You plug in the charger and the battery icon says "Plugged in, not charging". Or the charge is stuck at 60–80% and won't go higher. Or the laptop only runs from the mains and dies instantly when unplugged. Charging problems are among the most common reasons people bring us laptops. The causes range widely, from a setting you once turned on yourself to a fault on the motherboard. Let's go through them in order.
It might not be a fault
Many manufacturers — Lenovo, ASUS, Dell, HP, MSI, Samsung — build a battery-preservation feature into their utilities. It caps the charge at 55–80% if the laptop is mostly used on mains power. Windows then shows "Plugged in, not charging", which is normal: the battery lasts longer that way. The feature is often enabled automatically or recommended during first set-up, and then forgotten. If the charge always stops at exactly the same number, check this first.
The power adapter and cable
The power brick is a frequent culprit. The cable bends at the plug and at the brick, and the conductors wear through — especially if the laptop is carried around a lot or used on your lap. Signs include charging that comes and goes when the cable moves, a brick that gets very hot or whines, and a flickering light on the plug. A non-original adapter may be underpowered: the laptop charges very slowly or only when switched off, and under load drains even while plugged in. For gaming laptops, adapter wattage is especially important.
USB-C charging
Many modern laptops charge over USB-C. Both the adapter and the cable must support the required Power Delivery wattage. A phone charger or a cheap cable may provide too little power: the laptop warns about slow charging or doesn't charge at all. Not every USB-C port on a laptop supports charging — usually only one or two specific ones do.
The charging port
The port on the laptop takes strain every day. If the laptop has fallen with the charger attached or the plug is often yanked sideways, the port loosens and its solder joints on the board crack. Charging then only works with the plug held at a certain angle. Don't put this off: a poor contact sparks, heats up and can damage the board.
If the charger plug gets very hot, you smell burning plastic or see discolouration around the port, unplug the charger immediately. A bad contact in the power port can start a fire.
A worn battery
A lithium-ion battery has a limited number of cycles. After 2–4 years of heavy use, its capacity falls to 60–70% of the original. A badly worn battery can stop charging altogether because the controller blocks charging for safety. Signs: Windows says "Consider replacing your battery", the percentage jumps around, the laptop shuts off at 20–30%. A dangerous sign is swelling: the case lifts, the touchpad bulges, the lid doesn't close flush. A swollen battery must be replaced as soon as possible and must never be punctured or pressed.
The charging controller and motherboard
If the adapter and battery are fine and the laptop still won't charge, the charging circuit on the motherboard is probably at fault. This happens after spills, power surges, use of an unsuitable adapter or failure of individual components. Repair requires board-level diagnosis and soldering, but usually costs far less than a new laptop.
Software causes
- a Windows battery driver glitch — after an update the battery is detected incorrectly;
- outdated firmware — manufacturers release updates fixing charge-management bugs;
- poor calibration — the indicator shows the wrong percentage;
- conflicts between vendor power-management utilities.
Diagnosis by symptom
| Symptom | Likely cause |
|---|---|
| Charge always stops at 60 or 80% | Battery-preservation mode |
| Charging drops when the cable moves | Adapter cable or port |
| Runs on mains, dies instantly without it | Worn-out or disconnected battery |
| Charges very slowly | Weak or non-original adapter, USB-C without enough power |
| No response to the charger at all | Adapter, port or power circuitry on the board |
| The case has bulged | Swollen battery — dangerous |
What a technician does
- Checks charging settings in vendor utilities and Windows.
- Measures the adapter's voltage and output and checks the cable.
- Checks battery health: wear level, cycle count, swelling.
- Updates firmware and power-management drivers.
- Repairs or replaces the charging port.
- Diagnoses and repairs the charging circuit on the motherboard.
- Sources a quality replacement battery or adapter.
A real example
A student in Saburtalo told us her laptop had "stopped charging above 60%" and was about to buy a new battery. Diagnosis showed the battery was in excellent condition; the manufacturer's utility simply had battery-preservation mode switched on. We showed her how to toggle it before trips and updated the firmware. In another case, a customer in Gldani brought in a laptop that only charged with the plug tilted — the port had worked loose and its solder joints had cracked. Replacing the port solved it.
Call a technician
We come out across Tbilisi around the clock, diagnose charging problems on the spot and carry out repairs. Learn more on our laptop repair, laptop diagnostics and urgent repair pages.




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