battery/shut down issue

[basuage]

My laptop keeps dying at percentage that it is not low first it started at 40%, whenever it gets to 40% it will automatically shut down  and semi boot and shut down and doesn't come on until a charger is plug and it will show 40% but now it as jump to 90% whenever it get to 90% it will shut down and won't come up but rather semi boot until a charger is plugged in it before it work ,  i  have tried removing the battery and pressing the power button didnt work have troubleshoot have reinstall drive still not working

[VikramTheGreat]

Hi @basuage,

Welcome to the HP Support Community.
 

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

It sounds like your HP laptop battery is misreporting its charge level, causing it to shut down unexpectedly at high percentages (first at 40%, now at 90%). This is a classic sign of a battery calibration issue or battery degradation.

Steps to Fix It

1. Battery Calibration (Manual Method)

Try recalibrating the battery to reset its charge reporting:

1. Fully charge the laptop to 100% while powered off.
2. Boot into Windows and disable sleep/hibernate:
   • Go to Control Panel > Power Options > Change plan settings > Put the computer to sleep > Never.
3. Let the laptop fully discharge until it shuts down on its own.
4. Leave it off for at least 2 hours.
5. Plug it in and charge to 100% without interruption.
6. Restart and check if the issue persists.

2. Run HP Battery Diagnostics

• Restart the laptop and press Esc, then F2 to enter HP PC Hardware Diagnostics.
• Run the Battery Test.
• It will show battery health and whether it needs replacement.

3. Update BIOS and Battery Drivers

• Use HP Support Assistant or visit the HP Drivers Page Official HP® Support.
• Update:
  • BIOS
  • Battery firmware
  • Chipset drivers

I hope this helps.

Take care, and have an amazing day!
 

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Regards,

VikramTheGreat