Part of the Lenovo G Series of everyday laptops released in November 2012.

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Why is my unit turn on but after a seconds turn off?

Everytime I turn on my unit,after a seconds the unit turn off,i cannot read what's on the screen. Several times I turn on, but it has the same problem.

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What happens when you just connect the charger? Do you get a charging indication on the laptop? If so does the battery fully charge?

Does it start OK with the charger connected and switched on? If it does maybe the battery is flat or faulty.

Can you hear the fan trying to start? If not the laptop may be shutting down to protect it from overheating. Check that the fan vents are clear. You may have to open it up to prove the fan works.

Here is a link to the service manual. Scroll to p.74 to see how to get to the fan

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