Start with the simplest fixes first
Most chargers that seem broken are actually just disconnected or blocked. Before you assume the charger itself is damaged, check three things in this order: whether the outlet works, whether the cable is fully plugged in at both ends, and whether lint or debris is blocking the charging port on your device.
A charger that worked yesterday and stopped today is almost always fixable without replacement. The most common culprits are a loose connection, a tripped outlet, or a port clogged with dust. Testing these takes two minutes and costs nothing.
Key Takeaways
- Test the outlet itself by plugging in a lamp or phone charger you know works — a dead outlet means the problem is not your charger.
- Push the cable connector firmly into both the wall outlet and your device port, holding for a few seconds, because loose connections feel like dead chargers.
- Clean the charging port on your device with a dry toothpick or wooden stick, never metal, to remove lint that blocks the connection.
- If the cable is bent sharply near the connector or the connector itself is cracked, the charger cannot be safely repaired and needs replacement.
- Chargers that overheat, smell burnt, or spark should be unplugged when ready and not used again.
Test whether the outlet is actually working
An outlet that looks fine can still be dead. Plug a different device into the same outlet — a lamp, a phone charger you know works, or any device with a plug. If that device powers on or charges, the outlet is fine and the problem is your charger. If nothing works in that outlet, try a different outlet in another room.
If only one outlet is dead, it may have a tripped safety switch. Look for a small button labeled "Reset" between the two socket holes. Press it firmly. If the outlet still does not work after reset, the outlet itself needs repair and you should use a different one.
Check that both ends of the cable are fully connected
The charging port on your device and the outlet on the wall both require a firm, complete connection. Push the connector into the port slowly and deliberately, holding it in place for a few seconds. You should feel or hear a small click. A connector that slides in halfway but does not click all the way is not making contact.
Do the same at the wall outlet. The two prongs should go in straight and flush against the outlet face. If the connector wiggles or feels loose after you insert it, the outlet may be worn out and you should try a different one. Chargers with loose connections often work intermittently — they charge for a while, then stop, then charge again — which feels like the charger is failing when it is actually just not fully seated.
Clean the charging port on your device
Lint, dust, and debris collect inside the charging port over months of use. This buildup blocks the connector from making full contact, and the charger stops working even though both the charger and port are fine. You can clean this yourself with a dry toothpick or wooden stick — never use metal, which can short the port.
Power off your device first. Gently insert the toothpick into the port and scrape the sides and back slowly, turning it as you go. You will see lint and dust come out. Blow gently into the port to clear loose debris. Do not use water, compressed air, or any liquid. Once the port is clean, plug in your charger and test it.
Inspect the cable for physical damage
Look at the entire length of the charging cable, paying special attention to the areas near both connectors where cables bend most often. A cable with a sharp kink, a visible crack in the outer coating, or exposed wires inside cannot be safely used and should be replaced. Do not try to repair it with tape or glue.
Check the connector itself — the part that plugs into your device or the wall. If it is cracked, bent, or has pieces missing, the charger needs to be replaced. A damaged connector can cause electrical hazards and will not charge your device reliably.
Watch for signs the charger is unsafe to use
Some chargers fail in ways that make them dangerous. If your charger gets very hot to the touch, smells burnt or like melting plastic, makes a buzzing sound, or produces sparks, unplug it when ready and do not use it again. These are signs of an internal electrical problem that could damage your device or cause a fire.
A charger that works but feels unusually warm is not necessarily dangerous — many chargers run warm during normal use — but if it is too hot to hold comfortably, unplug it and let it cool. If it stays dangerously hot every time you use it, replace it.
Know when to replace instead of repair
If you have tested the outlet, checked both connections, cleaned the port, and inspected the cable for damage, and the charger still does not work, the internal electronics have failed. Chargers cannot be repaired — they are designed to be replaced as a unit. Buy a replacement that matches your device type and connector style.
When you buy a new charger, look for one made by the device manufacturer or a brand with good reviews. Cheap third-party chargers sometimes fail quickly or charge slowly. The cost difference is usually small and a reliable charger lasts years.
Frequently Asked Questions
Why does my charger work sometimes but not other times?
Intermittent charging almost always means a loose connection at one end or the other. Push the connector firmly into both the port and the outlet, holding it for a few seconds. If it still cuts out, the port may have lint inside — clean it with a dry toothpick. If the problem continues, the cable connector itself may be wearing out and the charger should be replaced.
Is it safe to use a charger that gets hot?
Chargers normally get warm during use, and that is fine. If it is too hot to hold comfortably or smells burnt, unplug it when ready and do not use it again. A charger that overheats every time you plug it in should be replaced, as it may damage your device or pose a safety risk.
Can I fix a bent charging cable with tape?
No. Tape does not restore the internal wires or protect against electrical hazards. A cable with a sharp bend, visible crack, or exposed wires should be replaced. Attempting to repair it with tape risks damaging your device or causing injury.
What should I do if my device charges very slowly?
Slow charging usually means a loose connection or a port clogged with lint. Clean the port with a dry toothpick and push the connector in firmly. If the charger still charges slowly, try a different outlet. Some chargers are designed for slower charging — check your device manual to see what speed is normal for your model.
Do I need to buy the official charger, or can I use any brand?
You can use third-party chargers as long as they match your device's connector type and power requirements. Official chargers are often more reliable and last longer, but reputable third-party brands work fine. Avoid very cheap chargers with no reviews, as they may fail quickly or charge slowly.