Laptop problems !!

what game? and post your laptop specs so we can help you better :)

nice description, could you please write what game(s) were you playing and what laptop you have

I very game I play counter strike 1.6, Path of Exile, darksiders 2 etc.
My specs are:
CPU-Intel Core i5-3210M
GPU-Intel HD 4000
Ram-6

Throw it from window

Intel HD 4000 is only an integrated gpu (in cpu) so don't expect too much for gaming. Maybe turn down the graphic settings.
I think you should be able to play games like cs 1.6 on full max settings, but not poe or darksiders (does darksiders even run on this laptop?).

Do you have that thing for power consumption off?

you sure its not overheating and throttling down?

try to check disk for errors and try to fix them then try to play and see if it makes difference

It is because of temperature, check ur laptop temperature by HWMonitor.

Overheating maybe? I'm not that laptop expert guy but maybe it is.

Try increasing your fan speed? My brother did that and his FPS doesn't go up and down much.

Try to insert a cookie inside your cpu, it worked for me brah <3