Question about Sony PCG-TR3A Notebook

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My tr3a reboot like every ten minutes when i am using it with the battery?

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1. Take the battery out of the laptop & try to turn on the laptop using power adapter only. If the computer turns on, then the battery is defective & needs to be replaced.
2. Make sure the power adapter is not defective. Test the output voltage of the power adapter using a voltmeter. Compare the voltmeter reading to the nominal value written on the adapter or the laptop.
3. Make sure the DC jack is not loose or broken. A loose DC jack will need to be re-soldered. A broken one will need to be replaced.
4. The motherboard could be defective & needs to be replaced.

Posted on Sep 18, 2010


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