zo348

Sounds frustrating that the Ethernet was solid before but now drops so regularly. Since you’ve ruled out the cable and adapter by testing them elsewhere, it does lean toward either a Chromebook hardware issue or some software glitch. Have you tried a full powerwash (factory reset) on the Chromebook? Sometimes network drivers or settings get wonky after updates, and a reset can clear that up. Also, check if there’s any power management setting or USB selective suspend option in the Chrome OS flags or experimental features - sometimes the system tries to save power by cutting off USB devices, which could cause the adapter to disconnect. If that’s not accessible or doesn’t help, you might want to test with a different brand/model of Ethernet adapter just to see if the Chromebook is picky with certain chipsets. Others here have mentioned flaky USB ports causing similar issues, so maybe try plugging the adapter into a different USB port if possible. If it keeps happening, it could be