USB-C Port Replacement for Notebooks – Bahía Blanca


The USB-C port is the charging and connection hub of modern notebooks.

When it is damaged, the notebook will not charge, will not recognize devices, or will display power error messages.

At CM Informática we perform professional replacement of USB-C ports, with precision soldering and complete electronic diagnostics.





Symptoms of a damaged USB-C port


  • The laptop is not charging or is charging intermittently.
  • The charger doesn't fit or it moves around.
  • The port gets hot or shows sparks
  • It does not recognize USB drives or peripherals.
  • Message “Connected but not charging”
  • Charges only when switched off
  • The USB-C cable is loose or not making contact





Most common causes


  • USB-C connector torn off or loose
  • Cable bump or pull
  • Oxidation or humidity
  • Fractured welds
  • damaged subboard
  • USB-C charging circuit with Power Delivery failure





What do we review in the diagnosis?


Mechanics

  • Physical condition of the connector
  • Fixing to the plate
  • Sub-board and charging flex


Electronics

  • Power lines
  • Power Delivery (PD) Controller
  • MOSFETs and protections
  • Battery-powered communication


Firmware

  • USB-C charging configuration
  • PD voltage recognition
  • BIOS and EC Integrity





Repairs we perform


  • Complete replacement of the USB-C port
  • Load sub-board repair
  • Reflow or resoldering of damaged pads
  • PD circuit repair
  • MOSFET or BQ/ISL controller replacement
  • Cleaning and moisture protection





When is it advisable to repair?


It is appropriate when:


  • The team has good market value
  • The fault is a minor mechanical or electronic fault.
  • The cost is less than replacing the board.
  • The repair is stable and safe


If it's not suitable, we'll let you know before proceeding.





Why choose CM Informática


  • Over 30 years of experience
  • 389 verified reviews – 4.9★ on Google
  • own technical laboratory
  • Lenovo Authorized Technical Service
  • Precision welding and real-time diagnostics
  • Genuine spare parts when available





Bring your notebook in for a professional diagnosis.


We are located at Misiones 730, Bahía Blanca.

We assess the fault and provide a realistic estimate before repairing.





You might be interested in


  • Charging Circuit Repair
  • Notebook Not Charging
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  • BIOS repair
  • Notebook Won't Turn On
  • Loading Port Change
Puerto USB‑C junto al conector en placa de notebook durante reemplazo con soldadura en CM Informática Bahía Blanca