Have a great day! and thanks in advance to those who would share their opinions regarding to my problem, the problem of my laptop is it is so slow to boot up and I always end up of trouble shooting, second is after a few minutes of use it became more lag then close the recent or the current app then followed by blackening of the screen. in addition when I use opera beta there are instances that it would not run smoothly otherwise it will display "out of memory" then followed by blackening the screen. how can I solve this problem, I hope you can help me overcome this kind of situation, by the way my laptop is acer aspire E 14.
System Configuration: Windows / Opera Next 67.0.3575.13