To automatically start up a PC at a specific time, you can set up a scheduled task in the Windows Task Scheduler. Here are the steps:

Open the Task Scheduler by searching for it in the Start menu.

Click on "Create Basic Task" in the right-hand panel.

Give the task a name and description, and click "Next".

Select "Daily" as the trigger and click "Next".

Set the date and time when you want the computer to automatically start up, and click "Next".

Select "Start a program" as the action, and click "Next".

In the "Program/script" field, type "C:\Windows\System32\cmd.exe". In the "Add arguments (optional)" field, type "/c start".

Click "Next" and then "Finish".

The PC will now automatically start up at the specified time. Note that the PC must be in sleep or hibernate mode for this to work, not powered off.

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