HP Notebook 15s-fq1003na uncontrollable screen flicker on start up. Reboot solves it.

[Ian-A-24]

Very recently my laptop screen has started consistently flickering on Start up. It's unreadable and the laptop appears to start up too quickly possibly without everything it needs. A hard restart is needed and invariably the restart gets it working perfectly - with a noticeably longer wait on the HP logo page including circular wait cursor.. The only thing I've noticed different is a recent update must have forced the HP Assistant into start up apps as prior to the problem it was always background. Disabling this in start up does not clear the problem. I've checked for both Win 11 and Driver updates and everything appears to be up to date.

Help gratefully received.

[ub6424]

Hello @Ian-A-24 

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

(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

(2) Please report your results

[Ian-A-24]

Hi

Thanks for the assistance, and apologies for the delay. I had to find the appropriate monitor with HDMI.

I've tested this morning and the flicker is not on the external monitor. On start up the Laptop screen was unreadable but the External monitor was fine. A restart of the laptop then brought that to life (and I'm typing this on it now).

Does this give a clearer idea of what the problem might be?

Regards

Ian

[ub6424]

(edited) Possibly a software problem.

[Ian-A-24]

Hi

To me a loose cable does not seem likely for these two reasons

- it always behaves perfectly once it starts up correctly. 

- the restart or hard reset always corrects it. 100% so far in 3 weeks of use since the problem arose.

In either of these cases a loose cable would surely manifest itself at some point other than start up.

This is not a laptop that has a hard life either - it pretty much stays in the same position on a desk all the time.

Are there any other suggestions please?

I've seen another thread for someone with the same laptop and the same issue

https://h30434.www3.hp.com/t5/Notebook-Video-Display-and-Touch/System-screen-blinking-as-soon-as-i-t...

Thanks

Ian

[ub6424]

Hello @Ian-A-24 

Let's continue ...

Let me check your basic system configuration.

(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) Start Windows <Device Manager>

- Expand <Display adapters>

- Expand <Monitors>

--->>> Send screenshot

(3) Please report your results

[Ian-A-24]

Please see below.

and

Thanks

Ian

[ub6424]

Hello @Ian-A-24 

(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

F.26 Rev.A

31.2 MB

Aug 25, 2022

Download

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) Download and install / update

Intel High-Definition (HD) Graphics Driver

27.20.100.9664 Rev.E

379.7 MB

Aug 10, 2021

Download

(6) Reboot Windows

(7) Test your notebook

(8) Please report your results

[Ian-A-24]

Hi

I've done but those updates and the issue appears fixed. 

I'll leave the thread open over the weekend so that I can test some more, but looking good so far.

Thank you for your assistance.

[ub6424]

Hello @Ian-A-24 

Thanks for reply.

Create Windows system <restore point> to save the current stable state !

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

Keep an "eye" on your screen and report back.

Kind regards