Plugged In, Not Charging: Why My Laptop Can’t Charge Beyond 70%

Posted on March 12, 2022Comments Off on Plugged In, Not Charging: Why My Laptop Can’t Charge Beyond 70%

Most people who have used different types of laptops over the years must have experienced this situation, you plug in your laptop on power. It shows the icon that charging is in progress but it is no longer charging. It says plugged in not charging and nothing you do would make it go beyond 70+ percent. I experienced this issue twice, with a Dell laptop and an HP PC.

Laptop not charging to full capacity: These may be the reasons

Your charger is wack

Just because a charger can fit into your charging port doesn’t mean that the charger can actually charge your laptop battery. And just because a charger can charge your laptop does not mean it can charge it to full capacity – its strength may not cover going all the way. The charger may have a low voltage and might not be able to go all the way, or its make is not aligned to the laptop product.

All the times I experienced this issue, the chargers in question were not the original chargers that came with the laptop. They were bought chargers, the original having been lost to a burnout. This tells me that the new chargers didn’t have the power to go all the way.

But the point of confusion here is that most of the time, this charger starts by charging to the full capacity then would at a point drop its capacity to 70 percent. What suddenly happened? Perhaps it is not just about the charger.

You are on desktop mode

Some laptop-makes come with the desktop mode for the battery. It is believed that when a laptop charges 100 percent frequently, it would affect the lifespan of the battery. So to save your battery, some products enable you to conserve power by giving you the option to never have your battery fully charged. You may never have enabled this system yourself but you can never really tell.

So right-click on your battery and you would see if you have inadvertently enabled this service or not. You may see if your system even has the service or not. If your system does have it, disable it.

Your battery needs a recalibrating 

Unplug the charger from the laptop, shut the system down, remove the battery. Now, hold the power key for 15 to 30 seconds in order to drain the residual power totally from the system. Now let up to three hours pass with the battery outside the system, then return the battery into the system, plug the charger in the socket and let it charge.

Do not switch your laptop on. Let it charge on its own. Return to see how much your laptop has now charged. If it is still stuck at 69 or 71%, then you now know it is not a rebooting problem.

Run diagnostics 

Some laptop brands, such as Dell, have an option for online diagnostics. If your battery is all right, they would tell you “your battery is performing normally” but this has mostly come out untrue as many people with plugged in, not charging issues have seen “performing normally” at the end of a diagnostic run.

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For HP, go to Windows, search for and open HP Support Assistant, select the My devices tab, then select your PC from the device list. Now, click the Troubleshooting and fixes tab, then select Battery Check. Wait while the battery check completes. Now, this check will tell you all that you need to know. This does not usually tell you the true state of your battery. When I had this issue with my laptop not charging to full capacity, it told me my battery is all right.

In defense of them, my suspicion was on the battery, not the charger.

Test another battery/conclusion

If you have the luxury of another battery compatible with your laptop lying around or in your colleague’s or sister’s laptop, you can test them in your own system and see if it would charge beyond 70%. If it charges beyond 70% and up to 100% then it is the problem of your battery but that doesn’t mean that your battery has hit the end of its lifespan. There are cases when you would return your battery into the system and it would now charge up to full capacity. In this case, what the system needs is a rebooting by the power of having another battery come in and go out.

If you return your battery and it doesn’t still charge beyond 70%, while it means it is a problem with the battery, it doesn’t mean it is the end of the life of the battery. 70% is a good score on any exam, so you may go on and use the battery like that as long as you have constant power, you are good to go, you may never have cause to run out of battery.

In some cases, people have complained that their battery charging capacity keeps falling after every switching on, from 69% down to 68%, 67%, 66%, 63%, 61%, 57%, heading down to 0. It is showing that the battery is gradually retiring. And as this happens, you would notice that the battery power is also falling.

It may have been 6 hours when the battery is fully charged, now, at 68% it is just above two hours. If you are sure it is a battery problem, and it usually is, consider replacing the battery.

This might also be the cue that it is time to get a new laptop.

Image source: IndiaMART