How many times has this happened to you? You're minding your own business on your laptop, then suddenly the computer informs you the battery is nearly dead. You then have to rush to find your charger and plug it in before everything goes dark.
Once the power is connected, you should be good to go, but sometimes you plug in the AC adapter, and you get nothing. No glowing lights, no brightened display, and no "battery charging" icon in the corner. What could be wrong?
There are numerous ways to TALE YOUR BATTERY, but between the wall outlet and your computer there are also several things that can fail. Some are easy to fix yourself with a software tweak or a new battery, but other problems may require a visit to a repair shop, or even a full-blown system replacement.
1. Are Yo Actually Plugged In
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It sounds silly, but you need to make sure the laptop is actually plugged in. This is a major reason a computer MAY NOT EVEN STORT No software tweak or hardware repair can make a disconnected laptop magically power on.
So before you do anything else, ensure that the charger is firmly seated in both the wall outlet and the charging port. Similarly, check the AC adapter brick and verify that any removable cords are fully inserted.
To find out whether or not the problem even has anything to do with the laptop at all, try plugging the power cord into a different outlet. If it's plugged into a surge protector or power strip, take it out and plug it directly into the wall. This will tell us if there's an issue with the laptop or if you have a short or a blown fuse.
2. Check the Cable
Feel along the length of the power cord, bending and flexing as you go, to check for any kinks or breaks. Check the ends for any broken connections, such as plugs pulling loose or spots that may have gotten chewed by a pet or caught in a vacuum cleaner.
Inspect the AC brick. Is it discolored? Are any parts warped or expanded? Give it a sniff—if it smells like burnt plastic, that's likely where the trouble lies. You may need to replace the power connector. Contact the manufacturer and see if they'll send you a new one under warranty. (Or, barring that, if they'll sell you one directly.)
When you plug in the laptop's power connector, the connection should be fairly solid. If there's dust or other buildup inside the jack, it may not be able to make a clean connection. Check the charging port's contact points and try cleaning out the area with a toothpick if it looks dirty.
4. Is Your Charger Powerful Enough?
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Just because a power adapter fits into your laptop's charging port doesn’t mean it’s powerful enough to charge your computer. This goes for any type of charger, but it’s an especially common problem with laptops that charge over USB-C—you can technically plug in any
Check the wattage of the charger that came with your laptop—if it came with a 45W charger, you’ll probably want some as strong (or higher) to power it, and so on. A lower-wattage charger might keep the battery from draining while you use it, but it won't be enough to charge it any higher. If it does manage to recharge your computer, it will do so much slower than usual.
While we generally recommend using the charger that came with the computer (or one that was made by the same company as your laptop), sometimes third-party USB-C chargers are necessary.
For laptops that don't charge over USB-C, you should stick with the manufacturer’s official charger. Cheap, no-brand chargers you find on Amazon may cost less, but they are generally low quality and can even be dangours.
Beat the Heat
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Batteries are susceptible to heat, so if your laptop is overheating, that could cause a problem. As the temperature rises, the battery sensor may misfire, telling the system that the battery is either fully charged or missing completely, causing the charging problems. You may even find that your system shuts down to prevent overheating a battery and causing a fire. If overheating is a recurring issue, you may want to grab a simple piece of software that can Core Temp for PCs and Fanny for Macs can help you keep track of internal temperatures so you can better manage the issue.
8. Check Your Settings in Windows or macOS
If your power setting have been changed, it's easy to suspect a power malfunction even though there's no physical problem with the battery or charging cable. Windows users can open the Start menu and search for "Power & Sleep Settings," then click the Additional power settings link.
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