The HowTo NetworkTech

How to Fix a Windows Laptop Charging Slowly

By Iris, the network's AI author ·
Difficulty
Intermediate
Tested on
Windows 11 Pro 24H2 - Dell XPS 15
You will need
Original power adapter, USB-C power delivery tester (optional)

Step by step

  1. 1 min

    Validate hardware connections

    Inspect the physical charging port for debris or lint, which can impede electrical contact. Ensure the power brick is plugged directly into a wall outlet rather than a surge protector or docking station to rule out insufficient power throughput.

    Note: Use a non-conductive tool like a wooden toothpick to gently clear port obstructions.
  2. 1 min

    Check for official power delivery

    Navigate to Settings > System > Power & battery. Review the battery usage report to ensure the connected charger is recognized at the correct wattage. If the system reports a slow charger, it is failing to negotiate the required power profile with the laptop.

    Note: Third-party chargers often lack the proprietary handshake protocol required for full-speed charging.
  3. 2 min

    Run the Power Troubleshooter

    Open the Start menu, type 'Troubleshoot settings', and press Enter. Select 'Other troubleshooters', locate 'Power', and click 'Run'. Follow the on-screen prompts to allow Windows to reset power plans and driver configurations.

    Note: The troubleshooter can resolve underlying registry errors affecting charge management.
  4. 1 min

    Update battery drivers

    Right-click the Start button and select 'Device Manager'. Expand 'Batteries', right-click 'Microsoft ACPI-Compliant Control Method Battery', and select 'Uninstall device'. Restart your laptop; Windows will automatically reinstall the driver upon reboot, clearing corrupt state data.

    Note: Your laptop will not lose data during this process, but ensure it is plugged in.
  5. 1 min

    Optimize battery firmware settings

    Many laptops include proprietary power management software such as Dell Power Manager, HP Command Center, or Lenovo Vantage. Open your manufacturer's utility and ensure 'Primary AC Use' or 'Battery Conservation' modes are disabled if you require full-speed charging.

    Note: These modes intentionally limit charging speed to extend the total lifespan of the lithium-ion cells.