Dust and pet hair can be awful.
I may or not have taken apart consoles before to clean 
Do my computer regularly though and it makes a difference if I don’t do it. Overheating will cause throttling of FPS/things not working properly. Upside is you can cook eggs on overheating parts (ifyou don’t want to use them again)
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All posts made are personal opinions as I do not work for VirginMedia.
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