PC shuts off (assumed overheating, no message appears) after brief period of time

[Pokeyster]

Hello

An issue that has been getting worse and worse for me has been that my PC shuts completely off after a short period of time, now around 1 hour. I used to have the same problem, however, it would shut off after 4-5 hours, and after it being fully shut down for a few hours it would return to normal. I read that dust accumulation can be an issue, although I cannot see any dust in the vents. Do you recommend opening the computer and dusting the fan itself inside the computer with compressed air? Or are there other potential issues that dusting will not fix?

[Pokeyster]

Can anyone give a suggested set of possible solutions?

[EmeraldAvenger · Accepted solution]

Before I provide troubleshooting documentation @Pokeyster, I would like to take a minute to welcome you to the HP Support Community!

I will do my absolute best to help you resolve the shut down issues that you have experienced on your HP ENVY 15-j023cl Notebook PC.

You had asked if dust can be a factor. The answer is absolutely! I have seen it in the past where the whole reason for the complication was dust in the Notebook. I highly recommend keeping the Notebook dust free on a frequent basis.

Please use the links in the questions below to troubleshoot and then re-post with the answers to the questions/results of the troubleshooting. 

Have you tried to start in Safe Mode?

Have you done a BIOS reset?

Have you tried to do a disk defragment?

Have you tried to do a disk cleanup?

Please try cleaning the vents inm your Noteobok

Is the Fan Noisy or Spin Constantly?

Is the PC Warmer than Normal? 

Have you tried Testing for hardware failures?

Here are some documents for you that may help:

• Computer Locks Up or Freezes 
• Resolving Slow System Performance.  
• Reducing Heat Inside the PC to Prevent Overheating

If this post helps you to resolve the issue, please pay it forward by clicking Accept as Solution button, to the right of the thumbs up icon. You can click the Thumbs up icon to show your appreciation for my efforts today!  

If you require further assistance, I would be more than happy to continue to help. When you re-post, please provide me with the detailed results from the troubleshooting above.

Thank you for joining in!

Have a wonderful day!