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Configure an Older Computer to Power On After an Outage

Use this BIOS setting on the older Retro C computer model shown below so the computer starts automatically when power is restored after an outage.

Older Retro C computer model covered by this BIOS procedure

Before you begin: Connect a USB keyboard and close the Retro C software normally. Changing unrelated BIOS settings can prevent the computer from starting, so change only the setting described below.

Change the Power-Restoration Setting

  1. Restart the computer and repeatedly press the BIOS setup key while it starts. On this older model, use Delete. If the BIOS screen does not open, restart and try again.
  2. When the main BIOS page appears, use only the keyboard to navigate.
Main BIOS page on the older Retro C computer
  1. Use the arrow keys to open the Chipset tab. Select South Bridge, then press Enter.
South Bridge option on the BIOS Chipset tab
  1. Select System State after Power Failure and change the value from Always Off to Always On.
System State after Power Failure set to Always Off
Before: Always Off
System State after Power Failure set to Always On
After: Always On
  1. Press F4 to save and exit. Select Yes when prompted. The computer will restart.
BIOS Save and Exit confirmation screen

Verify the Setting

After Windows and the Retro C software start normally, perform a controlled power-restoration test only if site procedures permit it. The computer should start automatically when input power returns. If it does not, reopen the BIOS and confirm that the setting still reads Always On.

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