crwdns2936637:0crwdne2936637:0 crwdns2853008:0crwdne2853008:0 crwdns2918746:0crwdne2918746:0

crwdns2944351:0crwdnd2944351:0HP EliteBook 840 Aero G8 RTC Battery Replacementcrwdnd2944351:0crwdne2944351:0

crwdns2933797:0Spencer Daycrwdnd2933797:0crwdne2933797:0

crwdns2936043:0crwdne2936043:0 crwdns2933505:0crwdne2933505:0 Spencer Day

crwdns2933769:0crwdne2933769:0
crwdns2933771:0crwdne2933771:0
crwdns2933801:0crwdne2933801:0
Introduction
Use this guide to replace the RTC battery (aka CMOS battery or coin cell battery) in your HP EliteBook 840 Aero G8 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 setting, the RTC battery may need to be replaced.
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.