Start with the charging cable and port
The most common reason a tablet stops charging is a problem with the cable or the port where it plugs in, not the tablet itself. Before you assume the device is broken, inspect both the cable and the charging port for visible damage.
Look at the cable end that connects to your tablet. If you see bent pins, corrosion (a white or green crusty buildup), or frayed wires, the cable is damaged and needs to be replaced. Next, shine a flashlight into your tablet's charging port and look for the same signs — bent or corroded pins, or lint and debris packed inside. If you see lint, use a wooden toothpick or a plastic dental pick to gently scrape it out. Do not use metal, which can short the port.
Try a different charging cable if you have one available. Many tablets use the same connector type (USB-C is now standard on most newer models), so a cable from another device may work. If the tablet charges with a different cable, your original cable is faulty and should be replaced.
Key Takeaways
- Inspect the charging cable for bent pins, corrosion, or frayed wires, and check the tablet's charging port for the same damage using a flashlight.
- Remove lint from the charging port with a wooden toothpick, and test with a different cable if one is available to rule out cable failure.
- Try a different power outlet and a different charger block (the adapter that plugs into the wall) to determine whether the problem is the outlet, the adapter, or the tablet itself.
- Restart your tablet by holding the power button for 10 to 15 seconds, then release and wait 30 seconds before plugging it in again.
- If the tablet still will not charge after these steps, the charging circuit inside the tablet may be damaged and will require professional repair.
Test the power outlet and charger block
The outlet itself may be the problem. Plug a lamp or phone charger into the same outlet and see whether it works. If nothing charges from that outlet, the outlet is faulty or the circuit breaker has tripped. Try a different outlet in another room.
The charger block — the adapter that plugs into the wall — can also fail without obvious signs. If you have access to another charger block made for your tablet model, plug it in and try charging. Check the charger block for any burn marks, cracks, or a burning smell, all of which mean it should be discarded. If your tablet charges with a different charger block, the original one is faulty.
Make sure you are using the correct charger for your tablet. Using a charger with too low a wattage will charge very slowly or not at all, even though it may fit. Check the wattage printed on the charger block and compare it to what your tablet's manual or the manufacturer's website says it needs.
Restart your tablet
A software problem can sometimes prevent charging from working, even though the hardware is fine. Restart your tablet by pressing and holding the power button for 10 to 15 seconds until you see the power-off screen, then release the button. Wait 30 seconds, then press the power button again to turn it back on.
Once the tablet has restarted, plug in the charger and wait a few minutes. Sometimes the charging icon appears right away; sometimes it takes a moment for the system to recognize the charger. If you see the charging icon or a lightning bolt on the screen, the restart worked.
Check for software updates and battery health
An outdated operating system can occasionally interfere with charging. Go to Settings, then look for System or About Tablet (the exact name varies by brand), and check whether a software update is available. If one is, connect to Wi-Fi and install it, then restart the tablet and try charging again.
If your tablet is several years old, the battery itself may have reached the end of its life. Lithium batteries degrade over time and eventually stop holding a charge or accepting a charge at all. You cannot fix a dead battery yourself — the tablet will need to be opened by a professional to replace it. If your tablet is still under warranty, contact the manufacturer to see whether battery replacement is covered.
When to seek professional repair
If you have tried a different cable, a different charger block, a different outlet, and a restart, and the tablet still will not charge, the problem is likely inside the device. The charging circuit — the electronic components that manage power flowing into the battery — may be damaged, or the battery itself may have failed.
Contact the tablet's manufacturer (Apple, Samsung, Lenovo, or whoever made it) and describe what you have already tried. They can tell you whether repair is possible and what it will cost. If the tablet is out of warranty, a local electronics repair shop may be able to fix it for less than the manufacturer charges, though quality varies. Ask whether they offer a warranty on their repair work.
Prevent charging problems in the future
Keep the charging port clean and dry. Do not leave the tablet in a humid bathroom or near a sink. When you are not using the tablet, store it in a cool, dry place — heat degrades batteries faster.
Use only chargers made by the tablet's manufacturer or certified third-party makers. Cheap knockoff chargers can damage the charging circuit or the battery. If you need a replacement cable or charger, buy from the manufacturer's official store or a major retailer that stands behind its products.
Avoid letting the battery drain completely to zero. Charge the tablet when it reaches 20 percent battery, and do not leave it plugged in for days at a time once it reaches 100 percent. These habits extend the life of the battery and the charging circuit.
Frequently Asked Questions
Why does my tablet charge slowly?
Slow charging usually means the charger block is underpowered for your tablet, or the charging port is partially blocked by lint. Check the wattage on your charger and compare it to your tablet's requirements. Clean the port with a wooden toothpick and try again. If the tablet is hot while charging, unplug it when ready — heat during charging can damage the battery.
Can I use my phone charger to charge my tablet?
Only if the charger has the same connector type (USB-C, Lightning, or Micro-USB) and the wattage is at least what your tablet needs. Using a lower-wattage charger will charge very slowly or not at all. Check your tablet's manual or the manufacturer's website for the correct wattage before trying a different charger.
What does it mean if the charging port is hot?
A warm port is normal, but a port that is too hot to touch means there is a short circuit or a problem with the charger. Unplug the tablet when ready and do not use that charger again. Try a different charger block. If the port remains hot with every charger, the charging circuit inside the tablet is damaged and needs professional repair.
Will my tablet charge if it is completely dead?
Yes, but it may take several minutes before the charging icon appears on the screen. Leave the tablet plugged in for at least 15 to 20 minutes before trying to turn it on. If nothing appears after 30 minutes, the battery or charging circuit may be damaged.
Is it safe to charge my tablet overnight?
Modern tablets have circuits that stop charging once the battery reaches 100 percent, so overnight charging is generally safe. However, leaving the tablet plugged in constantly can shorten the battery's lifespan. Unplug it once it is fully charged if you plan to store it for more than a few days.