Question about HP Compaq Presario V4135US PC Notebook

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Need a manual for compaq V4135US

On board Battery charging system has failed, will not operate system or charge battery. need schematic. this is hard to find for this model.
Can you help?

Glen

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Try looking for a v4000 series maunal

i found this on on hp/compaq web site

http://h10032.www1.hp.com/ctg/Manual/c00326470.pdf

Posted on Dec 08, 2008

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Hi, please do not rate me if this could not fix your problem. For initial solution, Try to charge your laptop with other if nothing change then replace the battery. Thank you...post for further details..

Posted on Dec 08, 2008

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1 Answer

On my 15in compaq how long should a fully charged battery last


A microswitch at the connection (where cord connects to laptop) is failed - this will need to be replaced, unfortunately, this requires nearly full disassembly of the laptop to get to the connector, and the whole connector has to be replaced. On one (of two) motherboards used in this model, it will require part to be soldered to remove, and soldered back on... the other it's a smallish board that unplugs from the main board.

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Compaq A900 i replaced the dc jack the laptop wont charge bought new battery and charger and still wont turn on


A battery that will not charge may be as a result of an AC adapter failure, a system board failure, or a battery failure. You should therefore try to troubleshoot the power supply, the System Board and the battery. You can read more through the following site.

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My compaq presario c795tu battery is not charging


Unplug the power supply, take a stiff tooth brush and clean the battery terminals in the laptop plus the battery, re-install the battery and plug the charger in, If that fails you need to find out if the charging circuits are putting out the proper voltage before you replace the battery.

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My compaq Evo n610c my battery wont charge when on ac power.The light for when the battery wont go on.


sounds like your DC coonector came loose from the system board.it is a common problem with laptops,

Problem symptoms:

  1. Laptop randomly shuts down without any warning.
  2. Power LED and battery charge LED start flickering when you wiggle the power cord or the AC adapter tip on the back or your laptop.
  3. The battery will not get charged.
  4. When you plug AC adapter, the laptop appears to be dead and there is no LED activity at all (DC-IN jack on the system board is broken).
here is how to repair:

http://www.laptoprepair101.com/laptop/2007/12/06/dc-power-jack-repair-guide/

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Compaq Presario V2000 laptop stuck in hibernate or sleep mode. Power light, battery charge light and HD lights are all on, nothing on screen, no working sound of HD. I have unplugged/plugged, taken the...


Try booting into the BIOS Screen and resetting to factory defaults. If that fails suggest swapping the hard drive out and re-install the Operating System - Save your old data and migrate the data off the old drive. You can buy an external drive adapter to connect the harddrive to a USB port to migrate you data.
Good Luck!

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I have a sony evo n600c and when it starts up its says 103 charge circuit fails does and the battary does not work i know i will need another battery but what i am asking is is the 103 charge circuit fails...


This error is commonly seen in Compaq laptops. Take out the battery,start the laptop with the adapter only and see if that error message pops up again and if not then it might be your battery.Usually battery life is 3yrs. Put the battery back again and see if the message pops up again. Try the battery on a different laptop. It could be the Voltage Converter Board...see service manual for the same or call Compaq service centre.

Jul 28, 2009 | Compaq Evo N600c Notebook

2 Answers

I have a compaq presario 700 laptop that is no longer charging.


The notebook battery may have a defect if it will not power on the notebook and if it will not hold a charge. The battery indicator light on the notebook either does not light or always blinks orange. The notebook operates correctly when connected to the AC adapter.
A battery that will not charge may be the result of an AC adapter failure, a system board failure, or a battery failure. Perform the steps below to diagnose the failure.
Troubleshoot the power supply
To verify that the AC power supply is functioning properly, follow the steps below.

1.
Plug the AC adapter directly into a functioning wall outlet, and plug connector into the computer. Do not plug into a power strip, surge protector or secondary power source.
2.
Verify the following operation and take the appropriate action:
*
That all power cord connections are secure.
If the AC adapter connection to the notebook is loose, the connector may be damaged and require repair. Contact HP service and support for further assistance.
*
That the power button or power LED is lit when the computer is on.
*
That an LED on the AC power supply adapter is lit when plugged into an AC wall outlet (not available on all AC power supply adapters).
*
That the AC power supply adapter is the correct type.
Different notebook models require different AC power supply adapters. You will need to know the Product Number of your notebook to determine the Part Number of the replacement part. Click Start > HP Help & Support to view the product name, product number, and serial number that you'll need to have to speak with HP Customer Service.
View the See Also section for information about locating HP Help & Support in your operating system.

Troubleshoot the System Board
If you've verified that the AC power functions properly, troubleshoot the PC's system board by following the steps below.

1.
Remove the battery, and keep the notebook connected to AC power.
2.
Press and release the Power button to start the computer.
*
If the notebook PC powers on , then the AC adapter and system board are functioning properly. Go to Troubleshoot the battery .
*
If the Power LED is off , then the AC power adapter needs to be replaced. Contact HP Service and Support for further assistance.
*
If the power LED is on , but the notebook PC does not power on, then the notebook PC needs to be repaired. Contact HP Service and Support for further assistance.
3.
Shut down Windows by selecting Shut Down from the Start Menu.

Troubleshoot the battery
If you have verified the AC power supply and system board are functioning correctly, troubleshoot the battery by following the steps below.

1.
Insert the battery into the battery compartment on the bottom of the notebook PC.
2.
Connect the AC power supply and allow the battery to charge for 15 to 30 minutes.
NOTE: The Battery Charging light should be on while the battery is charging. If it is not on, check the AC power adapter connection to the notebook PC.
3.
Unplug the AC power adapter cord from the notebook PC.
4.
Press and release the Power button to start the computer using only the battery as the power source.
*
If the PC does not power on, then the battery needs to be replaced. Contact HP service and support for further assistance.
*
If the notebook PC does power on, the battery is functioning properly.
NOTE: If you have purchased a second battery for your notebook PC or you have access to an identical battery, you can also check the battery by inserting the second battery into the PC and performing the Troubleshoot the battery steps again.

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2 Answers

Battery not charging...but is recognized by V2000


My guess since the battery checked fine in another laptop would indeed be the charging board or charging circuit on the motherboard.

Jun 14, 2008 | HP Compaq Presario V2000 Notebook

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