Question Network controller slowing down my download speed?

Aug 3, 2019
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Hey!

Did a broadband check the other day, then saw that the download speed was not correct. Paying for 1000/100, where I got 150-200mbit / s up and 90-100 mbit / s down.

Tested with various cables, as well as on other devices, where they work properly and get up to 800-900mbit / s down. Has not been wrong until now, can it be a program running in the background that strikes the speed? Or is it simply giving up? In Windows, it is clear that it is 1.0 Gbps, but when I do tests I do not get what I want. What could be the problem?

Name on the controller: Realtek PCIE gbe family controller.

Pictures taken with lightshot:
https://prnt.sc/prlnyr
https://prnt.sc/prlobe

I have tested resetting and uninstalling the network card drivers, yet its not working.