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Introduction |
| Use this guide to replace the RTC battery (aka CMOS battery or clock battery) in your HP EliteBook 840 G7 laptop. | | | The RTC battery is responsible for powering the system’s clock and retains BIOS settings when the computer is turned off. If your computer loses track of time or resets BIOS settings, the RTC battery may need to be replaced. | | | When handling batteries, don’t use sharp or metal tools, and don’t bend them or use excessive force. If your battery is swollen, take appropriate precautions. | | | Still under warranty? [link|https://support.hp.com/us-en/check-warranty|Contact HP] to learn your warranty status, receive a repair under warranty if eligible, or for further warranty information. |
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