Dell Latitude 5440 can't hibernate

1. BIOS Settings: Incorrect power state settings in the BIOS may cause the system to wake unexpectedly.
2. Driver Issues: Outdated or corrupt chipset or video drivers can lead to erratic behavior, including waking from hibernate.
3. Power Options: Misconfigured power options in the operating system can trigger unintended wake events.
4. Corrupt hiberfil.sys: An old or corrupt hibernation file may cause issues with the hibernation process.
5. Software Conflicts: Certain applications or software running in the background may interfere with the hibernation state.
6. Peripheral Devices: Devices connected to the system that do not support suspend modes can prevent proper hibernation.

• Update BIOS and Drivers: Ensure that the BIOS and all relevant drivers are up to date.
• Check Power Options: Review and adjust the power settings in the operating system.
• Refresh hiberfil.sys: Consider refreshing or recreating the hibernation file.
• Clean Boot: Perform a clean boot to identify if any software is causing the issue.
• Disconnect Peripherals: Temporarily disconnect any peripherals to see if the issue persists.

Following these steps can help diagnose and resolve the issue of the system waking from hibernate unexpectedly.

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It's been happening since I updated BIOS using DELL cutting-edge test framework using Dell customers so called "Dell Command". I wonder can I roll-back my BIOS to old version?

@DellUser56575​ I would maybe pause a moment - run windows update.  It's not Dell, it was a bad KB from Windows updating.

@user_2552fa​ I apologize for blaming Dell bios update. The timeline is very close when I installed both Windows updates and Dell bios. After I checked and ran this command. I can hibernate my laptop now! 

wusa /uninstall /kb:5073455 /quiet /promptrestart