DC Jack Lenovo Legion Y740-15IRH

What is a Laptop Power Jack ?

The power jack is a crucial component of any laptop, ensuring a steady power supply for charging the battery and running the device. Over time, this small but essential part can wear out due to frequent use, accidental pulls, or internal damage. The power jack, also known as the DC-in jack or charging port, is the point where you connect your laptop charger. It transfers electrical power from the adapter to the motherboard and battery, keeping your device powered.

Common Issues with Laptop Power Jacks:

Due to constant plugging and unplugging, the power jack can develop various problems, such as:

Loose Connection – The laptop may not charge properly due to a worn-out or broken jack.
Intermittent Charging – If the connection is unstable, the battery may charge only when the charger is in a specific position.
No Power Supply – A completely damaged power jack can prevent the laptop from turning on.
Burnt or Broken Pins – Internal pins inside the power jack may bend, break, or burn out due to power surges.

Lenovo Ideapad L340-15IRH,Lenovo Ideapad 330-15ICH,Lenovo Ideapad 330-17ICH,Lenovo Legion Y545,Lenovo Legion Y540-15IRH,Lenovo Legion Y540-17IRH,Y740,Lenovo IdeaPad Gaming 3-15IMH05 81Y4, Lenovo Thinkpad Yoga 260, Legion 5 15ARH05H

Lenovo Ideapad L340-15IRH,Lenovo Ideapad 330-15ICH,Lenovo Ideapad 330-17ICH,Lenovo Legion Y545,Lenovo Legion Y540-15IRH,Lenovo Legion Y540-17IRH,Y740,Lenovo IdeaPad Gaming 3-15IMH05 81Y4, Lenovo Thinkpad Yoga 260, Legion 5 15ARH05H