If you prefer to update or reinstall a single driver manually:

The Realtek audio driver ensures proper sound output through speakers and the headphone jack.

| Type | Version | File Information | | :--- | :--- | :--- | | | 1.10 | BIOS 1.10 for OS Independent|

Go to www.acer.com/ac/en/US/content/support (or your regional Acer site).

Install the Synaptics driver, then restart. Ensure the touchpad isn't disabled via the Fn + F7 key combination.

Drivers like version 11.0.0.1157 help manage processor power and system efficiency. How to Download and Install Drivers

| Driver Type | Recommended Version | | :--- | :--- | | | 19.0.6.1| | Sentelic Touchpad Driver | 9.4.9.9 |

Last updated: 2026 – Information applies to all Acer One 14 Z1402 variants running Windows 10 64-bit (21H2, 22H2, and later LTSC versions).

Without it, Windows 10 will use a "Generic Display Adapter." This results in poor screen resolution, an inability to adjust brightness, laggy video playback, and the lack of an HDMI output option. 3. Audio / Sound Driver (Realtek)

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