The RT3290 is supported by the open-source rt2800pci driver included in the Linux kernel. However, it is notoriously unstable. To fix it:
sudo nano /etc/default/grub
No driver can fix hardware limitations. Consider replacing the adapter entirely if: Ralink Rt3290 Wireless 802.11bgn Wifi Adapter Driver
Before diving into the software, it is essential to understand the hardware. The Ralink RT3290 is a single-stream 802.11b/g/n Wi-Fi adapter combined with a Bluetooth 4.0 controller. The RT3290 is supported by the open-source rt2800pci
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. Consider replacing the adapter entirely if: Before diving
Most laptops with the RT3290 use a standard half-mini PCIe slot. An Intel 7260HMW (802.11ac, Bluetooth 4.0) or an Atheros AR5B22 is a drop-in upgrade. Check your laptop’s BIOS whitelist first – HP models are notorious for blocking non-approved cards.
Before installing a new driver, you must confirm that the RT3290 is actually the hardware inside your machine.