Solved! Something wrong happend with my acer aspire 3

[REDplays21]

Hello whoever is reading this if u have a solution please comment it.

So,
when i bought the acer aspire 3 in games like gta5, fornite, etc. it was working very well.
Now its lagging even in roblox at the minimum graphichs.

Please help ASAP!!!

 

[helpstar]

to have a look what the problem could be:
run userbenchmark.com and post the http link of your result, e.g. https://www.userbenchmark.com/UserRun/28977730