15-dc1036nq goes 3, 4 times unexpectedly in standby in the first hour after start

[user314]

Have an Omen model 15-dc1036nq. Entering  on the unexpected standby happens with external power connected. 

[VikramTheGreat]

Hi @user314,

Welcome to the HP Support Community.
 

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

Your OMEN 15-dc1036nq entering unexpected standby even when plugged in usually points to a power management or thermal control issue, sometimes triggered by Windows updates or OMEN Command Center settings. Here’s how to troubleshoot:

1. Check Windows Power Settings

• Go to Settings → System → Power & Sleep → Additional Power Settings.
• Ensure: 
  • Plugged in → Sleep = Never.
  • Disable Hybrid Sleep under Advanced Power Settings.

2. OMEN Command Center Settings

• Open OMEN Gaming Hub (formerly Command Center).
• Check Performance Control and Thermal Settings.
• If Dynamic Power or Sleep Timer is enabled, turn it off.

3. BIOS & Drivers Update

• Update BIOS and chipset drivers from HP: 👉 Official HP® Support
• An outdated BIOS can mismanage AC power detection.

4. Disable Modern Standby

• Some OMEN models use Modern Standby (S0 Low Power Idle), which can cause random sleep.
• Check with: powercfg /a
• If Modern Standby is active, you can switch to Hibernate or Sleep only (I can give exact steps if you want).

5. Thermal or Battery Trigger

• If the system overheats or the battery reports abnormal values, Windows may force standby.
• Run HP Hardware Diagnostics (F2 at boot) → Battery & Thermal tests.

6. Event Viewer Check

• Press Windows + X → Event Viewer → System Logs.
• Look for Kernel-Power or Sleep Transition events to confirm the trigger.

👉 Official HP guide: HP PCs - Sleep and Hibernate issues in Windows 10 | HP® Support

I hope this helps.

Take care and have an amazing day!
 

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Regards,

VikramTheGreat