Rapid battery drain
Battery health, reported capacity, power use and charging behavior are reviewed when runtime has fallen sharply or the percentage drops unpredictably.
Rapid drain · Swelling · Shutdown · Not charging
Laptop battery replacement across Dallas–Fort Worth.
Mashfix evaluates Windows laptops with weak, swollen, undetected and non-charging batteries. The adapter, connector and motherboard charging path are checked with the battery so replacement is recommended only when it addresses the confirmed fault.
Stop charging or using the laptop if it can be done safely. Do not press a lifted case closed, puncture the pack or try to flatten it. Keep the device away from heat and flammable material, and arrange professional evaluation.
Battery and charging diagnosis
Battery or charging-system fault? The symptoms can look identical.
A laptop that will not charge may have a worn battery, failed adapter, damaged connector, USB-C power-delivery issue, firmware condition or motherboard fault. Mashfix checks the related power path before proposing a battery.
Swollen or expanding battery
A lifted keyboard, trackpad or bottom cover is treated as a safety concern. The laptop should not be forced closed, punctured or kept on charge.
Runs only when plugged in
The battery connection, battery condition, adapter and charging path are checked when the computer shuts off as soon as external power is removed.
Plugged in but not charging
The adapter, USB-C or barrel connector, battery, firmware and motherboard charging circuit can create the same warning and need to be separated.
Unexpected shutdowns
Battery voltage, temperature, power demands and system stability are considered when a laptop turns off under load or at an inaccurate percentage.
Battery warnings and health messages
Windows, manufacturer diagnostics and physical inspection help determine whether a warning reflects normal wear, a failed pack or a wider charging problem.
The exact laptop configuration determines the battery.
Product families can use different battery shapes, capacities, connectors and mounting designs. The complete model and configuration are recorded, and the current battery or manufacturer specifications may be inspected before a compatible replacement is proposed.
If expansion has distorted the trackpad, keyboard, bottom cover or internal mounting points, that secondary damage is included in the findings. Timing depends on safe diagnosis and compatible-part availability.
Record symptoms and safety concerns
Runtime, charging behavior, shutdowns, warnings and any case movement are documented.
Check the power path
The battery, adapter, connector and relevant charging circuitry are evaluated.
Verify the correct battery
The exact model, configuration and compatible part are identified.
Review the service option
You receive the findings, price, expected timing and material risks before approval.
The main laptop page covers screens, charging ports, hinges, keyboards, overheating, no-display, no-power and performance problems. The battery safety guide explains what to do when expansion lifts the case.
Battery replacement does not fix every charging problem.
An adapter with the wrong wattage, damaged charging port, incompatible USB-C source, loose internal cable or failed charging circuit can prevent a good battery from charging. The recommended service should match the confirmed failure rather than the most familiar symptom.
For board-level power faults, Mashfix can explain whether ordinary repair, motherboard diagnostics or device replacement is the practical next step.
Choose a DFW service point.
Mashfix accepts laptop battery requests through service points in Irving, Euless, Grand Prairie, Dallas and Arlington. Include the complete laptop model, charger type, current warning and whether the case is swelling.
View all Mashfix locations →Laptop battery questions
What to know before battery replacement
When should a laptop battery be replaced?
Replacement may be appropriate when verified capacity has fallen substantially, runtime is no longer practical, the laptop shuts down unpredictably, the battery is not detected or the pack is physically swollen. Diagnosis helps distinguish normal wear from adapter, port, firmware or motherboard problems.
What should I do if my laptop battery is swollen?
Stop charging and using the laptop if it can be done safely. Do not press the case closed, bend or puncture the battery, or place the device near heat. Keep it on a stable nonflammable surface away from flammable materials and arrange professional evaluation.
Why does my laptop say plugged in but not charging?
Possible causes include an underpowered or failed adapter, a damaged connector, USB-C power-delivery incompatibility, battery failure, firmware settings or a motherboard charging-circuit fault. Replacing the battery without checking the power path may not solve the problem.
Will replacing a laptop battery erase my files?
A normal battery replacement does not erase storage. Files are still vulnerable if the laptop also has a failing drive, liquid damage, unstable power or an existing startup problem, so disclose important data and other symptoms during intake.
How much does laptop battery replacement cost?
Price depends on the exact laptop configuration, compatible battery, availability, installation design and whether charging-system or case damage is also present. Mashfix verifies the model and fault before providing a repair option and price.
Do you replace MacBook batteries on this page?
This page focuses on Windows laptops. MacBook battery service and Apple Independent Repair Provider information are covered on the Mac and Apple repair pages because device eligibility, parts and procedures differ.