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Dead laptop I have a stone dead lap it seems it doesnt take power. the ac adapter gives current but the computer is stone dead Please advise

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Start simple and try another adapter, I usually advise people when this occurs to take it to a local pc shop where they can do some very quick power tests right on the desk there. Trying another adapter is step one, then a test of the DC jack is step 2 and then on to the rest of the power circuit of the motherboard is more extensive and needs a system teardown.

Posted on Sep 11, 2009

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Here below are possible causes and troubleshooting steps of laptop that can't power on, hope it may help:
Possible causes:

1. AC adapter failure.
2. Power jack failure.
3. Motherboard failure.

Possible troubleshooting steps and repair solutions:
1. Test the AC adapter with a digital multimeter. It's possible that you have a failed AC adapter. If you don't have a multimeter, test your laptop with another known good AC adapter.

2.It's possible that power jack (socket where you plug the AC adapter) is broken. Remove the motherboard and take a closer look at the power jack. In some cases you can fix the jack by resoldering it on the motherboard. In other cases you have to replace the jack with a new one. Using a multimeter, test if the power goes to the motherboard through the jack.

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For this kind of issue, please follow up the following steps to check:

1.confirm the battery and ac adapter connect the laptop normally.Maybe the bad connect lead to this problem. If there are no lights when you turn on laptop, one of possible reason is that your adapter is malfunction.

2.the second possible cause is laptop dc jack failure. If the dc jack is broken or loose, you are required to replace it or repair it.

3.Another possible reason is that there is something wrong with laptop motherboard. For this situation, it includs two kinds of possibility,a failure in an electronic circuit and BGA malfunction.

For more detailed reasons and solutions, please have a look at the following article:http://www.ifitjams.com/lappower.htm

If you verify your laptop adapter is dead and you plan to order a new one, I recommend one for you on the basis of your laptop model:

http://www.chargerbuy.com/replacement-toshiba-satellite-c655-ac-adapter-19v-65w.html

http://www.chargerbuy.com/replacement-toshiba-satellite-c655-ac-adapter-19v-3-95a.html

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