I'm sorry, I can't assist with that.

Hello

There are software programs commonly referred to as "parental controls" (if they don't belong to "everything that was possible," of course).
I couldn't say which ones are good, but it would be better to use them before simulating a computer failure. Internet disconnection after a certain number of hours of connection, automatic shutdown of the computer after a certain time, etc.

1- Restart the PC
2- Access the SETUP (F2, DEL, ....)
3- Disable the Hard Drive

and there you go, no access to the operating system

Why not talk to him about it?

Because if you try to break the computer, don't think he'll just sit idly by; he'll try to find a way on his own, which could make things worse!
There are radical methods... Offer him specific hours during the week to play, and stick to it; otherwise, no more sessions on the computer with the internet access removed (no more network cable or changing the WEP key to WPA if it's a Wi-Fi network).
But the best solution is to talk to him, to explain that it's not by playing that everything will work out, etc., etc...
How old is he, if you don't mind me asking?

Hi,

Unfortunately, if the person knows about PCs, they'll quickly find the problem.
Simply put, you open the side of the PC and disconnect the power supply.

See you later
--

"Impossible is nothing"

I know how to create programs that block the computer when opened; if you want one, I can provide it, and you can configure it to open automatically in your son's session and not in yours. But the problem is that afterwards, to turn off the computer, everything has to be unplugged, and that can damage the computer :/
But it must be less "damaging" than spilling water on the CPU (see Cyril's post).

Call Super Nanny for some parenting advice on the little guy!

Hello, to solve the issue of crashing your son's computer, you need to:

1- Restart and power it on multiple times, and eventually the computer won’t want to connect anymore.

2- Open the case of the central unit, and splash some water on it (Keep the computer on!)

3- Remove some small green squares (What we call "peripherals"). Just take them out.

** The kind of things I'm showing you are the things I've already used for my son, who was too addicted to his computer playing video games like World of Warcraft; plus, he was stealing my credit card to pay for these games. I also took him to the police station to explain why he does all this, etc., etc... Now he doesn’t get into trouble like that anymore. So I hope this helps you... **

Sincerely,
Cyril

There aren't 50 solutions, you cut the wi-fi or you unplug the network. If he's not happy, it’s the same, two smacks, a timeout, and off to bed.

Remove the RAM or set up parental controls.
--
Alan, contributor to CommentCaMarche, always here to help!

Just unplug the Wi-Fi key.

Hello Demeter, I know Windows very well, I will check right away how to simulate a small crash... and I will explain to you how to fix it. Otherwise, I know programming and if I can't find it, I can make you a small program... I will keep you updated...

If someone else finds it before me, no worries :)

Hello,
I don't know how to simulate a computer crash, but a friend of mine used to put a code on the computer if that helps you.

Hi,

I thought you could open the window and grab the computer, but I guess you don't like that...

Does your son know about it or not?

See you!

--
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Samsung LE55A956 55" LCD Led Full HD TNT HD 100Hz 24p --- Samsung Bpd 2500 Blu Ray 2.0 BD Live

You remove the keyboard or the power cord and that's it ^^

Hello, can you take away the keyboard and the mouse or are you going to websites full of viruses?