Question

which one of following can be used to rest a system clock​

Answer 1

Answer:

u have to remove the battery

Answer 2

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The Real Time Clock (RTC) reset function allows you or the service technician to recover Dell Latitude, Inspiron, Precision, Vostro, Alienware, or XPS systems from No POST/No Power/No Boot situations.

Start the RTC reset with the system powered off and connected to AC power. Press and hold the power button for thirty (30) seconds. The system RTC Reset occurs after you release the power button.