Did you know that there are right ways and wrong ways to shut down a computer? Many people will reach for the fastest option—like pulling the power plug—while others will seek out a safer alternative.

Shutting down your computer incorrectly can lead to a number of problems, like data loss and reducing your device’s lifespan. In this article, we’ll dive into all the different ways to turn off a computer, discussing the potential consequences of each.

Let’s get started.

Should You turn off your PC at the back?

Desktop computers generally feature a power switch located on the back of the tower. It’s best to switch your computer off here if you plan to disconnect the tower (i.e. to move your computer around or make internal changes), but is it bad if to turn it off at the back each night?

Not necessarily. Switching off your computer at the rear PSU switch won’t necessarily damage your components—but since it will turn your PC off instantly, you won’t have a chance to save your data.

Turning off your computer using the ‘Shut down’ option is a better choice if you want to make sure your files and data remain safe. When turning off your computer in this way, you’ll receive an alert about any unsaved files or programs that remain open, giving you a chance to save them before proceeding with the shutdown.

is it bad to turn off your PC by unplugging it?

Turning off your PC by unplugging it is never a good idea. Like turning it off at the power switch, pulling the power plug can also lead to data loss or corruption, making the ‘Shut down’ option a much better choice.

Unplugging your PC can also cause an electrical short, leading to a potential power spike. Power spikes can cause damage to your power supply—or to the computer itself—so it’s best to avoid this at all costs.

If you wish to unplug your computer to save power, make sure to save your data and turn off your PC using the ‘Shut down’ option or by pressing the power button first. Also, keep in mind that the power savings caused by unplugging your PC are negligible, so it may not be worth the effort to unplug it every night.

Is it healthy to press the ‘power’ button to shut down your PC?

In the past, turning off your PC by pressing the power button was a bad choice. This approach would often lead to data loss and corruption, like the two methods above.

Modern operating systems, however, are smart enough to recognise a power button press and apply the same process as using the built-in ‘Shut down’ menu. When you press the power button, you’ll have the opportunity to properly close down any open programs and save your data before the system turns off completely.

Does powering off your computer wear it down?

Powering off minimal computers has minimal effects on their performance and longevity. For older computers, regular shutdowns could affect the hard disk drive, but that’s now a problem of the past.

Today, it’s better to switch your computer off each night to conserve power and reduce heat damage to internal components. Leaving your computer running overnight—especially with programs open—will cause the fan to keep running, which can lead to wear and tear over time.

If you want to avoid waiting for your computer to turn on each morning, leaving it in hibernation or sleep mode overnight is a safe alternative. While sleeping, only your computer’s RAM continues running, so it won’t generate heat or activate the fan.


If you’re having problems turning off your computer safely or have any questions about increasing your device’s lifespan, get in touch with the IT experts at Red Centre Technology Partners today.