Samsung H61s1 — Manual !free!

Per the manual, press and hold the "Lighting" and "Energy Saver" buttons simultaneously for 5 seconds. The display will show "CL" and all other buttons become unresponsive.

, supporting 2nd generation (Sandy Bridge) and 3rd generation (Ivy Bridge) Intel Core i3, i5, and i7 processors. Key Technical Specifications Form Factor: Micro-ATX (mATX). Intel H61 Express. Memory Support: Two DDR3 DIMM slots supporting up to of RAM (1333/1600MHz). Expansion Slots: samsung h61s1 manual

If you're unable to find the manual, you can try: Per the manual, press and hold the "Lighting"

Typically equipped with 2 DDR3 DIMM slots . While it supports a maximum capacity of 16GB , the H61 chipset usually limits the maximum frequency to 1333MHz . Expansion & Storage: One PCI Express 2.0 x16 slot for dedicated graphics cards. Per the manual