Low internet speed on laptop. What could be the reason?

Question

Iron

Hey! The situation, there is an Asus M50V laptop. In general, the native wi fi "card" burned down there. bought usb whistle. Now the connection speed with the router is 150 megabits stable. but the speed of the Internet does not rise above 20 megabits. I already prescribed in the router that I would give this laptop 50 megabits, it does not help. the feeling that it is cut in the laptop.
Nv Poros "you have Internet shit, you have a shit router, but you don't know what the router cuts" answering right away. Inet on the wire is stable 90 megabits. The router is normal, my computer connects to it through 5 GHz, I have 70 - 75 megabits from this and the speed to the router is 300 - 325 megabits.
The problem is with the laptop. It seems to me that the pancake is hardware.

Answer 1

If the carrier is 2.4 GHz, then this is normal. Not enough for 5 GHz.

Answer 2

Something like this should be for a 2.4 whistle