Question about Compaq Presario 1200 Notebook

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Laptop shuts off when unplugged, battery is fully charged

Laptop Presario 1200 shuts off when it is unplugged from the power source. The battery shows that it is charged and the fan doesn't come on. I try to restart it but it will only work when it is plugged into a power source. Help?

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Re: Laptop shuts off when unplugged, battery is fully...

Chosenone, Even though the battery meter shows it fully charged I doubt it?s correct. Over time rechargeable batteries loose their ability to store power. How long depends on the battery manufacturer and how well you treat it but you can consider yourself fortunate if your battery lasts three or four years. Beware of people who suggest you take apart your batter to bypass the safeties or replace old battery cells. Defective or improperly handled batteries can overheat and cause fires when you least expect them. Let us know if you have any more questions and please don?t forget to rate this post.

Posted on Feb 24, 2007

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Re: Laptop shuts off when unplugged, battery is fully...

When Laptop Hp 6530s is Fully Charged if Charged Unplugged blue screen comes and restarted.

Posted on Feb 26, 2013

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Power schemes battery

Chances are that your battery doesn't / wouldn't hold a charge anymore. The laptop runs off battery power. When it is plugged in, the AC power "goes right through the battery", to support the laptop's operations. When the power cord is unplugged, and the battery doesn't hold a charge, the laptop will shut down, as your battery is (too) low to continue supporting the laptop's operations.

The easiest way around this problem is to get a new battery for the laptop.
If your battery is (quite) new (and a Lithium battery), you may wish to see if you can "revive" the battery's "life" ... first by depleting the battery (completely), then charging it (until it shows it is full, plus a couple more hours), and repeating this process a few times. If you're lucky, the battery will slowly/gradually start to hold some charge, but, don't expect it to be very long.
The (preferred) way to use re-chargeable batteries is to charge it fully, unplug it from the external power source, use it until it is depleted, then plug in the external power source to charge it up (fully) again .... and NOT to keep it on a power source all the time.

Oct 26, 2013 | Lenovo G500 59373039 Intel Core i5-3230M...

1 Answer

I purchased a battery 2 months ago because my laptop said my battery was bad. When I unplug my power source the laptop shuts off, the battery must not be charging.

this is comon with hp and compaq try removing the battery and plug it in turn it on and when on put battery in dont ask why for somereason it does work most of the time...

Apr 11, 2011 | HP Compaq Presario 2200 Notebook

1 Answer

Compaq Presario CQ40 - always shut down by itself. Want to know what is the problem.

I have same problem as yours. . My laptop shuts down by iteself. . My Battery isn't working too. . It is fully charged but when i unplug the adapter, it will shut down. . Badly need help. .

Aug 28, 2010 | Compaq Presario Notebook

1 Answer


Is the battery fully charged? If so unplug the device before turning it on. My roomates HP will shut off if plugged in while powered on it is most likely due to the compound on the heatsink.

Feb 13, 2010 | HP Compaq Presario V6000T Notebook

1 Answer

Laptop won't turn on, battery won't charge

I had a similar issue with the Armada M700 from Compaq. Never did figure it out exactly. But I do know this. When you unplug the power chord and take out the battery and plug the power chord back in while the battery is out usually for some reason it turned on allowing me to replace the battery which would then begin charging. Your problem interests me because I can really relate!

Jan 14, 2009 | Compaq Presario 1200 Notebook

1 Answer

Compaq Presario 1200 won't charge battery

dear N9YK

you can follow this

If you have a loose connection where you plug in the power on your laptop, or it works intermittently, you could have a bad dc jack. Symptoms
  • Move the power plug and the laptop loses connection
  • Broken or cracked dc jack
  • Laptop won't charge but worked on battery
  • Power LED and battery LED flicker when the adapter tip is moved
  • Battery won't charge
  • Sparks come out the back of the laptop
Why does this happen?
  • Flaw in manufacturer designs
  • Use of universal or non-original ac adapter
  • Lots of plugging and unplugging of the ac adapter
  • Tripping on or pulling the ac adapter cord
or you can check your dc amper in your adaptor




Mar 16, 2008 | Compaq Presario 1200 Notebook

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