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Athlon HP won't power - NOT AC adaptor or DC jack on board.

I have an old Athlon based Hewlett Packard which came across my work station with a puzzling issue.

It won't power up at ALL - The AC to DC adaptor works fine, and checking the terminals in the mainboard - I get the 19VDC, aswell as if I check from the tip connector to an earth position on the chassis.

No lights, nothing at all.

The battery has charge, it's GETTING charge but nothing else.
Fan doesnt spool up either.

Oh and I get voltage across the solder points on the power switch on the other side of the board.


VERY puzzling!!!

please help!

Posted by on

  • brodieman23 Feb 26, 2009

    Hi - I checked what I thought was the internal fuse (has ET 5A written on it). It has continuity. Attached is a pic to see if you can clarify if im testing the right component.
    SORRY ABOUT MR BLURRY CAM! - I dont have a good cam with me let alone one with macro zoom




  • brodieman23 Feb 27, 2009

    Oops - I just noticed a major error - the computer is a Packard Bell not a HP (stupid mistake dammit).

    Looked everywhere else on the mobo for other fuses - but cannot find. Just to be 100% sure im gonna resolder the DC jack and a few others (including mounting a M205 5A glass fuse onto the exposed board) just to see what will occur.


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  • Master
  • 4,234 Answers

There are small rectangular surface mounted fuses inside on the motherboard that may be open. These will be small and white with the circuit designation Fxxx written on the board. Look for these first and check them.

Update this with what you find.

Dan

Posted on Feb 26, 2009

  • ABRsvcs Feb 26, 2009

    There is probably anothr located closer to the fron of the laptop as well. Look for that one too.



    Dan

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HP Pavilion DV9035NR DC Jack


replace your dc jack with the help of same dc jack and soldering iron.

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Tip

Battery won?t charge and AC adaptor not recognized


I have a Dell Inspiron 6000 that just turned two years old.

After one year, my dell 6-cell battery started to falter, so Ipurchased a new 9-cell battery. This worked fine until a couple ofmonths ago when I noticed that my 65W adaptor was frayed. I bought anew 65W Dell Inspiron 6000 ac adapter andit worked well for about a week until I noticed that my battery wasn’tcharging at times. If I was patient, or unplugged the adapter andplugged it back in, the battery began charging and all was saved.
dell-inspiron-6000-laptop-battery.jpg?w=200
This lasted only a short time until my Dell Inspiron 6000 batterywouldn’t charge at all for long periods of time, and sometimes thecomputer wouldn’t turn on, even if plugged into the wall. I thought itmight still be the adaptor, so I borrowed a fully functioning 90W Delladapter from a family member to test the system. This worked better,but still not great.

When I removed the battery and started only fromAC power, the functionality was also intermittent. Usually, if thecomputer actually started, I received the start-up error “The Inspiron 6000 AC AdapterType could not be determined, etc. etc. etc.” After pressing F1, thecomputer booted, but if the battery wasn’t in, the computer didn’tusually last long before shutting off. Unsure if maybe the battery wasthe problem, I put the 6-cell Inspiron 6000 batteryback in, and it too wouldn’t charge, although (together with the 90Wadapter) my computer would at least start more consistently if pluggedin. The error remained however, and sometimes the system stopsrecognizing power and switches to my ever dwindling battery power untilthe adapter is recognized again.
90-06009-010_replacement-dell-inspiron-6000.jpg
The problem is with the jack on the motherboard inside our Inspiron 6000’s. This is the jack you plug your power plug into on the back of the laptop.

Somehow the jack gets worn and does not make correct contact withthe laptop so the Laptop does not see the power supply as a legit Dellbrand. So the powersupply will not charge the laptop battery and run the laptop at the same time.

DC power jack repair guide. Do-it-yourself instructions.

Modern laptops are all sold with built-in wireless laptop ac adapter.Some power notebooks used by corporate road warriors will have powerfulcellular adapters that connect the laptop to the Internet via the cellphone infrastructure

A bad connection between DC-IN power jack on the system board and the system board is a very common problem with dell pa 12,dell e1505 and Dell Inspiron 6000notebooks. If your laptop is out of warranty, then you can fix theproblem by resoldering DC-IN jack on the system board. If it’s stillunder warranty, it would be fixed at no charge to you. Problem symptoms:
93-06070-002_replacement-dell-pa-12.jpg
  • Laptop randomly shuts down without any warning.
  • Power LED and battery charge LED start flickering when you wigglethe power cord or the AC adapter tip on the back or your laptop.
  • The battery will not get charged.
  • When you plug ac adapter for laptop, the laptop appears to be dead and there is no LED * activity at all (DC-IN jack on the system board is broken).
To fix the problem, you have to take your laptop apart, remove the system board to resoleder or replace the DC-IN jack. dell pa 12 and Dell Inspiron 6000 disassembly guides will help you to remove the system board. Take a closer look at the power jack on the system laptop board witha magnifying glass. In most cases you get the power problem because ofa bad connection between the DC jack and the system board, you’ll see acrack between the DC jack connector and the system board.

on Jan 22, 2010 | Computers & Internet

1 Answer

0xc190003 HP b010


"Gondo" <nowingspaanspam@yahoo.com> wrote in message
news:fsv880din9khpu7e9p8olvrc8uj1u1uj3o@4ax.com...
> This has been an ongoing problem with this laptop, and now I can
> hardly get it to power up at all.
>
> First, the AC/DC power adaptor jack in the back is very loose and
the
> power is lost intermittently when you move the jack around on the
> receptacle.
>
> Once the green power light does come on, you press the power switch
> repeatedly to the left to turn the laptop on and nothing happens.
Only
> by the combination of wiggling the power adapter jack around while
> pushing the power button repeatedly can you maybe get lucky and get
it
> to start up.
>
> I was just wondering what else might be bad internally besides the
> power adaptor jack. Possibly the connection to the power switch or
the
> switch itself? The AC/DC adaptor was replaced recently, so I'm
pretty
> sure that isn't the problem.
>
> It appears it will need replacement parts, so I'm looking for
> recommendations on where to find the applicable parts online.

To Fix Your Hp Issue,In Case You Still Having Problem Then Follow Us For On : HP Support

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1 Answer

Hewlett Packard Compaq Presario CQ56 power/charge light blinking orange & will not charge. I replaced the charging unit but it is dtill not charging. What could the problem be?


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1 Answer

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1 Answer

My notebook 2133 is completely dead charger is working ok I think its the battery


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