Toshiba laptop gets no power from A/C adapter

June 4, 2010 at 21:15:37
Specs: Windows 7

I have a toshiba laptop that works fine only with battery as power source. As soon as i plug in the power cable it switches off bu itself. Can anyone please help?

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June 7, 2010 at 20:06:18
I had an old IBM ThinkPad like that, dam thing would only run on
battery. Hmmpf!

Q: How old is that Toshiba?

- Could be a bad AC Adapter or cord.
- Could be a loose AC connector ON the laptop.
- Could be voltage regulator issue on the motherboard.

Just another stupid saying...

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January 27, 2011 at 21:56:23
Possible cause:

1. Power adapter failure.
2. Motherboard failure.

Possible troubleshooting steps and repair solution:

First of all, test the power adpater. Make sure the apdapter outputs correct voltage. It’s possible that the outup voltage is not correct and the laptop shuts down to prevent the damge. Test your laptop with anohter known good power adapter.

If the problem still exists, even after replacing the adapter, most likley it’s the motherboard failure. Replace the motherboard.

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