![Are these safe CMOS Vbat readings, and at what voltage should I replace the CMOS battery? First picture is from 2022, second picture with red arrows is from 2020. Also which reading Are these safe CMOS Vbat readings, and at what voltage should I replace the CMOS battery? First picture is from 2022, second picture with red arrows is from 2020. Also which reading](https://preview.redd.it/qf0648e2bqs91.jpg?width=638&format=pjpg&auto=webp&s=28fbc3816aac21c548aced400ec22895295eb280)
Are these safe CMOS Vbat readings, and at what voltage should I replace the CMOS battery? First picture is from 2022, second picture with red arrows is from 2020. Also which reading
![Remove and Replace the Real Time Clock Battery on HP ProBook 640 and 645 G2 Notebooks | HP® Customer Support Remove and Replace the Real Time Clock Battery on HP ProBook 640 and 645 G2 Notebooks | HP® Customer Support](https://support.hp.com/doc-images/43/c05324593.jpg)
Remove and Replace the Real Time Clock Battery on HP ProBook 640 and 645 G2 Notebooks | HP® Customer Support
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