Black stripe flashing on the screen

[ftr150482]

Hi everybody,

The center of my laptop screen has a black stripe, 5cm wide, that flashes from the top to the bottom of the screen!

Could anyone help me solving that problem?

Thanks in advance!

[Irfan_06 · Accepted solution]

Hi @ftr150482,

Welcome to HP Support Community.

Thank you for posting your query, I will be glad to assist you.

I understand you're experiencing an issue with your Laptop screen that has a vertical stripe.

I apologize for any inconvenience this may have caused, I'm here to help you today.

Follow the below steps to access the BIOS menu.

1) Hold the power button for at least five seconds to turn off the computer. (Wait for a few seconds after releasing the power button)

2) Turn on the computer and immediately press Esc repeatedly, about once every second. When the menu is displayed, press the f10 to access the BIOS menu.

If the issue appears on the BIOS, there is an issue with the hardware.

Or

Kindly refer to the steps on this link to update the BIOS and let me know if that fixes the issue.

Make sure you keep only the charger plugged in while updating the BIOS for your PC.

Click on the + sign next to BIOS and then download the file.

Open the file and follow the on-screen instructions to complete the update.

If the issue still persists, please click on this link for advance troubleshooting.

Please mark this post as “Accepted Solution” if the issue is resolved and if you feel this reply was helpful click “Yes”.

I hope this helps.

Take care and have a great day ahead!

Irwin6

HP Support

[ftr150482]

Hi Irwin6,

Thanks for your assistance.

I updated the bios, but it didn’t work.

Then, I clicked in the last link you asked me (troubleshooting) and I noticed that flickering screen needs a hardware repair.

It is so sad for me, because I bought my laptop four months ago (on July 2024), in Boston… It is new, I bought it at Microcenter! I live in Brazil and brazilian HP does not give me warranty, because the product was not adquired in Brazil!

Probably, I will not buy a HP laptop next time!

Again, thank you, Sir!

[Irfan_06]

Hi @ftr150482,

I am sorry to hear that the above steps did not help much but i do appreciate your efforts in performing the troubleshooting steps.

It seems like an issue with the laptop hardware as you have exhausted all the possible troubleshooting steps to fix it. We appreciate your understanding and patience.

I've sent you a private message with the instructions to get in touch with the HP phone support to assist you further. In order to access your private messages, Click the Private message icon on the upper right corner of your HP Community profile Next to your profile Name, you should see a little blue envelope, please click on it or simply click on this link

Take care and have a great day ahead!

Irwin6

HP Support

[ftr150482]

Hi, Mr. Irwin!

I appreciate your atention, thanks!

So, I have bought an external monitor and it worked perfectly, without flickering the screen!

As the external monitor does not flicker, is it possible to identify exactly what is the problem with laptop´s screen?

Thanks again!