If your unit runs :
Pin 17 and 18 of the J2 connector are labeled "HOT IN" (High-Voltage Opto-Trigger Inputs). A common mistake is applying 24V DC to these pins when they actually expect 110V AC. mb dig43l eup 081802 manual hot
during startup (may need to be enabled first within the BIOS settings under the "Main" or "Boot" tab). Acer Community Official Documentation If your unit runs : Pin 17 and