: The Realtek Gigabit Fast Ethernet Controller Driver (v20150630) is necessary for wired internet and network connectivity.
For a fresh installation, install the drivers in this recommended order:
If audio problems persist, boot into Safe Mode, uninstall all existing Realtek audio drivers, then reboot and reinstall the driver downloaded from Acer. Acer H81h3-am Drivers
This is a good “safety net”, but it may not provide the very latest drivers that Acer offers.
Download Acer Support Drivers and Manuals | Acer India. Acer Brands. Store. AI. Acer H81H3-M｜Motherboard｜Products - ECS ELITEGROUP : The Realtek Gigabit Fast Ethernet Controller Driver
The Acer H81H3-AM was originally designed during the Windows 7 and Windows 8 eras.
This is critical. Without it, PCIe lanes, SATA, and USB controllers may not enumerate correctly. Download Acer Support Drivers and Manuals | Acer India
A complete system setup requires several specific driver packages. Missing drivers will lead to yellow exclamation marks in your Windows Device Manager. 1. Intel Chipset Device Software
Avoid third-party "driver download" websites, which often bundle malware, adware, or outdated files. Use official channels to source your files safely. Method 1: Via the Acer Support Portal (Recommended)