A laptop that won’t charge is one of the most disruptive problems to deal with — whether it’s a faulty charger, a worn port, or something more complex. Our Brisbane technicians diagnose and repair all laptop charging issues at Underwood and Sunnybank Hills. Free diagnosis, honest advice, same-day for many repairs. Just walk in — and bring your charger too.
Charging problems come in many forms — some obvious, some subtle. Here are the most common signs we see at our Brisbane stores:
Plugged in but nothing happens — no light, no charge
Charger is plugged in but the charging indicator light doesn’t come on and the battery percentage stays the same or drops. Can be the charger, the port, the battery, or the charging circuit — needs systematic diagnosis to find the real cause.
Only charges when cable is held at a certain angle
You’ve discovered the exact position where it charges and you’re holding the cable in place while working. The charging port has worn or broken internal connections. This always gets worse — and the sooner it’s repaired, the simpler the fix.
“Plugged in, not charging” in the taskbar (Windows)
Windows shows the battery icon with a plug symbol but the percentage doesn’t rise. Surprisingly often caused by a Battery Limit setting — but also by a faulty charger, degraded battery, or damaged charging circuit.
Charging cuts in and out — intermittent connection
Battery percentage goes up and down, or the charging light flickers. An intermittently failing port connection — often caused by worn solder joints or a bent pin inside the DC jack — is the usual cause. Getting worse over time.
Charges when off but not when in use
Laptop charges overnight when switched off but drains during use even while plugged in. The charger’s wattage is too low for the laptop’s power consumption — very common with USB-C laptops using underpowered chargers.
Stops charging at 80% or a fixed percentage
Most often intentional — modern laptops have battery limit/care modes that cap charging at 80% to extend battery life. Check battery settings first. If no limit is set and charging stalls, it’s a hardware issue.
Port feels loose or wobbly
The charging connector doesn’t sit firmly in the port — there’s noticeable wobble or play. The DC jack housing has broken internally or the solder joints holding it have cracked. Don’t keep using it in this state — forcing the connection can damage the motherboard.
Charger gets unusually hot or stopped working after a storm
Charger is hot to the touch, the LED doesn’t light up, or the laptop stopped charging after Brisbane’s storm season. A power surge during a storm can destroy chargers and in some cases damage the laptop’s charging IC chip. Always use surge protection.
Around 40% of “laptop not charging” cases we see turn out to be a faulty charger or cable — not a port or hardware problem at all. Before assuming the laptop needs a repair, do this simple test:
Borrow a charger that’s compatible with your laptop model (same connector type and similar wattage) and test your laptop with that charger. If the laptop charges normally with the borrowed charger — your original charger is faulty and just needs replacing. Replacement chargers start from around $40–$60 and solve the problem instantly without any hardware repair needed.
If the laptop still doesn’t charge with a known-good charger — the problem is in the laptop itself (port, battery, or charging circuit). That’s when bringing it to us for a free diagnosis makes sense.
Brisbane’s afternoon storm season (roughly November to March) brings power surges that frequently damage laptop chargers and in some cases blow the charging IC chip on the laptop’s motherboard. If your laptop stopped charging right after a storm or power event, the charger is almost certainly damaged. Test with a borrowed charger first. If the charger tests fine but the laptop still won’t charge — the surge may have damaged the charging circuit inside the laptop, which needs professional diagnosis. A surge protector between your laptop and the wall prevents this entirely.
If your laptop charges via USB-C, the charger wattage matters critically. A 45W phone charger will often run a 65W laptop — but the battery drains during use because the charger can’t supply enough power to run the laptop AND charge the battery simultaneously. The laptop appears to “not charge” during use but charges fine when off. Check the wattage printed on your original charger and ensure any USB-C charger you use meets or exceeds it. We see this regularly with UQ and QUT students using phone chargers on their laptops.
Laptop charging failures have five categories of causes. Understanding which one you’re dealing with determines the fix — and the cost.
