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Hp compaq nx7400 - battery died and power cord will not turn comp

Hp compaq nx7400 - battery died and power cord will not charge battery or turn on computer

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If your system won't boot up with just the AC adapter connected, it means to say that there's a problem with the AC adapter or the motherboard of the computer. Basically, if the AC adapter or the motherboard is damaged, you won't get a charged battery. If there's another AC adapter that you can try your computer with then that will be great. If antoher AC adapter works, then you just have the AC adapter replaced. If a known AC adapter didn't work then you may need to consider replacing the motherboard of the computer.

Posted on May 07, 2009

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Some laptops will not power up with a completely discharged or faulty battery. Remove the battery from the laptop, plug in the power cord and try to boot the system. If the system boots, your battery needs to be replaced. Replace your battery as soon as you can, it's not a good idea to run the laptop for extended periods with an open battery bay.

Posted on May 07, 2009

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I have a compaq nx7400 and the battery won't charge new battery and new charger.all it says is charging any ideas how to fix this


good day!
did you give it 24hrs to finish a charge?
the PC has a charging chip inside.
new battery from whom>?
the line pack is not a charger its line power pack,
it converts 120vac (or 240 outside usa) to 19vdc.(Or your spec)
the 19vdc runs the PC perfectly with no battery installed DOES IT>
that is the first test. the power pack must be the the correct pack
for:
voltage
current (never lower spec)
and watts.
if not the correct power pack it will now work correctly
the watts can be higher no problem,

if it runs ok on line power no battery
then we try the battery. (give it 24hrs for stubborn old batteries)
if the power pack is ok, it will charge, (spec pack as HP tells you)
if the battery is bad it will not.
if the charger chip in the PC is bad (MOBO BAD) then it will not

testing takes, skills and tools, one tool is a voltmeter
lacking that tool, one can only guess.
what not get your PC repaired by a TECH.???????

here is your HP page, its non trivial, no>?
see that they have 5 power packs used
that is BECAUSE they HAVE many power levels of CPU/GPU
faster rated CPU'GPU need more power.

https://support.hp.com/us-en/product/hp-compaq-nx7400-notebook-pc/1847094/how-to

you never once said
it runs perfectly on AC power only
not once
nor it does not overheat. nor if the fan works and vents all are free of lent.

Mar 29, 2017 | Compaq Computers & Internet

1 Answer

Wireless button not working on compaq nx7400


Check Device Manager to see if the wireless driver is installed, if not the download the wireless driver and install it on your HP laptop.
You can download the wireless and device drivers from the Compaq/HP WEBsupport/download page. Make sure you select your model laptop and the Windowsdrivers you require and install them. Click on this link to download thedrivers: -
www.compaq.com/country/cpq_support.html

Mar 28, 2012 | HP Compaq nx7400 Notebook

1 Answer

Hi, i have a hp nx7400, it wont start or charge battery. tried with different adapters and with a docking station. when i push on button it will blink 8 times without battery connected, with battery...


Hi,
Remove the battery from the portable and disconnect the Ac adapter. Press and Hold down the power button for 15 seconds.

Reconnect the Ac adapter only and power on the system. If the system is doing the same . The motherboard on the computer has gone bad.

You can read more on the same on the link below
HP support forum

Thanks for using Fixya
Proton

Oct 04, 2010 | HP Compaq nx7400 Notebook

1 Answer

Hello, I have HP compaq nx7400. the hinge screw at left side is loosened. wish to know how to get it repair and how much will it cost. regards pallavi


you need to contact you local computer repair shop, as this site is not a computer repair shop, just a support site.

Aug 16, 2010 | HP Compaq nx7400 Notebook

1 Answer

Battery does not charge


Will the old battery (that you are replacing) charge up at all? If the old battery charges but the new battery will not, then it's likely a bad replacement battery.

To rule out the possibility of a corrupted battery meter inside of windows, you may wish to leave the laptop on battery power only, until it dies. A 5% charge will usually only grant you about 20 minutes of laptop life maximum. Since you left it charging all night, you should get a few hours of life before it dies. If you get a few hours of life, the battery meter software is corrupted.

Most likely though, the replacement battery is bad.


Sep 02, 2009 | HP Compaq Evo n610c Notebook

1 Answer

Hp compaq nx7400 - battery died and power cord will not turn comp


Do you have another power cord to check? Most places like bestbuy is willing to let you test a universal power cord for your type of laptop before you buy. Usually in your case, the power cord or connector has gone bad. If you test the laptop at the store and it doesnt work then its your connector but if it works. you could consider buying that power cord.

May 07, 2009 | Computers & Internet

1 Answer

Battery power died and the power cord will not charge or trun on the computer


When you plug in the adapter into the laptop a LED lights up to indicate that it is connected to the mains supply and is charging.
The adapter is faulty or the connector is not making proper electrical contact. Wriggle the connector plug to see if the charge light comes on, if it does then the loose connector needs repairing.

Check the adapter with a multi-meter, the voltage reading should be a slightly higher than the voltage that is printed on the label on the adapter. If the voltage is more than 10% below the nominated voltage then replace the adapter it is faulty.

May 07, 2009 | HP Compaq nx7400 Notebook

1 Answer

Problem with power cord/AC adaptor...maybe?


I would just go buy another battery charger pack. They are like 75 dollars to buy. Sounds like yours might have a short in it!

Mar 26, 2009 | HP Compaq nx6110 Notebook

1 Answer

Battery for HP Compaq nx7400


The difference is battery life. So just buy whichever you can afford.

Jan 14, 2009 | HP Compaq nx7400 Notebook

1 Answer

Doesnt power on or charge


Sounds like your hard-Drive is not reponding.

Jul 27, 2008 | HP Compaq Presario V2000 Notebook

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