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I was using my laptop and it automatically powered down. I thought the battery was flat so plugged into the mains. When I switch on button nothing happens, there are no lights on. Green light on AC adapter but no power seems to be getting into laptop.

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Hello.

The most common reasons are the battery, power jack and power adapter/cord.

Power off and remove the battery. If the laptop powers on with just the adapter connected, your battery is faulty.

If you move/wiggle the power adapter at the point where it connects to the laptop, and the power goes off and on, the power jack is the problem.

The power jack is inside the laptop and either needs soldering or replacement.

If no change, the power adapter may be faulty and need replacement.

Or, unfortunately, your motherboard could be faulty.

Hope this helps.

Posted on Mar 18, 2011

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