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220-1101 · Question #719

When a user's workstation is turned on, a message displays indicating that the date and time are incorrect. Other computers on the network do not display this message. Which of the following is the mo

The correct answer is C. The CMOS battery is discharged.. The CMOS battery (typically a CR2032 coin cell on the motherboard) provides power to retain BIOS/UEFI settings-including the real-time clock-when the system is powered off. When this battery dies, the system loses its date/time settings every time it is shut down. Because only on

Hardware

Question

When a user's workstation is turned on, a message displays indicating that the date and time are incorrect. Other computers on the network do not display this message. Which of the following is the most likely cause of this issue?

Options

  • AThe time server is misconfigured.
  • BThe BIOS is not updated.
  • CThe CMOS battery is discharged.
  • DThe CPU is slow.

How the community answered

(42 responses)
  • A
    2% (1)
  • C
    93% (39)
  • D
    5% (2)

Explanation

The CMOS battery (typically a CR2032 coin cell on the motherboard) provides power to retain BIOS/UEFI settings-including the real-time clock-when the system is powered off. When this battery dies, the system loses its date/time settings every time it is shut down. Because only one machine is affected, a network time server misconfiguration (Option A) is ruled out. An outdated BIOS (Option B) and a slow CPU (Option D) do not cause date/time resets.

Topics

#CMOS battery#BIOS/UEFI settings#Date and time#Hardware troubleshooting

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