Question about HP Compaq Presario 2500 HP Pavilion ZE 5000 NX9010 Series (chassis bottom)319470-001 (319470001) CD-ROM Drive

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AC Adapter Problem

About two years ago the AC adapter supplied with my HP Compaq Presario 2500 (2596US) malfunctioned, and I bought an after-market adapter with multiple connectors for different computers. I have been using it since without problems. Now, on occasion, the connector seems to lose its connection and the unit switches to battery power. This can happen even when the unit is sitting on my desk unused. Most times I can unplug the adapter and plug it back in (sometimes it takes multiple tries) and it will start to work again. I'm starting to suspect that the socket in the computer is actually at fault rather than the adapter itself. The connections does not feel as tight as I think it should. Is the solution to replace the socket, and how difficult is that for a non-techy, but otherwise competent person?

Thanks,
Rick

Posted by on

  • Anonymous Oct 23, 2008

    Rick,

    I'm having the same problem but with two non stock adapters. I have checked their voltage output. Both are at about 15.5 VDC. A new Compaq adapter brought it right up. It would appear that the old adapters are getting out of variance. I have been looking for the specs to see exactly what the DC power variance is in a Presario 2500.

  • Anonymous Jan 12, 2009

    power socket cuts mains power if it is physically disturbred

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  • HP Master
  • 20,706 Answers

Why not buy the correct power pack
matching the power needs of you puter.
each puter needs a watts level, do that or more never less.
only hp.com spec tells you what you need,
its in the service guide for you PC.
take out the battery
now run OFF LINE pack
run now? good, does it drop dead if you gently
wiggle the plug at PC port> not moving pack and its cable.
yes, then the PC has a bad power port end cause.

if it is the PC power jack bad
you will never fix it. its real deep and takes totally disassembly to reach.,(done many and do no teach LT guts to anyone)

amazing HP.com has your books, and is always there.
read them it specs it out.
yes, power packs go bad, 3 ways, dead, weak, or intermittent.
all do in time, (max life is about 20years,less if overloaded, as i bet you did)
if the PC needs, 50w, do not put in a 30w. use 50 or 75 or 100w
see? or it overheats .the pack,


here is your page (OP)
seems very very old, HP, is fighting me...
needs 19v at 90watts,
$8 to learn what is bad, is this too much>?
old XP LT built in the 1990 its very very old and slow.
256mb ram wow. Celeron ouch.


https://www.amazon.com/Adapter-Supply-Charger-Compaq-Presario/dp/B002V1CWZM/ref=sr_1_1/153-8354350-8800969?s=electronics&ie=UTF8&qid=1489601394&sr=1-1&keywords=compaq+presario+2596us

Posted on Mar 15, 2017

  • Anonymous Mar 16, 2017

    tell us what a non-techy,
    can do
    and not do.
    we cant guess that, only you can
    we cant guess your skills ever.
    all we can do is tell you the truth.
    use it or get living heap in hand. called techs.


    is the screen black???
    see this.
    battery out (is this tech?)ac connected
    we wiggle that pc power jack
    if power goes dead,the where your hand is
    touching IS BAD,
    end saga.
    http://jeepdied.com/look/puters/dead-scr...

    the only thing not tech is riding a horse
    but that to takes hard work keep it feed etc.
    tell me whats not tech today.'
    we use gas engines to mow a lawn.
    or electric tooth brushes,.
    endless. tech.

    the non tech solutions are
    get it fixed, only takes cash.
    or buy a newer one that works.

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SOURCE: Compaq evo n610c battery not charging

Hello All;
I used to have these same problems. I replace my BIOS battery, which I know was dead, because all settings get reset when I unplug the power and remove main battery. You might not have to replace it if its still good. Back to the main battery problem, You have a good change of solving this by going into BIOS, and under Tools there is a Battery Calibration option. Do the calibration for the main battery and-or other optional batteries attach and it will most likely solve the problems. This calibration process will take a long time; 1-charge, 2-discharge, 3-recharge, so leave it over night or however.

There was a mention of updating BIOS. This could solve the problem too, because BIOS controls the charging unit. Also, make sure you have Compaq Power Management install on your OS, (download at hp.com).

