Hey there! @Redflex, Thanks for stopping by the HP Support Forums!
I understand you have performance issues and you hear a loud fan noise with your PC.
Don't worry I'll try to help you out.
Did you make any hardware or software changes on your PC?
As you mentioned you have performance issues and you hear a loud fan noise on your PC.
First, try updating the BIOS on your PC and check if it helps.
Link to update the BIOS
Try the steps recommended below.
I would suggest you enable Fast Start-Up on the system and check if it helps. To do this, follow the steps below.
1. Open Control Panel and go to Power Options.
2. Click/tap on the Choose what the power buttons do link on the left side.
3. Click/tap on the Change settings that are currently unavailable link at the top.
4. If prompted by UAC, then click/tap on Yes.
5. Ensure that Turn on Fast Startup is checked.
6. Restart the computer.
You can also try updating the drivers using HP support assistant.
Refer this article to know more information about using HP support assistant.
If the issue still persists after trying out the steps try the steps recommended below.
In Windows, search for Command Prompt. In the search results, right-click Command Prompt and select Run as administrator. Then click Yes.
In Command Prompt, type sfc /scannow. Make sure to include the space between sfc and the /.
Press Enter and wait while System File Checker scans for corrupted files.
When scanning is complete, the results are displayed on the screen.
If the file checker found and replaced any corrupted files, restart the computer and check the performance.
If the file checker did not find any corrupted files or found corrupted files but could not replace them, go to the next step.
If System File Checker finds corrupted files but cannot replace them, use the Deployment Image Servicing and Management (DISM) tool. DISM checks the corrupted files; then downloads and replaces the files using Windows Update.
In Windows, open a web browser.
NOTE:
You need to be connected to the Internet to use DISM.
In Windows, search for Command Prompt. In the search results, right-click Command Prompt and select Run as administrator. Then click Yes.
In Command Prompt, type dism.exe /Online /Cleanup-image /Restorehealth. Make sure to include the space before each / in the command line.
Press Enter and wait while DISM works. This might take several minutes.
If DISM finds corrupted files, it replaces them using Windows Update. If this occurs, after DISM is finished, restart your computer and see if the performance has improved.
Refer this article to further troubleshoot lock up or freezing issues with PC.
If the issue still persists try running a system diagnostics test on your PC and check if the hardware on your PC is functioning correctly.
Refer this article to know more information about running system diagnostics on your PC.
If the solution provided worked for you, please mark accepted solution for this post.
Hope this helps!
Have a great day! 🙂
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A4Apollo
I am an HP Employee