| Problem | Cause | Which Driver Fixes It | | :--- | :--- | :--- | | Screen stays vertical when tablet is sideways | Missing sensor driver | Intel Chipset (Sensor Hub) | | Touchscreen stops working after sleep | Power management bug | Goodix Touchscreen driver (Microsoft Catalog) | | Wi-Fi connects but says āNo Internetā | RTL8723BS power saving | Realtek driver v2024 (disable power saving in regedit) | | HDMI out gives black screen on TV | Generic Microsoft display driver | Intel HD Graphics (Bay Trail specific) | | Keyboard dock not recognized after waking | ACPI driver conflict | Acer official Embedded Controller (EC) driver for Win8.1 installed in compatibility mode |