The charger itself has failed — internal components dead, cable frayed at the connection point, or adapter brick damaged by a surge. Also includes using an underpowered USB-C charger that can’t meet the laptop’s wattage requirements. Always test with a known-good charger before assuming the laptop needs a repair.
The charging connector inside the laptop has worn, broken solder joints, or physically shifted. Cable strain over years of plugging and unplugging — especially from laptop bags or awkward desk positions — gradually damages the port. Symptoms: needs wiggling to charge, port feels loose, charging is intermittent. Usually repairable without touching the motherboard.
Lint, dust, and fine debris pack into USB-C and barrel ports over time — preventing the connector from seating fully. This is especially common in USB-C ports which have a small internal plastic tab that can also crack. A professional port clean can restore charging without any component replacement. We check for this during every diagnosis.
A completely dead battery can cause “not charging” symptoms because the battery management system may not initialise charging. A swollen battery can also disrupt the charging circuit. The laptop may run on mains power but the battery won’t charge. Battery replacement typically resolves this — see our dedicated laptop battery replacement page.
Many modern laptops cap charging at 80% by default — Dell, Lenovo, ASUS, and HP all have battery care modes that intentionally stop charging at 80% to extend battery longevity. Windows battery driver corruption can also cause “plugged in, not charging”. These are software fixes — not hardware repairs — and are identified and resolved during our free diagnosis.
The charging IC is the chip on the motherboard that manages all power delivery. When it fails — often from a power surge, liquid damage, or extended overloading — the laptop detects power but won’t charge regardless of charger or port condition. Signs: charger LED goes out when plugged in, no response to any charger, or no power lights at all. Requires specialist microsoldering assessment.
The type of charging port your laptop has significantly affects both the repair approach and the cost. Here’s what you need to know:
The small oval port on MacBooks and most modern slim Windows laptops. Carries power, data, and video through the same connection.
Many charging problems have surprisingly simple fixes. Try these in order before making the trip.
Borrow a compatible charger and test your laptop. If it charges normally with a different charger — your original is faulty. Replace the charger. If it still won’t charge — the problem is in the laptop. This is the single most important first step.
Shut down completely, unplug the charger, hold the power button for 30 seconds to discharge any residual power, then reconnect the charger and power on. A software or firmware glitch can sometimes prevent the charging system from initialising — a power cycle clears this.
Use a wooden toothpick or plastic tool to carefully remove any lint or debris from inside the port. For USB-C ports: a can of compressed air in short bursts works well. Never use metal tools — they can damage the internal pins. Test after cleaning.
If charging stops at exactly 80% — check your laptop’s battery management software. Dell Power Manager, Lenovo Vantage, ASUS Battery Health Charging, or HP Battery Manager may have a charge limit enabled. Disable it and see if charging continues to 100%.
Open Device Manager → Batteries → right-click “Microsoft ACPI-Compliant Control Method Battery” → Uninstall device. Restart Windows — it reinstalls the driver automatically. This resolves “plugged in, not charging” caused by corrupted battery drivers without any hardware repair.
Laptops have thermal protection that pauses charging when the internal temperature is too high. If you’ve been running intensive tasks, switch off, let it cool for 15–20 minutes on a hard flat surface, then try charging again. If charging resumes after cooling — overheating was the cause, not a hardware fault.
Methodical, transparent, no surprises. Here’s what happens when you bring your laptop to us with a charging problem.
Come straight in to our Underwood Marketplace or Sunnybank Hills Shopping Town store any day of the week. Bring your charger and any USB-C cables you normally use with the laptop. Testing the charger alongside the laptop is the first step in every charging diagnosis — without it, we can’t rule out the simplest cause.
Our technician tests the charger with a multimeter to confirm correct voltage output, inspects the charging port for physical damage and debris, checks battery health and whether the battery management system is responding, and checks for software-level causes. If possible, we also test with a known-good charger to isolate the fault. This full assessment is always free.
