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‎09-27-2025 06:07 AM

HP Recommended

1000021546.jpg

 hi, where is the cmos battery?

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1 REPLY 1

‎09-27-2025 06:32 AM - edited ‎09-27-2025 06:33 AM

HP Recommended

Hi:

 

Your notebook does not have a CMOS/RTC battery.

 

The main battery also serves as the CMOS/RTC battery that maintains the BIOS and system clock settings.

 

Below is the link to the service manual:

 

720d05.pdf

 

Chapter 3 has the list of parts.

 

You will not find a CMOS/RTC battery part number.

 

Chapter 5 has the component removal and replacement procedures.

 

You will not find a procedure to remove/replace a CMOS/RTC battery.

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