My hp pavilion starts beeping after shutdown I changed idle power savings to normal.

[Riteshh]

I was trying improve performance of my desktop 

[Alden4]

Hi @Riteshh,

Welcome to HP Support Community.  

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

The beeping sound that you hear after shutting down your HP Pavilion could be caused by several factors. Here are some things you can try to troubleshoot the issue.

• Check for hardware issues: The beeping sound could be a sign of a hardware issue. Make sure all hardware components, such as the RAM, hard drive, and graphics card, are properly connected to your computer. You may also want to consider running a hardware diagnostic test to identify any issues.
• Update drivers: Outdated or faulty drivers can also cause beeping sounds after shutdown. You can update your drivers manually through the Device Manager in the Control Panel or use a driver update software tool.
• Check for malware: Malware can cause various issues with your computer, including beeping sounds after shutdown. Run a full scan with your antivirus software to check for any malware or viruses.
• Reset BIOS settings: If the issue persists, try resetting the BIOS settings. You can access the BIOS by pressing the F10 key during startup. Once in the BIOS, look for the option to reset to default settings.

I hope this helps. 

Take care and have a good day.

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Alden4
HP Support