The KAV60 usually shipped with 1GB of RAM. Upgrading the single slot to a 2GB DDR2 SODIMM stick prevents the system from freezing when opening multiple browser tabs.
While generic Windows drivers might produce basic sound, high-quality Realtek drivers unlock the internal microphone, eliminate audio popping, and manage the headphone jack switching correctly. Network & Wi-Fi Drivers (Atheros / Broadcom) acer aspire one kav60 drivers high quality