Question about HP Compaq nc2400 Notebook

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Only runs on battery when plugged in ...no chager light comes on

My compaq nc2400 was fine but today the charger does not seem to work when plugged in. Also the charger light does not come on and it has run my battery right down. I also have a compaq nc600 so I swapped the power lead from the 6000 to the 2400 adapter to see if it the plug at fault but this did not work either. It is possible my adapter is damaged or is it likely to be a problem in the PC. Everyting eles on my PC works fine.

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You need another adapter

Posted on Jan 24, 2009

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I turn on my razor E300 the lights comes on to say its on but dont work i plug my charger in and on the chager the green light comes on saying its full charged what could b the prblem ?


The green light will come on if the charger does not sense a low battery. In other words, if you plug it into the wall, and not the scooter, it will still show the green light. It will only show a low charge (and charge the battery) if it is completely connected completing the circuit. My guess is that the battery is dead, and the plug is not all the way connected. Also, I believe the scooter has to be turned off to charge.

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Jazzy charge light on chager does not come on


The red light indicates that power to the off-board charger is on. Try a different ac wall outlet that you know works. If a red or green light does not come on you will need to replace charger. Also check the condition of your batteries - dead batteries will not charge.

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How do i replace a cmos battery in my hp compaq nc2400


I was unable to locate your specific laptop this might ge you some in sight in what to look for and how to remove cmos battery remember some cmos batteries are soldered in
RTC battery replacement procedure on Compaq HP Mini 110 netbook & clear CMOS http://www.youtube.com/watch?v=P_cxAireIsw

Feb 26, 2013 | HP Compaq nc2400 Notebook

1 Answer

Its plug in but battery wont charge


If your battery will not charge, you need to run a test on some components on the laptop. The battery, the charger and the laptop itself. Once you detect the faulty conponent then you replace it with a new one.

To test the battery:
1.Power off the laptop,
2.Take out the battery,
3.Insert it in another laptop,
4.Check of it will charge,

If the battery holds a charge there, then it means the problem is not from the battery, but if it does not hold a charge, then it means the battery is defective and need to be replaced with a new one.

To test the charger:
1.Unplug the charger from the present laptop,
2.Connect it to another laptop to see if it will charge.

If it charges the laptop, then it means the charger is alright, and if it does not charge the laptop, then it means the charger is bad and need to be replaced.

To test the laptop:
1.Turn off the laptop,
2.Disconnect your present charger,
3.Remove your present battery pack,
4.Insert a well tested battery into the laptop,
5.Connect a well tested charger to the laptop.

If it powers on, then it and charges, then it means the laptop is working fine, but if it does not charge, then it means the connection port of the laptop is bad.Hope this information was helpful.

Nov 28, 2012 | HP Compaq nc2400 Notebook

1 Answer

I have a Toshiba L300, when ever i connect the Adapter Chager, the laptop freezes and it give me a blue screen background (not BSOD). The laptop' working fine when it's running on battery powe


It sounds as if you need a new charger. Try removing the battery and start the machine with just the charger. If that works then it may be a new battery you need. Some toshiba notebooks have a 'power saver tool' preinstalled, which is used to monitor battery performance. You can download a copy here:
http://eu.computers.toshiba-europe.com/innovation/download_drivers_bios.jsp?service=EU
Not sure if it will be compatible with your machine, but maybe worth a try as it could be a corrupt program causing the problem.

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My notebook does not come notebook on any more why?


It maybe Athlon X2 shorted out. Replace the cpu so that it will not shut down the charger.

Jan 30, 2012 | HP Compaq Presario CQ50-210US Notebook

2 Answers

My laptop is completely dead, fine yesterday. Today no lights, sounds nothing. I tried removing the battery , unplugging no response. Thanks,


Remove the battery for at least 3 minutes... Then put it back and then plug in the charger and switch on the charger. If the battery is completely drained, it would take a while for the charging to initiate. Please have patience and leave it on charging even though without the charging indication for at least an hour. After that still if the charging indicator doesn't lit, then its definitely your charger or laptop. You will need to take it to a service centre in that case.

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Compaq C500- Will not turn on no lights except for battery LED lit. It was working fine last night. The computer was left on and the battery ran down so it did not shut down correctly. When i push the...


Power drain would be a better solution in this case.
1.first shut down the comp
2.unplug the charger
3. remove the battery
   and after press and hold the power button for 60 seconds without any charger and the battery.After the 60 seconds replug the battery and the charger and turn the computer .

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