How do you initiate RTC reset?

Connect System to an AC Power $->$ Keep the system in a power off state $->$ Press & hold the Windows key for $25$ Seconds $->$ Press the power button to initiate RTC Reset.

Unplug AC Power $->$ Keep the system in a power off state $->$ Disconnect system battery $->$ Press power button for $25$ seconds to initiate RTC Reset.

Connect System to an AC Power $->$ Keep the system in a power off state $->$ Press & hold the power button for $30-35$ Seconds $->$ Release the power button to initiate RTC Reset.

Connect System to an AC Power $->$ Power ON system $->$ Press F$12$ for Boot Menu $->$ Select Diagnostics $-->$ Select RTC Reset.