Why your laptop will not charge — and what actually fixes it

Start with the simplest suspect: the adapter

Before assuming the worst, confirm that the charger itself is healthy. Measure the output voltage, check the cable for a kink or burnt connector, and if it is a Type-C unit try it on another device. A surprising number of "dead laptops" are simply dead chargers.

Then the port

Once the adapter is ruled out, we inspect the charging port. A loose, wobbly or discoloured DC jack — or a Type-C port with worn contacts — will cut power intermittently and can also damage the board if left alone.

The charging circuit

If the port is sound but the laptop still draws no current, the fault is usually on the board: a charging IC, a blown fuse, a shorted MOSFET or a broken power rail. This is where board-level tools matter. We trace the power path with a multimeter and thermal camera instead of guessing.

The battery itself

A battery that has aged badly may still accept charge but hold almost none, or the pack may have swollen enough that the unit protects itself by refusing to charge. We read the battery health and cycle count, and replace the cells where that is the real cause.

What this means for your repair

The honest answer is that the fix depends entirely on which link in the chain failed. That is why we diagnose first and quote after — and why we tell you plainly when the repair is not worth the cost.

If your laptop is not charging, back up anything critical before bringing it in, and bring the charger with you so we can test the whole chain together.