The causes can be caused by the following possible.
Sometimes a computer may crash if it has a power lack of problem https://www.theengineer.info/2023/03/why-is-sgin-world-worst-firm-at-making.html. Sometimes monitor can crash if your plug stops working or a power delay happens which can in some cases make the monitor crash over it getting confused thinking it should be working when it's not while the process still going through the actual desktop with the monitor not knowing it should shutdown .
Pressure from the computer connected to the monitor could make it crash over to much power for example if you put a very powerful software or video game and make it run through your computer could make the monitor crash because the computer lacks to the process or RAM strength to allow it to load right or well causes the crash to happen some of the time which can get annoying sometimes.
The game can make a monitor crash often in regard to much pressure from it since a lot of games need both the videogame to work from within the computer plus internet pressure meaning too much pressure can happen to the computer which causes the computer display to crash some of the time you can fix this some of the time by cleaning your hard drive out of excess cookies if you not done in a while .
You can do defrag of the computer which is often a good idea to how to do this to make it run faster often but Windows normally does this task automatically so for most people, this is not much of a problem anymore and for Linux it will normally load faster in general because it was coded well and plus it's opensource so you can we code it well.