After the diagnosis, we explain exactly what’s causing the charging failure in plain English and give you a fixed cost quote. We confirm whether the repair is straightforward (modular port replacement, same-day) or more complex (soldered USB-C, microsoldering required). You know the full cost before we begin any work.
Once the repair is done, we test charging under load — not just connected, but actually charging to confirm the battery percentage rises consistently and the system remains stable. For port repairs, we also check that the connection is solid and there’s no movement in the repaired port. Most modular port repairs are completed same-day.
We service all major laptop brands for charging diagnosis and repair. Schedule a repair us your model beforehand to confirm parts availability and an indicative quote.
Not sure about your model? Schedule a repair us your laptop model and the symptoms — we’ll give you an initial assessment before you come in.
Charging diagnosis requires testing every component systematically — not just replacing the first part you can think of. Here’s what makes us different.
An established, authorised Brisbane business with trained technicians, quality parts, and real accountability. Not a one-person pop-up. We’ve been serving Brisbane’s south side for years and stand behind every repair we do.
Before recommending any hardware repair, we test the charger to confirm it’s actually the laptop and not the charger causing the problem. About 40% of charging problems are charger faults. We won’t recommend a port repair when the charger is the real issue.
Some charging IC failures on certain laptop models are beyond cost-effective repair. If that’s the case, we’ll tell you clearly and honestly — rather than take your money for a repair with a low success probability. You get the real picture before committing to anything.
Modular DC jack replacements — the most common charging port repair — are typically completed the same day for all popular models. USB-C port repairs and more complex cases may take longer, and we’ll always tell you the timeline upfront before you decide.
Underwood Marketplace and Sunnybank Hills Shopping Town — both on Brisbane’s south side with parking. Walk in any day of the week. No appointment system, no waiting for call-backs.
If we can’t repair your laptop’s charging system, you don’t pay for the repair attempt. We only recommend repairs we’re confident about completing successfully — and we’ll tell you when something is out of our scope rather than attempt it regardless.
Charging repair costs depend on whether the issue is the charger, the port type, or the charging circuit. Here’s a guide — confirmed after the free diagnosis before we begin any work. No hidden fees.
| Service | What’s Included | Starting From |
|---|---|---|
| Charging Diagnosis | Charger test, port inspection, battery check, software causes assessment | Free |
| Software Charging Fix (Battery Limit / Driver Reset) | Battery limit disabled, driver reinstall, settings correction | Free – $39 |
| Port Clean & Debris Removal | Professional port clean, connection test | Free – $39 |
| DC Jack Replacement (Modular — Separate Cable) | DC barrel jack module replacement & charging stability test | From $69 |
| DC Jack Repair (Soldered to Motherboard) | Solder reflow or jack replacement & charging test | From $89 |
| USB-C Charging Port Repair | USB-C port replacement — microsoldering & full charging test | From $89 |
| MacBook USB-C / MagSafe Charging Repair | Port diagnosis, cleaning or replacement & charging test | From $99 |
| Charging IC / Motherboard Power Circuit Fault | Board-level diagnosis — quoted on assessment | Contact Us |
Prices are indicative and subject to change. Final quote confirmed after free in-store diagnosis. All prices AUD, GST inclusive. Bring your charger when you come in.
The questions we hear most often. Not listed? Schedule a repair us — we reply fast.
Start with the charger — test it on a different compatible laptop. If it charges another laptop, the charger is fine. If it doesn’t — the charger is faulty. About 40% of “not charging” cases are charger faults.
If the charger is fine, check your laptop’s battery limit settings (Dell Power Manager, Lenovo Vantage, ASUS Battery Health Charging). A charge limit at 80% is intentional and not a fault. Update Windows battery drivers via Device Manager if no limit is set. If nothing resolves it — bring the laptop in for a free diagnosis. The issue is likely the port, battery, or charging circuit.
