CMOS Battery For Dell Latitude Rugged (5430)

Description

The Dell Latitude Rugged CMOS Battery serves as the primary backup power for the real-time clock and BIOS memory. It replaces a failing 3V coin cell to fix persistent system date resets and BIOS checksum errors when the laptop starts up.

Key Benefits:

• Replaces the internal 3V coin-cell battery to restore power to the real-time clock chip.
• Maintains BIOS configurations and hardware settings when the main battery is removed or fully drained.
• Fixes system date and time resets that occur during the initial boot sequence of the laptop.
• Resolves “Time-of-day clock stopped” or “CMOS checksum bad” error codes on the diagnostic screen.

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