How do you initiate RTC reset

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 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 F12 ?for Boot Menu -> ?Select Diagnostics --> ?Select RTC Reset.
The correct answer and explanation is:

Correct Answer:

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

Explanation:

The RTC (Real-Time Clock) is a critical component of a computer system that keeps track of time and system configuration data, even when the system is powered off. Resetting the RTC can help resolve issues related to BIOS corruption, incorrect system time, or issues caused by conflicting settings. An RTC reset effectively clears the CMOS (Complementary Metal-Oxide-Semiconductor) memory, restoring the BIOS/UEFI to its default state.

Here’s why the correct sequence is important:

  1. Unplugging AC Power: Disconnecting the system from AC power ensures no residual power flows through the system during the reset process. This prevents any potential interference during the RTC reset.
  2. Keeping the System in a Power-Off State: Ensuring the system is completely off is crucial for a successful reset. Any active components or power signals could prevent the RTC from resetting properly.
  3. Disconnecting the System Battery: The CMOS/RTC battery powers the RTC when the system is unplugged. Removing this battery ensures the RTC is fully discharged, which is necessary to clear its stored data.
  4. Pressing the Power Button for 25 Seconds: Holding the power button for an extended period discharges any residual power left in the system’s capacitors. This step ensures all stored energy is depleted, allowing the RTC to reset entirely.

By following this procedure, the system’s BIOS/UEFI settings return to their factory defaults. This process is especially useful for troubleshooting hardware issues, restoring corrupted firmware configurations, or resolving boot failures caused by misconfigured BIOS settings. It’s essential to reconnect the battery and power sources afterward and reconfigure the BIOS settings as needed for optimal performance.

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