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HP Recommended
HP All-in-One PC 24-dp0000wa (7TT88AV)

Help! My desktop keeps flashing off and on. It’s an all in one 24-dp0014. Only one plug going into the back of the screen and I’ve already disconnected it and restarted it.  What do I do? 

3 REPLIES 3
HP Recommended

Hi @Lianag27,

 

Welcome to the HP Support Community

 

I understand you are facing an issue with your HP All-In-One PC 24-Dp0000wa (7TT88AV) flashing off and on. The screen is not turning on Not to worry I will help you to get a resolution to resolve the issue.

 

May I know 

Do you see an HP Logo when you try to turn on the unit and then the screen goes blank or blue screen, If Blue screen Have observed any error message?

Or Do You see a Display that is flashing 

 

Please try the following Troubleshoots steps. 

 

1.    Turn off the Unit.

2.    Disconnect the AC adapter.

3.    Remove any discs from the disc drive.

4.    Remove memory cards from the card reader slot.

5.    Disconnect all nonessential peripheral devices, such as printers, scanners, external hard drives, and USB flash drives.

6.    Disconnect the AC adapter press and hold the power button for approximately 15 seconds.

7.    Reconnect the AC adapter, and then turn on the computer.

 

Step 2

Turn off the unit and please press and hold the Windows key + letter B key and the power button together for 30 seconds after 30 seconds, 1st release the power button but keep holding the Windows key and B key for ten more seconds and then release these two keys If done correctly, you will see the display flashing once. Please attempt it thrice as this step and Restart the unit

 

Step3

 

The unit has to be turned off, Press Win+ V while holding these two keys then Press the Power button, continue to hold all three keys for 30 seconds and then release the Power button first and then release these two keys Please attempt it thrice  and then you may get a Pop-Up CMOS Check and it will restart the unit 

Even if you don't get a Pop-up restart the unit manually after 3 attempts.

 

After the above  troubleshooting steps if the unit  turns on 

If the screen is flashing  then please go to the BIOS screen and check if the screen is flashing or not 
 

Turn off the computer and wait five seconds.

Turn on the computer, and then immediately press the esc key repeatedly until the Startup Menu opens.

Press f10 to open the BIOS Setup Utility.

 

Please  update Windows and HP support assistances updates 

And update Bios and other drivers please click on the link. to update the drivers. 

follow this link to run the test hardware test 

 

I hope this helps! Keep me posted. 

 

Please click “Accepted Solution” if you feel my post solved your issue, it will help others find the solution. Click the “Kudos/Thumbs Up" on the bottom right to say “Thanks” for helping!


A_Gayathri
HP Support Community Administrator.
HP Recommended

Incompatible or Outdated Graphic Drivers
Outdated or incompatible graphics drivers are a common cause of screen flickering. The graphics driver on your laptop bridges the operating system and the screen. Screen flickering occurs when these drivers are either out of date or incompatible.

 

Regards,

Diana

HP Recommended

@Dianahemes24,

 

Thank you for your response, I really appreciate your efforts. As the issue still persists, I'm sending out a private message to assist you with the next course of action. 

 

Please check your 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.

 

Hope this helps! Keep me posted for further assistance.

 

Please click “Accept as Solution” if you feel my post solved your issue, it will help others find the solution. Click the “Kudos, Thumbs Up" on the bottom right to say “Thanks” for helping!


A_Gayathri
HP Support Community Administrator.
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