CMOS checksum invalid (502) after replacement main battery

[oleg114]

Please help. After replacement main battery (swollen) every start i see that error. I already recovered BIOS (Win+B key combination) it's useless.
Battery charges ok, working good. But if i shutdown notebook, next start i'll  see that error. If i press Enter  - reboot and windows 10 start loading with wrong clock and date function.  Pls help!

HP Laptop 14-df0xxx

Motherboard id  8544

BIOS : F.22-09/27/2018

Intel(R) Core(TM) i3-7100U CPU @ 2.40GHz

[ub6424]

Hello @oleg114 

Sorry to hear that you are having problems ... I would like to help you.

Let me check your basic system configuration before we continue ...

(1) Run    msinfo32

- Select <System Summary>:

--->>> Copy/screenshot/paste following key/value pairs:

System Model

System SKU ( equals HP product number (p/n) )

(2) Please report back

[ub6424]

Hello @oleg114 

(1) Create Windows system <restore point>

How to Create a System Restore Point on Windows 10 or Windows 11

(2) Download and install BIOS Update

HP Notebook System BIOS Update (Intel Processors)

F.47 Rev.A

33.2 MB

Sep 26, 2019

 Fix and enhancements:

- Provides support for new battery models.
- Provides support for new display panel models.

Why should you install the update ?

https://support.hp.com/us-en/document/ish_4123786-2338478-16

Quote: "

Updating the BIOS is recommended as standard maintenance of the computer. It can also help resolve the following issues:

- An available BIOS update resolves a specific issue or improves computer performance.

- The current BIOS does not support a hardware component or a Windows upgrade.

- HP Support recommends installing a specific BIOS update.

"

(3) Reboot

(4) Let BIOS be installed until it's completely done !

(5) Please report back

[oleg114]

Good day! 

System Model   HP Laptop 14-df0xxx

System SKU  4XX70EA#ACB

[oleg114]

I tried to install F.47 Rev.A   version of BOIS but i got a message: "This BIOS update is not compatible with this device".  yesterday i updated bios to version F.71 Rev.  15.08.2022.  it installed ok, but didn't solve my problem. Error message 502 disapered but laptop starts with the same delay at the begining and loading with wrong time in WIN 10 (time of last shutdown momet)

[ub6424]

Hello @oleg114 

(1) Download and install

HP Support Assistant (Microsoft Apps Store)

or

HP Support Assistant 9.19.52.0

or

HP Support Assistant

9.20.22.0 Rev.A

165.9 MB

Sep 30, 2022

Download

(2) Start <HP Support Assistant>

- Run <Battery Check>

- Click on <Show advanced information>

--->>> Send screenshot

(3) Please report your results

( if serial number and CT Number are displayed, please blur )

[oleg114]

unfortunately i can't use HP Support Assistant because it's not available in my region anymore (Russia)

[ub6424]

Hello @oleg114 

(1) Download and install / update

HP PC Hardware Diagnostics UEFI

8.7.2.0 Rev.A

62.4 MB

Aug 21, 2022

Download

(2) Test your hardware Using the HP PC Hardware Diagnostics (UEFI)

--- Perform Component Tests > Power:

------ Battery (when done click on Battery Details)

--->>> Send picture

https://support.hp.com/us-en/document/ish_2854458-2733239-16

See section <Running HP PC Hardware Diagnostics UEFI tests when Windows doesn't start>

See how it works:

https://www.youtube.com/watch?v=14GKIpGPNRM

(3) Please report your results ( error messages, take pictures )

( if serial number, device id, UUID, System Board CT Number is displayed, please blur ) ! ! !

[oleg114]

---

@ub6424 wrote:

Hello @oleg114 

(1) Download and install / update

HP PC Hardware Diagnostics UEFI

8.7.2.0 Rev.A

62.4 MB

Aug 21, 2022

Download

(2) Test your hardware Using the HP PC Hardware Diagnostics (UEFI)

--- Perform Component Tests > Power:

------ Battery (when done click on Battery Details)

--->>> Send picture

https://support.hp.com/us-en/document/ish_2854458-2733239-16

See section <Running HP PC Hardware Diagnostics UEFI tests when Windows doesn't start>

See how it works:

https://www.youtube.com/watch?v=14GKIpGPNRM

(3) Please report your results ( error messages, take pictures )

( if serial number, device id, UUID, System Board CT Number is displayed, please blur ) ! ! !

---

Hello! Installed and made a test: 

Here is results:

First Screen:

Battery check: Primary-Calibration required (20-6)

Primary: Logic State-Calibration required (20-6) Charge State - OK (0)

Pass ID ------------

Serial Number ------------

Component test: PASSED 

Next screen (Battery details):

Charge capacity:100%

Warranty type:3

Cycle count:5

Manufacturer: 333-54-5D-A

Terminal voltage 11400 mV

Design voltage 11400 mV

Design capacity 41.04 WHr

Full charge capacity 42 WHr

Remaining capacity 18.78 WHr (44%)

Battery status: Calibration required (20)

Logic state: Calibration required (20)

Charge state: OK (0)

Failure ID: OK

Serial number 00057 04/11/2022

Temperature 24 C

CT number ----------------------

Current 2467mA

AC power - yes

Sorry, didn't understood how to make a screenshot  (prt sc key unsuccessful) wrote down all information. 

[ub6424]

Hello @oleg114 

Thanks for reporting.

Please < calibrate > your battery ...

(1) Open windows <device manager> and uninstall "Microsoft ACPI-Compliant Control Method Battery" 

- Right click on "Microsoft ACPI-Compliant Control Method Battery"

- Click "Uninstall device"

- Confirm your choice if you see a popup notification

(2) Shutdown notebook

(3) Disconnect charger

(4) Press and hold <power> button for 30 seconds

(5) Connect charger and wait until battery is fully charged ( check LED indicator )

(6) Start notebook and log in to windows and wait a few minutes

(7) Reboot notebook

(8) Please report back