How to Fix laptop lags when plugged in (Reasons Best Solutions)

We all have a habit of using laptops while charging the simple reason is we do not want the machine to reduce its battery backup.

Working on a plugged-in laptop generates better performance, and additionally after certain use laptop drains its battery so at some point you need to plug it in.

However sometimes the laptop starts lagging, this weird situation can be frustrating and consumes a lot of valuable time, this is more painful if you work on heavy projects or play games as in such situations laptop uses its power fast.

For instance, there are many reasons why your laptop starts slowing down while plugged in, it’s very essential to identify so let us discuss the reasons and how to fix laptop lags when plugged in.

Moreover, there are many solutions to fix this lagging and performance issue where you do not necessarily need any technical knowledge so do not worry read through the complete detail.

Also read: FPS drop when the laptop is unplugged 

How to fix laptop lags when plugged in for charging

laptop lags when plugged in

The first step is to check the settings of the processor as sometimes the CPU reaches maximum clock speed during heavy usage.

As manufacturers keep the CPU at default settings where the laptop uses the processing speed and cores according to the need, this is where after a certain limit laptop starts to underperform.

As a result, the machine not only lags in speed but also drains the battery faster, this puts a lot of impacts even during charging, additionally, you can set up turbo boost settings at a lower level during normal usage.

For instance, if you do not use machines for highly productive work like video editing, 3D modeling, and gaming, in this case, the laptop hardly uses maximum clock speed so underclocking the CPU not going to put any issues on your laptop performance.

Furthermore, users who utilize the laptop for heavy work can manage the settings, specially dedicated graphics cards require a lot of energy so underclocking the video card enhances the battery backup.

Though both CPU and GPU won’t damage the laptop yet due to the load both affect the battery to a large extent.

However, there are many ways to underclock the CPU through BIOS settings, and for GPU you have to use the MSI afterburner application as it’s quite user-friendly and easier to operate, few others are Riva tuner and Nvidia Inspector.

Also Read: Laptop only works when plugged in 


This is more likely to put a lot of stress on the laptop that is meant for gamers and streaming, where the CPU and GPU always run on high processing power, additionally rendering is another reason for the laptop to get hot.

However, before going into solutions check the heating temperature of the device and again utilize MSI afterburner, you can track all the data including the performance and usage of the components.

After installing and properly setting up the software you can see complete detail on the screen like temp, CPU, and GPU usage, if the laptop is generating continuously 90 degrees or above then you need to find a solution best way is to use cooling pads.

Some of the basic steps you can take are cleaning the laptop on regular basis from the outer to the inner side.

Additionally, check the thermal paste as over time it starts to fade away, moreover cleaning the inner component is tricky at times you can take the help of an expert.

Another thing is to take care of gaming laptops like trying to avoid using the machine on your lap or bed, and sofa as using it on a lap can block the airflow, so always use a proper desk or table.

Also Read: Do gaming laptops overheat 

Check the power adaptor:

The high possibility is laptop adaptor has been damaged or not working properly just make sure to check this, and in case it’s not functioning consider buying a new adaptor to charge your laptop.

However, do not try to experiment with other brands’ power adaptors, additionally, before purchasing a new one it’s very essential to try using similar power wattage brick to ensure that you really need to change the adaptor.

Take the equipment to the service center to request either adaptor having any problems.


Check the power settings

Another possible reason your laptop slows down while plugged in might be due to any unwanted changes in power settings, go into the search bar visit power settings, and enabled the default option this can solve the issue of lagging and helps to boost performance.

Also Read: Are gaming laptops good for everyday use 

Update the drivers and applications:

Have you ever checked the status of drivers in your laptop, there are certain hardware drivers in your system that are not updated and can cause a big issue.

Ideally on a regular basis updating must be done, so check the driver’s status including battery, audio, GPU, and processor drivers.

To do this you should go again to the search bar & type Device manager now click on it and just right-click on each option, however, it might not show you the results immediately.

Then another way is to uninstall the drivers and restart the machine windows do the rest, that is it you are done if it is not working yet then watch the videos on the web there are many tutorials available.

After driver installation to the latest one, you must also check the applications that you are using on your laptop.

As software associations keep upgrading their applications, and if you are using an old version then chances are the laptop is lagging due to the older version applications, also you can visit the section to delete unwanted old applications.


Update BIOS Settings

The BIOS handles your basic system which makes the Operating system more efficient and also helps to load the computing machinery smoothly, so properly constructing BIOS is a must to function the machine.

Moreover, there are chances BIOS has an issue due to the wrong setup so, at this point, you have two options either to Reset or update BIOS, the suggestion is to Reset first and if still not working then you can update it to the new version.

Also Read: How to charge laptop with HDMI 

Check battery health

If none of the above works then it’s time to check the laptop’s battery condition, typically laptop’s battery works fine for 2-3 years depending on usage.

If your laptop continuously operates on a very heavy load then chances are the laptop’s battery starts to drain and this is also the reason why the laptop lags when plugged in for charging.

The laptop gives signs that the battery is outdated or dead like the machine starts to heat up, does not charge up even while plugging, and drains quickly.

Overall it’s better to replace the current battery with a new one, and also if not sure take the help of an expert to know.  

Also Read: How to get data off a broken laptop 

Check the hardware usage

Another factor you can also consider before taking any decision on a buying new laptop, check if the hardware usage has increased like you constantly running games or working on any demanding software.

As a possibility, you are working on something that the hardware is not capable of handling.

Moreover, you can plan to upgrade the hardware in the laptop, the sad part is processor or graphics card is not replaceable in the laptop.

Yet Ram and SSD drive is definitely upgradable, especially in modern models every brand is offering this feature, and upgrading specs can also enhance performance during intense tasks.

Final words: 

So here it is, buggy and the slow machine is a headache while closing suggests you inspect the anti-virus as the harmful virus damages the laptop’s efficiency including battery health.

However, nothing works then as suggested last option is to either replace the battery or buy a new laptop.

Hope this post helps you to fix the issue of laptop lags when plugged in for charging, in the case have any doubts post your comments we are happy to guide also share your thoughts on this subject and how you came through this situation.


Leave a Comment

Your email address will not be published. Required fields are marked *