[Notebook] Troubleshooting - Slow Charging / Battery Draining while Plugged in

If you encounter issues with slow charging or your laptop battery draining while plugged in, please follow the troubleshooting steps below.


To provide you more detailed instruction, you can also click ASUS Youtube video link below to know more about How to fix the slow charging problems



Table of Contents:


Check the connection and appearance of the AC adapter

  1. Please use the ASUS original adapter for your laptop to avoid compatibility issues. Do not use the same adapters on different models due to the adapter specification may be different.
  2. Please check if the AC adapter connector is loose (marked in the image below: A-power cord plug / B-outlet side plug / C-NB side AC jack), or you can try connecting to different outlets.  
  3. Please check if the adapter or cable is damaged. If there is any damage, please contact ASUS service center for further information.
  4. If problems persist, please try to reconnect the power cord plug / outlet side plug / NB side AC jack.

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Update and confirm BIOS / Windows packages / drivers with the latest version in your laptop

Updating software usually helps the system stability and optimization, so we recommend you check and often update to the latest version in your laptop. Here you can learn more about:

How to update the BIOS version in Windows system

How to use EZ Flash to update the BIOS version

For executing Windows update and drivers update, here you can learn more about:

How to execute Windows Update

How to update drivers via customer support in MyASUS

If the problem persists after you have updated BIOS/Windows packages/drivers to the date, please continue to the next chapter for troubleshooting.

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Run Battery Diagnosis in MyASUS

  1. Type and search [MyASUS] in the Windows search bar, then click [Open]. (The left-side search illustration below is in Windows 11, and the right-side is Windows 10.) 
    If there is no result searched that means your computer may not install it, and please refer to How to install MyASUS
  2. In MyASUS, select [Customer Support]
  3. In [System Diagnosis], select [Battery problems] item. Here you can learn more about MyASUS System Diagnosis - Introduction
    Note: If there is no System Diagnosis tab in MyASUS that means your computer does not support this function, please ignore this step and go to the next. Here you can learn more about Why can I only see the partial features in the MyASUS app
  4. Please plug in the AC adapter, then click [Checkup]
  5. If any error occurs, please try the troubleshooting suggestions and possible approaches to resolve the problem in MyASUS.  If the problem persists, please continue to the next troubleshooting step.

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Check the battery charging time in Safe Mode

Some applications in Windows consume more battery power than others, so it might cause the slow charging. Please try to measure the battery charging time in Safe Mode and compare it with the normal charging time when operating in Windows operating system. Here you can learn more about How to enter Safe Mode.

If the difference in time is significant, it means there may be some applications or background programs that could have faster battery power consumption in Windows. If you do not know which applications are the cause, please try to reset your PC. Here you can learn more about: How to reset the system.

Note: Please backup your personal files, then reset the PC.

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If your problem is not worked out with above solution and information, please contact ASUS customer service center for further information.