This means Acer never intended for you to upgrade it. They intended for you to call their tech support if it broke.

Look for a two or three-pin header labeled or "CLR1" . It is usually located near the bottom right corner, next to the front audio header. There is no button. You have to move a jumper cap from pins 1-2 to 2-3 for ten seconds.

You search for the manual, hoping for a detailed schematic of fan headers, overclocking menus, or RGB control.

Spoiler alert: You aren't going to find it.

Acer Mg43m Motherboard Manual May 2026

This means Acer never intended for you to upgrade it. They intended for you to call their tech support if it broke.

Look for a two or three-pin header labeled or "CLR1" . It is usually located near the bottom right corner, next to the front audio header. There is no button. You have to move a jumper cap from pins 1-2 to 2-3 for ten seconds. Acer Mg43m Motherboard Manual

You search for the manual, hoping for a detailed schematic of fan headers, overclocking menus, or RGB control. This means Acer never intended for you to upgrade it

Spoiler alert: You aren't going to find it. Acer Mg43m Motherboard Manual