Use the Intel Driver Assistant (Step 3, Option B) first, as it is the easiest and most successful fix for the Aspire E15 series.
If the Acer site is confusing or the drivers there are outdated, use Windows built-in tools or a 3rd party trusted source. acer aspire e15 wifi driver
Most Acer Aspire E15 laptops use Intel WiFi cards. Use the Intel Driver Assistant (Step 3, Option
To keep your Acer Aspire E15 Go to product viewer dialog for this item. To keep your Acer Aspire E15 Go to
The problem was the wireless adapter.
In the mid-2010s, the Acer Aspire E15 series (models like E5-575, E5-573, etc.) earned a reputation as the "budget king" of laptops. For around $350, you got a 15.6-inch screen, decent battery life, a DVD drive (yes, really), and enough processing power for homework and Netflix. But there was a catch—a frustrating, invisible gremlin that tripped up new owners within the first hour.