A faulty laptop charger can cause charging problems, sudden shutdowns or a laptop that refuses to turn on. Before replacing the charger, there are a few simple things you can check.
1. Your Laptop Isn’t Charging
Connect the charger and check whether Windows shows that the laptop is charging.
If nothing happens, check that the charger is firmly connected to both the laptop and the power socket.
Try another wall socket as well. Sometimes the problem isn’t the charger.
2. The Charging Light Doesn’t Come On
Many laptops have a small charging indicator.
If the light normally comes on when you connect the charger but now stays off, the charger, charging port or battery could be the problem.
This is a useful clue, but it doesn’t confirm that the charger is faulty by itself.
3. The Charger Gets Extremely Hot
Laptop chargers can become warm during normal use.
However, if the adapter becomes unusually hot, smells burnt or makes strange noises, disconnect it and have it checked.
Do not continue using a charger that shows signs of physical damage.
4. The Charger Cable Is Damaged
Inspect the entire cable, especially near the charger brick and connector.
Look for:
- Exposed wires
- Cuts or cracks
- Loose connectors
- Burn marks
- Bent or damaged pins
A damaged cable can cause intermittent charging or prevent the laptop from charging altogether.
5. Charging Keeps Connecting and Disconnecting
If your laptop repeatedly switches between charging and battery power when the charger is connected, there could be a problem with the charger, cable or charging port.
Gently moving the connector and noticing that charging stops or starts can point towards a damaged connector or laptop charging port.
Avoid repeatedly bending the cable to make it work.
6. Check the Charger Voltage and Wattage
Look at the label on the charger.
You should see information such as:
Output: 19.5V ⎓ 3.33A
This indicates a 65W charger.
When replacing a charger, make sure the voltage, power requirements and connector are compatible with your laptop.
For USB-C chargers, compatibility can also depend on USB Power Delivery and the laptop’s charging requirements.
7. Test With a Known-Compatible Charger
One of the easiest ways to identify a faulty charger is to test the laptop with another known-compatible charger.
If the laptop charges normally with the other charger, your original charger may be the problem.
Don’t test with just any charger that fits physically. It must have the correct specifications for your laptop.
Could the Problem Be the Laptop Instead?
Yes.
A laptop that isn’t charging doesn’t always have a faulty charger.
The problem could be:
- Laptop battery
- Charging port
- DC jack
- Motherboard charging circuit
- Damaged charging cable
- Software or power-management issue
If a known-compatible charger doesn’t solve the problem, the laptop itself may need diagnosis.
Where to Get a Laptop Charger in Nairobi
If you need a replacement laptop charger in Nairobi, Lapsol Technologies supplies chargers and adapters for various HP, Dell, Lenovo, Apple and other laptop models.
Visit Lapsol Technologies or contact us with your laptop model and a photo of your old charger so compatibility can be checked before purchasing.
Frequently Asked Questions
How can I tell if my laptop charger is bad?
Check for charging problems, damaged cables, unusual heat, burning smells or intermittent charging. Testing with a known-compatible charger can help confirm the problem.
Can a faulty charger damage a laptop?
A damaged or unsuitable charger can potentially cause electrical problems. Use a charger with the correct specifications for your laptop.
Why does my laptop say plugged in but not charging?
The cause could be the charger, battery, charging port or charging circuitry. Further testing is needed to identify the exact problem.
Should I repair or replace my laptop charger?
If the charger or cable is damaged, replacement is generally the safer option than attempting an improvised repair.
Final Tip
Before buying a new charger, check the charger label, cable, connector and laptop charging port. If possible, test with a known-compatible charger.
If you’re still unsure, provide your laptop model and a photo of the existing charger to a laptop spare-parts supplier.
