The H61H2-AD was designed for Windows 7. However, Windows 10/11 has native drivers for most functions. However, you may need specific drivers for the best performance:
If the motherboard is running its original factory BIOS from 2011/2012, inserting an Ivy Bridge CPU will result in a black screen, no POST, and spinning fans. acer h61h2ad manual new
[ Hard Drive LED ] [ Power Switch ] Pin 1 (+) Pin 3 (-) Pin 5 Pin 7 [•] [•] [•] [•] [•] [•] [•] [•] [•] (Pin 11 - Empty) Pin 2 (+) Pin 4 (-) Pin 6 Pin 8 Pin 10 (Key - No Pin) [ Power LED ] [ Reset Switch ] Use code with caution. Pin Assignment Breakdown: HDD LED (Hard Drive Activity Light) Pins 2 (+) & 4 (-): Power LED (Power Indicator Light) The H61H2-AD was designed for Windows 7