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How to fix a laptop or MacBook battery that won't charge

So your laptop or MacBook battery is plugged in but not charging. Most laptop and MacBook batteries typically last up to four hours, but after a few years, they can start to decrease in time. if your laptop no longer holds a charge, there are some simple solutions.

At ExpressTech, our technicians help our customers diagnose and resolve their device problems and get the most out of their tech devices. Here are their tips for repairing your Laptop or MacBook battery.

Why is my laptop battery not charging?

Aside from an ageing battery, there are two other common reasons your laptop may no longer charge:

The charging cable connection could be better.

We frequently come across this issue, and it could be causing trouble for your laptop battery in several ways:

  • Your charging cable could be loose, unplugged, or damaged.
  • Your charging cable could have a weak connection because it is not the correct charging cable from your manufacturer.
  • Your charging ports could have dirt or debris that keeps it from powering up correctly.

Is the laptop overheating or overworked?

Your laptop battery creates heat, but it could get too hot and no longer function or charge. Even a newer laptop can sometimes overheat, though it's more often the case with older laptops with older batteries. 


Steps to fix a laptop battery that won't charge

No matter the make or model of your device, there are several ways to boost your battery. Here's what our technicians recommend:


Please turn off your device and wait 30 minutes before you turn it back on. Then connect the charging cable and see if your laptop gets some power. This can also help your device cool down if it's overheating.

  • Inspect your laptop's charging ports and see if there is any dust or debris. Need to clean them? You can use a slightly dampened cotton swab in isopropyl alcohol or compressed air. Ensure you let the ports dry completely before plugging the cable back in.
  • If your charging ports are loose or damaged, don't try fixing them alone. Instead, take your laptop to our store for a quick repair.
  • Please look at your cables and ensure they're plugged in correctly. Avoid using unofficial charging cables, and only use one designed for your specific laptop.
  • Test the wall outlet or surge protector and make sure it's working. If not, try plugging your laptop into a different one to see if that fixes the issue.

Remove the Battery

  • Take out your laptop battery—if it's detachable—then put it back in. Try turning the laptop on, and if it doesn't start, remove the battery and hold the power button for 10 seconds to drain the remaining power from your computer. Then, plug in your charging cable and see if your device charges and turns on.
  • If your battery cannot be removed or is built into the laptop like most Asus® and MacBook® models, visit the Expresstech store for a free diagnosis and faster repairs than anyone else.