I put the computer in sleep mode and now it won’t turn on after a few hours of sleep mode.

[JettDanowski]

It won’t turn on after being in sleep mode for a few hours.

[zoey7886]

@JettDanowski, 

Welcome to the HP Support Community!  

Thanks for reaching out about your query regarding Sleep Mode Issues! 

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

If your HP computer is not turning on after being in sleep mode for a few hours, here are some troubleshooting steps you can follow:

1. Wake Up the Computer:

   • Ensure that you are pressing the correct button to wake up the computer. If you are using a laptop, press the power button briefly.
   • Try pressing any key on the keyboard, moving the mouse, or using the remote control (if applicable).

2. Power Cycle:

   • Disconnect the power supply and remove the battery (if removable).
   • Press and hold the power button for about 15-20 seconds to discharge any remaining electrical charge.
   • Reconnect the power supply and battery, and try turning on the computer.

3. Check Power Settings:

   • Verify the power settings to ensure that the computer is set to wake from sleep mode properly.
   • Click the Windows Start Button, go to Control Panel > System and Maintenance > Power Options, and adjust the settings.

4. Update Drivers:

   • Make sure that your power management and system drivers are up to date. This can often resolve sleep mode-related issues.

5. Hard Reset:

   • For desktops: Unplug the power cord, wait a few minutes, plug it back in, and try turning on the computer.
   • For laptops: Remove the battery if possible, disconnect the charger, wait a few minutes, then reconnect everything and power on.

Hope this helps! 

Take care, and have an amazing day!  

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Regards,