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- Replace Battery msg appears and then battery passes test

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10-08-2022 09:55 AM - edited 10-08-2022 09:56 AM
I've faced a strange issue 2 weeks ago. When booting up my HP Omen, I got the "CMOS Reset (502) The CMOS checksum is invalid" message.
I restarted the laptop to reset the CMOS and everything worked fine; I was able to log into Windows. But then Support Assistant shows a "Replace Battery" message. On running the HP hardware diagnostics, the battery fails the test there also. So I decide to get the battery replaced after I get back from my 2-week vacation.
After returning from my vacation, I boot up the laptop. Again the CMOS 502 error appears. On restarting, I'm able to log in. Support Assistant has the Replace Battery status.
Since the laptop was switched off and disconnected for 2 weeks, the battery was completely discharged to 0%. Once I log in, the battery start to recharge. I run the battery test in Support Assistant and this time, it passes. I run the HP hardware diagnostic test for the battery and it passes that too. Support Assistant isn't showing the Replace Battery status anymore.
Any idea what has exactly happened? How come the battery is working fine now? Was it just a software issue? Why was the CMOS Reset error appearing?
10-08-2022 09:57 AM
Hello @Isotopesam
Sorry to hear that you are having problems ... I would like to help you.
Let me check your current system configuration before we focus on the battery ... |
(1) Run msinfo32
- Select <System Summary>:
--->>> Copy/screenshot/paste following key/value pairs:
OS Name |
Version |
System Model |
System SKU ( equals HP product number (p/n) ) |
Processor |
BIOS Version/Date |
(2) Please report your results
10-08-2022 10:13 AM
Here you go:
OS Name | Microsoft Windows 10 Home Single Language |
Version | 10.0.19044 Build 19044 |
System Model | OMEN by HP Laptop 15-dc0xxx |
System SKU ( equals HP product number (p/n) ) | 4SQ51PA#ACJ |
Processor | Intel(R) Core(TM) i7-8750H CPU @ 2.20GHz, 2208 Mhz, 6 Core(s), 12 Logical Processor(s) |
BIOS Version/Date | AMI F.17, 31-03-2022 |
10-08-2022 10:46 AM
Hello @Isotopesam
(1) Create Windows system <restore point>
How to Create a System Restore Point on Windows 10 or Windows 11
(2) Download and install
HP Consumer Desktop / Notebook PC ME Firmware Update | 04 Rev.A | 2.7 MB | Jul 25, 2018 | Download |
Intel Management Engine Interface (MEI) Driver | 2102.100.0.1044 Rev.G | 17.3 MB | Sep 1, 2021 | Download |
HP Support Assistant | 9.6.587.0 Rev.A | 138.6 MB | Jan 18, 2020 | Download |
(3) Restart Windows
(4) Start <HP Support Assistant>
- Run <Battery Check>
- Click on <Show advanced information>
--->>> Send screenshot
(5) Please report your results
10-08-2022 11:13 PM - edited 10-08-2022 11:14 PM
Downloaded and installed the drivers as you have listed. However, I have a newer version of Support Assistant.
Here are the results:
FYI - I have set the battery charge limit to 50% via the Battery Care Function in the bios.
10-09-2022 05:22 AM
@Isotopesam wrote:FYI - I have set the battery charge limit to 50% via the Battery Care Function in the bios.
Hello @Isotopesam
(1) Set the charge limit temporarily to 100%, save bios settings and exit
(2) Start Windows
Please < calibrate > your battery ... |
(3) 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
(4) Shutdown notebook
(5) Disconnect charger
(6) Press and hold <power> button for 30 seconds
(7) Connect charger and wait until battery is fully charged ( check LED indicator )
(8) Start notebook and log in to windows and wait a few minutes
(9) Reboot notebook
(10) Please report your results
10-10-2022 07:18 AM
Hello @Isotopesam
This result is acceptable. Observe the performance of the battery and report back so we can decide whether the problem is solved or not.
Kind regards