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Battery not charging

Hi I have a Compaq ARMADA 7750MT Note book, it works fine on mains power but the battery is not charging or holding charge. With the battery installed the system can't find it ie. returns message "Not Present"

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Either of the two reasons. The battery may be dead (most likely, depending on the age of the laptop) or the charger may be faulty. Both is unlikely as both of them could not have conked out simultaneously.

Posted on Oct 03, 2009

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Posted on Jan 02, 2017

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Acer aspire 6920 11.1 v battery work but 14.8 v wont charge why is this


Check model numbers, I had this problem with apple, to of the same laptops two differnt batteries

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My laptop is compaq Armada M700 with Windows XP Professional version 2002, how will i know if my battery is already fully charged? i have been charging it for a day and when I disconnect the charger tha...


From your description it seems the battery hasn't been charged right, so there maybe something wrong with the battery or laptop. First, do a clean to the your Compaq Armada M700 battery and the connection chip on your laptop, then to see if there is something get better. When you charge you laptop, there will be a lights to note the state, do you have noticed? Else if your Compaq laptop battery are used for 2 years please try a new one

Aug 25, 2011 | Compaq Armada M700 Notebook

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Compaq armada 110 battery not charging at all laptop works on power supply perfectly but when cable removed no charge in battery, new battery purchased same problem how can i resolve please


I'm sorry to here this but in this case you must bring the laptop in the manufacturers service center because they have to replace batt terminals for it to charge them again. It happened to my cousins laptop.

Apr 06, 2010 | Compaq Armada 110 Notebook

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I have a compaq armada 7750mt. I can hear the hard drive running and the cd rom runs when a put a cd in it but the screen is black and none of the lights are lit. Would this happen if one of my ram modules...


Yes, bad RAM can cause these symptoms.

Remove any CD-disk from the CD-drive.
Turn the computer off.
Disconnect the AC power.
Remove the battery.
Remove one stick of RAM, leaving one installed.
Connect the AC power, and see if the computer will start.
If necessary, repeat the above with the "other" stick of RAM.

Otherwise, take the computer to a qualified technician, for complete trouble-shooting.

Jan 20, 2010 | Compaq ARMADA 7750MT P166 (CLCPQ7750P166)...

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How to charge battery in compaq armada e500


You need to connect the power adapter and charge it for some time and check.

May 09, 2009 | Compaq Armada E500 Notebook

1 Answer

Laptop only works with mains power supply connected


When you power your system up do you get a message saying battery charge failure or some other disappointing driver message? Try powering down, removing the battery, and look for a little button on the underneath of the battery. You should be able to press this button and a series of lights will or won't appear. If they light up it means the battery is truly charged. If not there is something wrong with the connection. Try wiping the surface off and replacing the battery. Also make sure the pin that you place into the laptop to charge the battery is free of dust, etc. 

Aug 30, 2008 | Compaq Armada M700 Notebook

1 Answer

Battery for Compac Armada M700


Hello Felcen:

It could be just a coincidence...but lets try a few things...

Remove the battery and unplug from the wall. Hold the power button on...and then plug back into power...after 8 seconds release the power button. Once your computer boots to desktop...shut down...and replace the battery.

Changing the harddrive should have anything to do with teh battery...

See if your battery starts charging after this trick.

Let me know and good luck my friend.

Seek PC Repair

Feb 12, 2008 | Compaq Armada M700 Notebook

1 Answer

Compaq Armada M700


Always start with the simplest solution first so start by cleaning all the contacts, AC adapter laptop plug, laptop socket, laptop battery contacts and battery contacts. How have you confirmed power output from the AC adapter? have you used a voltmeter to ensure you are getting power at the laptop end? Have you used a voltmeter to test the battery? Assuming you have tried all this don't forget that almost any component can interrupt power on some laptops, however you're 2 main culprits with this kind of problem are usually power controller (voltage regulator) and in some cases, on a laptop of this vintage, the charge controller built in to the battery. Try it with a different battery if you have one.

Aug 10, 2007 | Compaq Armada M700 Notebook

4 Answers

Compaq armada m700 power failur...


try removing the large battery and powering off wall supply only...if ok, then replace battery

May 30, 2007 | Compaq Armada M700 Notebook

5 Answers

My Compac Armada M700 does not power up.


Had the same problem with My Compaq M700 No Boot Or Post. Battery Light Flashes 8 Times, Have to Wait 24 to 48 hrs sometimes longer to get Laptop to Start. Tryed the DC Converter Board Change No Difference same Problem. Noticed When Laptop Did Start Clock Time Was always a Little Off 2-4 Hours sometimes more. So Figure CMOS Problem With Time Issues. Read About Battery Memory Transitor Voltage spike Detection Issues Corrected With Newer Bios Flash at HP Supports. So I Flashed Bios With Latest 686h. During the First Boot After Reflash Battery LED Did flash No Start, After pushing the power button again it Started. And has Every since.So Far Laptop Now Boots Everytime and CMOS Checksum Seems To Keep Time Correct In Windows. The Bios Flash Corrects a Voltage Spike Detecting Transistor In The Charging Circuit. During First Start after flash Bios will run system test on the charging system and Correct CMOS. Worked for Me Hope this Helps a Few.

Oct 30, 2006 | Compaq Armada M700 Notebook

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