Low battery warning

[TracyAK]

My OMEN Obelisk Desktop is plugged in and giving me hourly low battery warnings through the speaker system. How do I find out if my battery needs to be replaced?

[Kuroi_Kenshi]

Hi @TracyAK,

Welcome to the HP Support Community! 

Thanks for reaching out about your query regarding your PC!

We're thrilled to have the opportunity to assist you and provide a solution.

Typically, desktop computers like the OMEN Obelisk do not run on battery power, and thus, receiving a low battery warning might be unusual. However, this could be related to your system's CMOS battery, which powers the BIOS firmware settings. Here's how to diagnose and address the issue:

Check CMOS Battery:

• Purpose: The CMOS battery maintains the system settings such as the time and BIOS settings when the desktop is powered off.
• Procedure:
  • Ensure the desktop is turned off and unplugged.
  • Open the side panel of the desktop case.
  • Locate the CMOS battery on the motherboard (usually a coin-cell battery like a CR2032).
  • If accessible, gently remove the battery and reseat it. If it is indeed low, consider replacing it with a new one.

System Notifications:

• Check if the warning messages are coming from a software application rather than the system hardware. Occasionally, UPS systems (if connected) can generate similar warnings if their battery needs replacement.

Check UPS (Uninterruptible Power Supply):

• If your desktop is connected to a UPS system, make sure the UPS's battery is functional. Over time, UPS batteries can deplete and may start sending low battery warnings.
• Refer to the UPS manual for steps on how to check its battery status and replace it if needed.

Update BIOS/Drivers:

• Download and install any available updates for your BIOS or drivers from the HP Support website. This can sometimes resolve miscommunication issues between the hardware and OS that trigger erroneous warnings.

I hope this helps.

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Best regards,