Windows 10: CMOS Reset 502 + No Wifi Options + No Battery Charge

I have an HP Envy x360 Convertible running Windows 11 version 21H2 with the following issues:Boots to blue screen"CMOS Reset 502 The CMOS checksum is invalid" and then proceeds to normal OS except:Network & Internet will not detect any wifi network though there are several available Device manager shows intelr wifi-6 ax200 = This device cannot start Code 10. Rollback Driver in device management is no longer an available option. Power detects the charger while connected but unit immediately loses power once disconnected. Troubleshooting steps completed:Multiple hardware diagnostic

:)

 

Toshiba Laptop Not Holding Battery Charge

attached is a pic of the internal of the laptop
there does NOT appear to be a CMOS battery

what should my next steps be?

- fully charge existing battery and see if i remove it and install back teh next day whether its still fully charged?

- charge the battery for 18 hours to charge the internal CMOS battery?

- suggestions please as Im not sure

 

Toshiba Laptop Not Holding Battery Charge

You have to find out if the battery is loosing charge by it's own or if it's the computer that is discharging the battery.
- fully charge existing battery and remove it. Next day install it back and see whether its still fully charged.

Denis, Unfortunately the Satellite S50B laptop doesn't have a CMOS battery. See post 12

 

Battery Won't Charge Fully

Make sure to install all Windows important updates.

Install latest versions of your laptop device drivers you can download the latest device drivers from the device manufacturer or from your laptop manufacturer website.


Step 1

1. Shutdown your laptop.

2. Remove the battery.

3. Connect the AC power adapter to your laptop.

4. Power on the laptop

5. Open the Device Manager by typing Devmgmt.msc into Start Menu or from Control Panel.

6. Under the Batteries category, right-click all of the Microsoft ACPI Compliant Control Method Battery listings, and select Uninstall (it’s ok if you only have 1).





7. Shutdown the laptop.

8. Insert the battery.

9. Power on the laptop.

If above suggestions wont resolve the battery charge issue then follow below steps.




Step 2

1. Shutdown the laptop.

2. Remove the battery.

3. Start the laptop with only AC adapter connected to laptop.

4. When you login to Windows OS connect the battery while Windows OS working.





Step 3

Reset the System Management Controller. Use one of these methods to reset the SMC, which controls battery management, battery status light.

1. Shut down the computer and disconnect the power cord.

2. Remove the battery.

3. Press and hold the power button for ten seconds.

4. Reattach the battery and AC power adapter, then start up the laptop.


Hopefully one of the above suggestions will help you resolve the battery not charging problem. If battery still doesn't charge, you may need to replace your battery.