, but they probably only support non-shutdown options like opening apps and adjusting the volume.
One example of a tool that can be used to remap the power button is Buttons Remapper.It can open the last app you were in, adjust the volume, open a flashlight, start the camera, and many more.ButtonRemapper is very similar.