This is a failing DC jack — the internal pins or solder connections have weakened from repeated use and cable strain. What starts as needing a specific angle eventually becomes complete failure. This always gets worse, not better.
The good news: this is usually one of the simpler charging repairs. Many DC jacks are modular components on a separate cable, making replacement straightforward and same-day for popular models. The sooner it’s repaired, the simpler and cheaper the fix — waiting until it fails completely can allow the weakened connection to damage the motherboard port contacts.
This is almost always a wattage mismatch between your charger and your laptop. Your laptop has a maximum power requirement (printed on your original charger in watts). When the laptop is running intensive tasks — particularly video, gaming, or development work — it consumes more power than the charger is supplying. The battery supplements the deficit during use but charges when consumption drops to zero during shutdown.
Check the wattage on your original charger (e.g., 65W, 100W) and confirm any replacement charger matches or exceeds it. This is very common with USB-C laptops being used with underpowered phone chargers. If you have the correct wattage charger and the problem persists, the port or charging circuit needs diagnosis.
In most cases, only the port needs replacing — not the motherboard. Many laptops have the DC charging jack on a separate module connected to the motherboard by a cable, making it a standalone replacement. Even ports that are soldered to the motherboard can usually be resoldered or replaced without replacing the entire board.
The exception is when a charging IC chip on the motherboard has failed — for example after a power surge. In that case, the repair is board-level microsoldering, which is more specialist work. We assess your specific model and tell you exactly what’s involved and the success likelihood before recommending this route.
MacBook charging issues have several common causes. First try a different USB-C cable (not all USB-C cables support laptop-level power delivery — use a cable rated for 60W+ or 100W+). Also try a different USB-C port on the MacBook — some ports carry power, others don’t. Restart the MacBook and try again.
If the MacBook charges intermittently or not at all with a known-good cable and charger, the USB-C port has physical damage or debris inside it. A MacBook USB-C port that feels loose, shows signs of burn, or has visible debris needs professional assessment. Bring it in for a free diagnosis — we handle MacBook charging repairs at both our Brisbane stores.
Power surges during Brisbane’s storm season are a very common cause of charging failures. A surge typically destroys the charger first — the charger’s LED will be off and it won’t power anything. Try a borrowed charger to confirm.
If a new charger doesn’t fix it, the surge may have damaged the charging IC chip inside the laptop — a component on the motherboard that manages all power delivery. This requires specialist diagnosis and microsoldering repair. To prevent this entirely in future: use a quality surge protector between your laptop and the wall during storm season.
The diagnosis is always free. Software fixes (battery limit settings, driver reset) are free or from $39. Modular DC jack replacement starts from $69. Soldered DC jack and USB-C port repairs start from $89. MacBook USB-C charging repair starts from $99. Charging IC/motherboard-level faults are quoted after assessment.
We always confirm the exact cost after the free diagnosis before starting any work. No fix, no fee — if we can’t restore your laptop’s charging, you don’t pay for the repair attempt.
Mobile Connect provides laptop charging assessment at two convenient Brisbane south-side stores: Underwood Marketplace and Sunnybank Hills Shopping Town. Bring the charger used with the laptop to the assessment.
Schedule a repair and include the laptop model and charging symptoms so parts availability and the appropriate diagnostic path can be checked.
Choose your preferred Brisbane store when scheduling. Bring the laptop and charger, and include the model and charging symptoms in the booking details.
Marketplace Shopping Centre, 24/3215 Logan Rd, Underwood QLD 4119
Shoppingtown, 21A/661 Compton Rd, Sunnybank Hills QLD 4109
Store Hours
While your laptop is in, here’s what else we can help you with at Underwood and Sunnybank Hills.
Walk in with your laptop and charger. Free diagnosis, honest advice, same-day for many repairs — at Underwood or Sunnybank Hills. No appointment needed.