Laptop Shuts Down – Repair in Bahía Blanca

When a notebook turns off by itself, the problem could be in the battery, the charger, the motherboard, the cooling system, the power circuit, or internal power failures.

At CM Informática we perform a professional electronic diagnostic to identify the exact cause and repair the fault safely.

Typical symptoms when a laptop shuts down by itself

• It turns off a few seconds after turning on
• It turns off when you move it or touch the lid.
• It turns off when the charger is disconnected.
• It turns off during games or demanding tasks
• It turns off without displaying a blue screen or error message.
• It turns off and doesn't turn back on until you wait a while.
• It turns off when the battery reaches a certain percentage.

Most common causes

• Faulty or depleted battery
• Unstable or incompatible charger
• Overheating due to dirt or dried-out thermal paste
• Ignition circuit faults (PWR / EC)
• Intermittent shorts on motherboard
• Damaged MOSFETs or regulators
• Cooling system problems
• corrupt or outdated BIOS

What do we review in the diagnosis?

• Battery status and its communication with the board
• Energy consumption and stability
• Temperatures and cooling system
• Ignition circuit (PWR, EC, KBC)
• MOSFETs, regulators and voltage lines
• Intermittent shorts
• BIOS y firmware

The goal is to determine if the fault is thermal, electrical, electronic, or battery-related, and if repair is worthwhile based on the value of the equipment.

Repairs we perform

• Original battery replacement
• Ignition circuit repair
• Reballing / reflow when appropriate
• Elimination of intermittent shorts
• MOSFET and regulator replacement
• Deep cleaning and replacement of thermal paste
• BIOS repair
• Overheating repair

When is it advisable to repair?

It is appropriate when:

• The team has good market value.
• The fault is repairable.
• The cost is less than replacing the notebook.
• The repair is stable and safe.

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

Why choose CM Informática

• More than 30 years of experience.
• 4.9★ on Google with over 380 reviews.
• Authorized Lenovo Technical Service.
• Real diagnosis, without trial and error.
• In-house technical laboratory.
• Original spare parts.

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

• Notebook Won't Turn On
• Notebook Not Charging
• Notebook Overheats
• Notebook Motherboard Repair
• BIOS repair
• Laptop Battery Replacement
• Charging Circuit Repair
• Loading Port Repair