This article is structured for clarity, covering overview, driver installation for various OS, common issues, and legacy considerations. The Ralink RT3290 is a single-chip 802.11b/g/n WiFi adapter that was highly prevalent in laptops and notebooks from the early to mid-2010s. While largely considered a legacy device today, millions of systems (notably HP Pavilion, Envy, and ProBook models) still rely on this chipset. Its biggest weakness? Driver stability.
April 2026 – The RT3290 remains unsupported by Windows 11 24H2 and kernels 6.8+. Use at your own risk. Need the actual driver file? Search for "sp71909.exe" (HP) or "RT3290_5.0.57.0_2015" on archive.org or your OEM’s legacy support page. Ralink Rt3290 Wireless 802.11bgn Wifi Adapter Driver