Acer entered the world of laptop computers in 1997 when it purchased Texas Instruments' mobile PC division.

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The Acer Extensa 4120 laptop won't turn On

This a short description of the issue, the battery LED blinking orange for 3-6 sec then it stop blinking for 1-3 sec and changing to green for 1 sec and repeating like a loop, If I press the power button the loop stop and the battery LED change to green for 1 sec after that the loop repeat itself. I checked the power adapter, battery, battery connector and the DC power jack they all ok. Please let me know if anyone have an idea about this issue.

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1 Answer

Try to remove the battery and unplug the power cord. Let it set for a few minutes. Then leave the battery out and plug the ac power back it and turn it on. The battery might be so dead it won't turn on. If it turns on then put the battery back in it. You may need a new battery.

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Thank you for your respond, I try this technique but it didn't work with this old machine, If the battery removed the laptop show no sign at all and no LED On or blinking. I think something else going on.

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