Laptop Charger Not Working — Diagnose and Fix

A laptop that won't charge can be caused by the charger cable, the charging port, the battery, or a Windows power management glitch. Here is how to work out which one and what to do about it.

Common causes:

Faulty or damaged charger cable — the most common cause
Dirt or debris blocking the charging port
A Windows battery driver glitch
A worn-out battery that won't hold charge
A damaged charging port requiring hardware repair

Inspect the cable and try a different outlet

Check the full cable length for kinks, fraying or bent connectors. Try a different power outlet.

Clean the charging port

Use a dry toothbrush to gently remove lint. Debris causes poor contact and is a surprisingly common fix.

Check the charging LED

If the LED lights when plugged in: the charger is working — issue is Windows or battery. If no LED: charger or port is not making contact.

Reinstall the battery driver

Device Manager → Batteries → right-click Microsoft ACPI-Compliant Control Method Battery → Uninstall. Restart — Windows reinstalls automatically.

Check manufacturer battery management app

Some brands (Dell, Lenovo) limit charging to 80% to preserve battery health. Check the manufacturer's power app.

Test with a compatible borrowed charger

If it charges with a borrowed compatible charger, your original charger failed. If neither works, the port or battery is the issue.

When to call a technician

If the charging port is physically damaged — wobbly, bent pins — it needs hardware repair on-site. TechFix Pro handles charging port repairs across Western Sydney.

Call 0434 358 263 WhatsApp

Frequently asked questions

Why does my laptop say plugged in but not charging?

Most commonly a battery driver glitch or a charge limit in the manufacturer's app. Uninstalling the battery driver in Device Manager usually resolves it.

How do I know if it's the charger or port?

Try a compatible borrowed charger. If it charges, your original charger failed. If neither works, the port or battery is the issue.

How much does charging port repair cost?

Typically $120–$200 on-site. Upfront quote before we start.