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Compaq c300 It works fine if you put a fresh battery in it but it will not run or turn on using the ac adapter. It is a universal adapter not the origional equipment. The lites flash but nothing else will happen. The last time it shut down it said it was going to hibernate. I cannot wake it up. I have ordered the origional adapter to see if that helps. I understand it was not used for a long period of time. Now will not run on ac power or charge the battery. The battery is 10.8v and the charger is like 18.5, Is that correct?

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  • Dave Dufresne Feb 15, 2009

    fresh battery solves it all but when that power sorce is used up shuts down so i see it as the voltage regulator(vrm) but where is it on my compaq c300.... what ive found is all lights work right w/fresh battery but when that is used up lights flash on front panel the computer isnt charging the battery at all the comp[uter wont turn on with just a ac/dc input soooo help me find my voltage regulator please

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Some times the power jack might be defective . You will need to replace it or you can take it to a service center
You can check this web site for the jack
http://powerjack.us/index.php?main_page=product_info&products_id=10042&zenid=ca1ef873d4514f0fcc442d64bbd4c734

Thank You
thewho1

Posted on Aug 01, 2008

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The solution to your problem lies in one of the following three areas:

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2.) The charging connector on the laptop has come loose from the contacts. Therefore a bad connection.

3.) Your battery is faulty.

I think possibility 2 is the most likely, although you will have to test possibility 3 by removing the battery and plugging in your charger and seeing if the laptop powers on.If it does power on then that rules out possibility 1 and 2 leaving a faulty battery.

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Im very sorry to hear that, please follow these simple steps for you to be able to isolate the exact problem.

1. Removed the battery.

2. Connect the laptop directly to the power outlet without using the battery just for the meantime.

3. Turn on the laptop. If the laptop is able to power on, that means that the AC adapter is working fine as well as the DC port. If the laptop is not able to turn on, it maybe the AC adapter itself or the DC port.

4. Try to use another AC adapter if possible, make sure that that AC adapter is working fine. If the laptop is still not turning on, the problem is with the DC port itself. In that case, you will need to replaced the Motherboard itself.

Hope this will help...Your response is very much appreciated...

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Hi,

Im very sorry to hear that, please follow these simple steps for you to be able to isolate the exact problem.

1. Removed the battery.

2. Connect the laptop directly to the power outlet without using the battery just for the meantime.

3. Turn on the laptop. If the laptop is able to power on, that means that the AC adapter is working fine as well as the DC port. If the laptop is not able to turn on, it maybe the AC adapter itself or the DC port.

4. Try to use another AC adapter if possible, make sure that that AC adapter is working fine. If the laptop is still not turning on, the problem is with the DC port itself. In that case, you will need to replaced the Motherboard itself.

Hope this will help...Your response is very much appreciated...

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hi,

you can try to conect the laptop directly to the power outlet without using the battery just to verify if it the battery or the charger itself..If it still power up the laptop,that means that the adapter is still working,if not,well obviously,its the battery itself


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rate with 4 diamonds

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