One note: it will not charge if the battery is about 93% or higher. 93 is not exact, but close to 90%. so test by discharging to below 90% and it will start charging again.

If anyone tries this, leave a post of your success or failure.

Posted on Mar 20, 2008

carlosmoya
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SOURCE: Laptop will not power up with Adapter

It sounds like there is a problem with your motherboard. You would have to take it someplace to run diagnostics on it. It may be time for a new laptop

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I have a DV1130us and I'm having the same problem. I've already replaced 2 blown SMD capacitor on the motherboard, originally would only short out and obviously not boot or charge.

But I think it may be the MAX1907a chip, basically the actual power supply controller for the laptop, though it may also just be another bad cap somewhere. If/when I get mine working I will post what I did to get it to charge.

Posted on Sep 12, 2008

Palmbeach
  • 185 Answers

SOURCE: HP ZV5000

For all those with the ZV series power jack problem, I have replaced a few of these jacks and it is not an easy job unless you are an engineer.

The entire laptop needs to be disassembled, all the panels need to be removed, including the keyboard and you almost have to remove the motheboard.

Even when you eventually gain access to the offending part, you will need to be competent in using a soldering iron to remove the jack without damaging the printed board, then clear the holes so the new jack can be fitted.

While you are doing all this, you need to remember that the circuitry is static sensitive. This means that you can kill your motherboard just by touching it.

When you have finally finished the job, unless you have been pretty smart, you'll end up with a box full of different size screws and you won't know what goes where!

With the ZVs I have repaired, I usually supply a short jumper lead that plugs into the power jack on the back of the laptop. This is two or three inches long with a cable power socket on one end and a power plug on the other. This means that the user can leave the power plug plugged into the laptop all the time and just disconnect and reconnect the power unit from the other end of the patch lead instead of wearing out the laptop's power jack.

Posted on Sep 13, 2008

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Compaq presario cq61 will not stay turned on.


For this kind of issue, please follow up the following steps to check:

1.confirm the battery and ac adapter connect the laptop normally.Maybe the bad connect lead to this problem. If there are no lights when you turn on laptop, one of possible reason is that your adapter is malfunction.

2.the second possible cause is laptop dc jack failure. If the dc jack is broken or loose, you are required to replace it or repair it.

3.Another possible reason is that there is something wrong with laptop motherboard. For this situation, it includs two kinds of possibility,a failure in an electronic circuit and BGA malfunction.

For more detailed reasons and solutions, please have a look at the following article:

http://www.ifitjams.com/lappower.htm

If you verify your laptop adapter is dead and you plan to order a new one, I recommend one for you on the basis of your laptop model:

Replacement Compaq Presario CQ61 AC Adapter 65Watt 18.5V 3.5A

Replacement Compaq Presario CQ61 AC Adapter 90Watt 19V 4.74A

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Cq61 laptop battery issue


For this kind of issue, please follow up the following steps to check:

confirm the battery and ac adapter connect the laptop normally.Maybe the bad connect lead to this problem. If there are no lights when you turn on laptop, one of possible reason is that your adapter is malfunction.

the second possible cause is laptop dc jack failure. If the dc jack is broken or loose, you are required to replace it or repair it.

Another possible reason is that there is something wrong with laptop motherboard. For this situation, it includs two kinds of possibility,a failure in an electronic circuit and BGA malfunction.

According to the sympton you have described, the most likely issue is your laptop charger failure. Considering replacing a new one:

Replacement Compaq Presario CQ61 AC Adapter 90Watt 19V 4.74A

Replacement Compaq Presario CQ61 AC Adapter 65Watt 18.5V 3.5A

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I have similar problem


The battery is too low for the power adapter to charge it and power up the laptop at the same time.

Remove the battery. Start the computer using the power adapter (no battery).

Once the operating system settles.... put battery back in and let it charge up.

Hope this helps!

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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.
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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.
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If the notebook PC does power on, the battery is functioning properly.
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1 Answer

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eather you have one or a couple of the following problems,

1. you have a bad battery
2. the power supply is defective
3. the charging circuit in the laptop is defective and the motherboard will require replacement or repaired.


Dennis

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