Realtek engineers and OEM driver developers use it to validate new driver builds against hardware registers.
If you own a motherboard with a Realtek LAN chip, downloading and running this utility should be the second step after installing Windows (the first being the driver itself). Keep version 2.0.7.3 saved on a USB stick. When the internet dies at 2 AM and your router looks fine, you will thank yourself for having the diagnostic power of Realtek’s most stable utility release. Realtek Ethernet Diagnostic Utility 2.0.7.3
This is the heart of the utility. You have three test options: Realtek engineers and OEM driver developers use it
Upon launching the utility, you are greeted with a blue-themed, tabbed dialog box. Here is what the tabs do: you are greeted with a blue-themed