Screen goes blinks black and turns back on

[Abi_Guyette]

Hello I just got an HP computer and ever since we got it the screen will blink black and then turn back on. I've tried looking on the computer and have looked in the task manager to find things but I cant find anything that will fix the problem. Please help me! Thank you!

[Riddle_Decipher]

@Abi_Guyette Welcome to HP Community!

Note: Please ensure the complete product name/number for a quicker response from the community, as we need to know what we are dealing with to provide an accurate solution: Click here for steps on finding the information we need!

Remember: Do not share any of your personal information such as serial, phone number, email ID, etc.

Here's what you need to do, to identify the issue and resolve it accordingly:

• If not done already, check if it works fine on the BIOS screen to identify if it's either a hardware or a software issue:
  • If it works fine on the BIOS (Accessed while tapping F10 during a restart) it's a software issue & I suggest creating a new user account to check if that works better, for starters)
  • However, if it doesn't work within the BIOS either, I'm afraid it's a hardware malfunction.

While you respond to that, I have a few more steps that should help:

Attempt to run a test from the HP hardware diagnostic tool, using this link: Click here for details.

If the display isn't appearing normal on the diagnostics, it could again, determine a hardware failure,

If it works on bios & the hardware tests passed: please update the BIOS, Chipset & Graphics card drivers from the HP website using this link: Click here

if the issue persists, reinstall windows using the recovery partition or the recovery media to fix the issue,
use this link for details on performing the recovery: Click here

Let me know how that pans out,

If you feel I was helpful, simply click on Accept as Solution to help the community grow,

That said, I will have someone follow-up on this to ensure you've been helped,

Just in case you don't get back to us within 24 - 48hrs, and have a good day, ahead.