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HP Recommended
HP Gaming Pavilion - 15-cx0056wm
Microsoft Windows 11

My pc battery is bad and recently the screen has stared flickering by can that be because of the battery or something else is bad 

HP Recommended

Hello @Frankfans 

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


Let me check your current system configuration.


(1) Run    msinfo32

- Select <System Summary>:

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


OS Name


System Model

System SKU

( equals HP product number (p/n) )


BIOS Version/Date


(2) Start Windows <Device Manager>

- Expand <Display adapters>

- Expand <Monitors>

--->>> Send screenshot


(3Please report your results

HP Recommended

Os name  Microsoft windows 11 home

Version.   10.0.22621 Build 22621

System model.  Hp pavilion gaming laptop 15-cx0xxx 

System SKU   4PY21UA#ABA

Processor   intel(R) core(TM) I5-8300HCPU@ 2.30GHz, 2304Mhz, 4 core(s) 8 logical processor(s) 

BIOS Version /date Insyde F. 10,07/08/2018


HP Recommended

Hello @Frankfans 


(1) Create Windows system <restore point>

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


(2Download and install BIOS Update

HP Notebook System BIOS Update

F.28 Rev.A19.2 MBAug 15, 2022Download


Why should you install the update ?


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.




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

(5Download and install / update

HP Consumer Desktop / Notebook PC ME Firmware Update

04 Rev.A2.7 MBJul 25, 2018Download


(6Reboot Windows

(7) Enable and run and install <Windows Optional Updates>

How to Install Windows 11 Optional Updates & Fix Its Issue


(8) Restart Windows

(9Please report your results

HP Recommended

I have done this and it didn't work 

HP Recommended

Hello @Frankfans 


(1Download and install

HP Support Assistant (Microsoft Apps Store)


HP Support Assistant


(2) Start <HP Support Assistant>

- Run <Battery Check>

- Click on <Show advanced information>

--->>> Send screenshot





(3Please report your results

HP Recommended

Hello @Frankfans 


(1) Double check with external monitor connected via vga/hdmi cable. Do you have the same error pattern (flickering) on external monitor ?


Shutdown notebook (No Sleep / No Hibernate)

- Power off external monitor

- Connect vga/hdmi cable

- Power on external monitor

- Power on notebook


(2Please report your results

† The opinions expressed above are the personal opinions of the authors, not of HP. By using this site, you accept the <a href="https://www8.hp.com/us/en/terms-of-use.html" class="udrlinesmall">Terms of Use</a> and <a href="/t5/custom/page/page-id/hp.rulespage" class="udrlinesmall"> Rules of Participation</a>.