If Windows warns that the driver is unsigned or incompatible, click Install anyway .
This article explains why the Ralink RT3090 struggles with Windows 10 and provides proven solutions to get your legacy hardware back online. The core issue is not that the RT3090 is a bad chip—it was actually quite reliable in its day. The problem is that the official driver from Ralink (now owned by MediaTek) was last updated for Windows 7 and Windows 8 . Windows 10, especially after the 2017 Creators Update, introduced stricter driver signing requirements and changed how the OS handles legacy network stacks.
However, when Microsoft released Windows 10, many users discovered a frustrating reality: their Wi-Fi stopped working. The device manager showed a yellow exclamation mark, or the system simply claimed the "best drivers are already installed," yet the wireless card remained non-functional. ralink 3090 driver windows 10
Download the legacy driver. Avoid "driver updater" scams. Look for the original Ralink RT3090 driver version 5.0.25.0 or newer from a trusted OEM or archive source.
Find your broken adapter under "Network adapters" (it may have a yellow triangle). If Windows warns that the driver is unsigned
Do not run Setup.exe yet. Instead, open Device Manager (right-click Start button).
The Ralink RT3090 is a Wi-Fi adapter chipset that was ubiquitous in laptops and netbooks produced between 2009 and 2013. You’ll often find it in older ASUS, Acer, HP, and MSI machines, as well as in budget-friendly USB Wi-Fi dongles. The problem is that the official driver from
Click Have Disk > Browse . Navigate to the extracted folder and select the netr28x.inf file.
