Try Basic Fixes
- Install Windows updates: If you have disabled automatic updates on your device, you might need to look for newer updates manually. If the issue with the battery reading is caused by a bug, installing newer updates will most likely fix it.
- Perform a power cycle: Performing a power cycle clears residual charge from the laptop’s capacitor and resolves any common issues. Press off your laptop and unplug all the external devices, including the battery. Then, press and hold the physical power button for 15-20 seconds. Re-insert the battery after a minute, and power on your laptop.
Fix 1: Calibrate Your Laptop Battery
Calibrating your laptop battery is another option to rectify inaccurate battery readings. Before that, you must adjust the power management settings so they don’t interfere with the battery calibration process.
Step 1: Press the Windows key + R to open the Run dialog box > type powercfg.cpl in the text field > press Enter.
Step 2: In the Power Options window, click Change when the computer sleeps.
Step 3: Set all the drop-down menus to Never > click on Change advanced power settings.
Step 4: Double-click on Battery and then Critical battery action. Then, use the drop-down menus to choose Hibernate for the On battery and Plugged in options.
Step 5: Double-click on the Critical battery level and use the drop-downs to set the values to as low as possible. Then, hit Apply, followed by OK.
After you’ve configured the power management options, calibrate your laptop battery by following the steps below.
Step 6: Charge your laptop battery to 100% and leave it plugged in for at least a couple of hours after that.
Step 7: Unplug your laptop and start using it. Allow your laptop to discharge fully and shut down on its own.
Step 8: After your laptop runs out of power, plug it back in and charge the battery to 100% again.
Fix 2: Re-Enable Battery Adapter
The battery adapter on your computer allows Windows to communicate with your laptop’s battery. If this adapter is experiencing issues, Windows may fail to derive the necessary details and display an incorrect battery percentage. Here’s how to fix it.
Step 1: Press the Windows key + S to open the Windows search menu > type device manager in the box > press Enter.
Step 2: Click the arrow before Batteries to expand it. Right-click on the battery adapter > select Disable device.
Step 3: Right-click on the battery adapter again > select Enable device.
Fix 3: Update or Reinstall Battery Drivers
If restarting battery drivers doesn’t help, it’s time to update them. The idea is to fix any issues caused by outdated or malfunctioning battery drivers.
Step 1: Open Device Manager on your PC.
Step 2: Under Batteries, right-click on the battery adapter and select Update driver.
From there, follow the on-screen prompts to finish updating the driver. If the problem persists, the battery driver may be corrupted. So, try uninstalling the driver using Device Manager. Once removed, restart your PC to allow Windows to install the battery driver during boot. Then, check if the issue persists.
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Last updated on 09 August, 2024
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