Question about Compaq Presario 1200 Notebook

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My laptop shuts off if unplugged and the battery shows full power

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  • Compaq Master
  • 2,017 Answers

Your battery is faulty kindly replace the battery.

Posted on Sep 10, 2009

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Posted on Jan 02, 2017

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1 Answer

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

Battery


This is the procedure for solving consider replacing your battery problem. Start by running the command prompt with administrator privileges. This will give the full control over the command prompt. There are those commands that can only be executed when you are using the command prompt with administrator privileges. Change the destination path showing on the command prompt to be set to C:\ then type the command POWER -ENERGY( to change destination path to C:\, type CD\ ). This command will make the computer scan the battery status and after 60 seconds, a report will be generated and saved in C:\. Simply open the energy report and scroll to check the battery information. Look for the design capacity and the last full charge, note the difference in this figures.
For my laptop, these were the details
Battery Information
Battery ID: Hewlett-PackardPrimary
Manufacturer: Hewlett-Packard
Chemistry: LION
Design Capacity: 88800
Last Full Charge: 36467

To remove the message consider replacing battery fully charge your laptop battery then unplug the charger to use the laptop on battery power. Use it until the laptop to automatically shut down. Still with the charger unplugged, power on the laptop again. Do this until the battery is totally empty. Now plug in your charger and charge the battery fully. Then perform the commands steps again by running the POWER -ENERGY command. Make sure you note the differences in the last full charge details. Continuously perform these steps until the figures in the last full charge are more than 40% of the design capacity.

May 19, 2013 | Acer Aspire Notebook

1 Answer

Nc6000 multibay battery does not recharge


Perhaps remove the multi-bay battery, and let main battery charge all the way. Then reattach multi-bay battery, and see if it's recognized.
(Will charge)

That is AC adapter (Charger) removed, then remove multi-bay battery.
Plug AC adapter back into laptop, THEN plug AC adapter into power.

[You do Not want to unplug an AC adapter from a laptop, with the AC adapter plugged into power. Could be a power surge/voltage spike. Unplug AC adapter from power, when plugging into laptop, or unplugging from laptop ]

Main battery charged, unplug power to AC adapter, unplug AC adapter from laptop. Plug multi-bay battery in, then AC adapter.
(Then plug AC adapter into power)

Post back in a Comment.

Regards,
joecoolvette

Feb 28, 2013 | HP Computers & Internet

1 Answer

Compaq nx6125 is not charging even though the adapter is working fine and the battery is fine too


Firstly, try the following steps to check the problem:

Turn off laptop.

Unplug AC power adapter.

Remove battery.

Replace AC power adapter.

Turn on laptop, allow OS to boot.

Once logged in to the machine, perform a normal shut down.

Unplug AC power adapter.

Replace battery.

Replace AC power adapter.

Turn on laptop, allow OS to boot. The battery should once again be charging as normal.

Oct 25, 2012 | Computers & Internet

1 Answer

Computer just shuts off when i unplug even though shows full battery


POWER SUPPLY & BATTERY PROBLEM
If thelaptop battery is more than 3 - 4 years old then the battery could be worn out.Rechargeable batteries have a finite number of charge and discharge cycles andwill lose their charge capacity over time, i.e. won't charge to 100% andgradually the charge reduces until the battery won't charge up at all. OR Thebattery shows a 100% charge but when the adapter is disconnected the batterydrops off to zero capacity in a very short time. If the battery drops to an unacceptablecharge level then the battery needs to be replaced.

Jul 07, 2012 | Sony VAIO VPCF134FX/B F Series Notebook

1 Answer

Lenovo g550 turns off when power supply is disconnected ,battery shows fully charged


Replace the battery, it's faulty.

Batteries only have a useful life, then they have to be replaced. Sounds like yours is doing like the ink cartridges, where they register as being full of ink when actually there is no ink in the cartridge.

May 18, 2012 | Lenovo G550 Notebook

2 Answers

I donot know what is wz my battery but it is show 100% but in real it is like 15% plus it is only stay like 15min while it is unplugged


Hello,

This is a sign that you need a new battery. If you can not get a new battery try calibrating the old one. Here's how:

1. Charge the batter to full. (I know you stated it is like 15% but charge it till it shows full.
2. Unplug the AC adapter and let the battery drain. (If your notebook shut down b/c of low battery, keep powering it on until it will not come on anymore.)
3. Once drained, charge it again to full power and repeat the process at number 2.
4. Finally, charge the battery again. This time it should be recalibrated to hold a full charge close to the factory setting.

Good Luck
C2Solutions

Feb 19, 2011 | HP Compaq nx7300 Notebook

1 Answer

Battery indicator keeps fluctuating to 4hrs to 6hrs back to 4hrs then 8hrs every 5 mins or so i have acer A0532H with windows 7


first of all let me ask how old is the battery, if it`s new-discharge the battery until pc shuts down itself because of low battery, remove the battery , unplug AC charger from laptop, wait for 5 minutes, then hold power button for 5 full seconds, wait another 5 minutes, then put battery and ac charger on , don`t turn on laptop yet, wait until battery indicator shows that battery fully charged, then remove AC charger, and turn on laptop. P.S. you can try this on old battery too, but usually worthless, because old batteries are not recognizable by system currectly ..

Mar 10, 2010 | Acer Aspire One AOA150-1457 Notebook

2 Answers

Laptop shuts off when unplugged, battery is fully charged


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.

Feb 23, 2007 | Compaq Presario 1200 Notebook

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