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- HP Community
- Notebooks
- Notebook Software and How To Questions
- Calibrate HP Notebook 15 Laptop

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03-05-2025 07:38 PM
So i am having trouble understanding how to calibrate my HP notebook properly near the last steps. I have done this in the past and have got a successful calibration just that i forgot what steps i did.
this is what i did
Step one charge to 100%
Step two Use memory test to drain battery
Step three Wait 6 Hours before charging again (leave dead over night)
Step four Plug in and charge for 3 hours (closed lid till red light turns white )
Step five Turn on and wait 2 hours before running hp battery test to check it
on the last step should i keep the HP plugged in to run the test? Do i unplug it and turn it off then run hp diagnostics from bootup to run the battery test ( after letting it sit for 2 hours on) please reply asap.
03-09-2025 09:06 AM
Hi @Imverylost100, Welcome to HP Support Community.
Thank you for posting your query, I will be glad to help you.
For the last step, you should unplug the charger before running the HP Battery Check in diagnostics. Here's the correct approach:
- After charging for 3 hours (Step 4), turn on your laptop and let it sit idle for 2 hours while plugged in.
- Unplug the charger and then turn off your laptop.
- Boot into HP Hardware Diagnostics (UEFI) by pressing F2 repeatedly as you power it on.
- Select Component Tests > Power > Battery Test and run it.
Running the test with the charger unplugged ensures an accurate reading of your battery’s health.🚀
I hope this helps.
Take care and have a good day.
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Max3Aj
HP Support
03-09-2025 12:02 PM
Thank you for your response, @Imverylost100!
During the 2-hour idle period, it's best to keep the laptop awake rather than letting it sleep.
If it goes to sleep, the battery enters a low-power state, which might affect the calibration process. To prevent this:
- Adjust power settings: Set the sleep timer to "Never" under Control Panel > Power Options > Change plan settings.
- Leave the laptop on: You can keep it on the desktop or play a low-power video with the screen dimmed.
After 2 hours, you can shut it down, unplug it, and run the HP Battery Test in diagnostics. 👍
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Take care, and have an incredible day ahead!
Regards,
Max3Aj
HP Support