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Presario V3000 I've a Presario V3000. Its power jack is loose and connection is breaking time to time. I have moderate experience in repairing laptops. If you any of you guyz worked on this model, please give me some tips. This is my extra laptop, so I don't want to take it to a profession to fix it. thx Sam

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This is an extensive fix, You will need to tear the laptop all the way down and remove the motherboard in order to remove the old jack and resoldier a new one. I purchase all jacks for my shop from Ebay, you can generally get any jack for $3 to $6. Here's a disassembly guide for an r3000, it's similar to the v3000, and from experience, I can tell you that all laptops are similar enough that once you take one apart, you can take just about all apart. You might browse the site at the lower link a bit, it has many different assembly files, you may find more that will help.

http://www.takeitapart.net/forum/index.php/topic,5.0.html

http://repair4laptop.org/disassembly_compaq.html

Posted on Aug 23, 2008

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Presario laptop issue with power indicator light and detecting powers supply


Sounds like your DC Power Jack is bad or broken. The DC Power Jack is where the power cord plugs into the laptop? Most times it get damaged by too much stress on it such as sitting in bed with the laptop, or putting the laptop in the laptop bag with the power cord still plugged in.

Take an ink pen and put it into where the Power Cord normally plugs into the laptop. If the pin inside the DC Jack is loose or wiggles then the jack is probably bad. Sometimes the jack can be completely burned out and you can smell smoke .

If the internal DC Power Jack is loose, you will have totake the laptop apart to repair it. The DC Power Jack is on themotherboard and most times it is soldered to the motherboard. That meansyou will have to desolder the old one and solder a new one in it's place. Sometimes the dc power jack sits in a slot between the bottom case and palmrestwhich hold it in place and has a cable harness that plugs into the motherboard.

Apr 05, 2012 | Computers & Internet

1 Answer

When i press the power button on the nw8440 the charging light just flick several times but it does not start


Chances are, you have a bad motherboard. You can try one thing. In my experience, it works about 10% of the time.
Unplug the power cable from the laptop. Remove the battery. Press and hold the Power button on the laptop for 30 seconds (This will drain the power from all components). Put the battery back in the laptop. Connect the power cable. Try to turn it on. Again, in my experience, it works seldomly (I promise I've seen it work several times, though).
If that doesn't correct your issue, you may have a DC jack which has solder joints broken. If your laptop charges "sometimes" but not others, this is probably you. The DC Jack is the component inside of your laptop which the power cable plugs into. Over time, whether you do as much as trip over the cable down to just laying the laptop on your bed (it will sink down and put pressure on the DC jack/power cable), the DC jack may have wiggles itself free of the solder joints holding it to the motherboard. This is not a cheap repair.You can test this by giving SLIGHT upward pressure to the power cable at about an inch away from the edge of the computer. Keep an eye on the front LEDs. If no other LEDs light up, then you probably have a bad power cable. If, when gently pressing up on the power cable, you get an LED to turn ON, then you have a bad DC jack.
In either case, the only fix is to take the PC to a computer repair shop.
I hope this helps and thank you for using Fixya.com.

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Can this HP Pavilion DV9000 laptop adapter fit for Compaq Presario V3000 laptop? I doult that HP Pavilion DV9000 laptop adapter on website:http://www.laptopbatteryshop.ca/hp-pavilion-dv9000-ac-adapter.htm...


Have a look at the label on the bottom of the V3000 laptop and check the voltage and amps power rating of the laptop.
If the DV9000 adapter has the same voltage and current rating (amps) or higher amp rating then it is suitable for the V3000 laptop, provided the power plug fits the V3000 power socket.

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Ineed to access the power jack? How do i get


go to hp.com you can download manuals and drivers for your specific laptop,

on a side note, It has been my experiance that the power jacks are soldered on the mainboard and then thinly coated with glue so they hold position, keep that in mind because with yours being loose the odds are that the glue around your power jack is broken, so when you pull the jack out from the plastic case be careful not to break the solder connection on the mainboard

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The dc power jack will not accept power. I have to wiggleit to get the blue light to show that the laptop is charging. My computer is the acer aspire 5920-6423. I dont know how to remove the key board to...


It's a little more involved than just removing the keyboard. You have to
Completely disassemble the laptop, until just the motherboard is in your
hand.

HOWEVER, for this Acer model it's a different installation, than the
normal one. This DC Power Jack uses a small wire harness. You just
unplug the old one, and install the new one. Let me explain,

I'm a tech who normally works on HP, Compaq, IBM, (Lenova now),
and Acer laptops. Acer's that are older than yours. All the DC Power
Jacks that I have replaced, are directly soldered to the motherboard,
and have no wire harness leading off of them. No plug connector on
the end of a harness, either.

In my search just now for a replacement power jack, my findings show
that the Acer Aspire 5920 series have a small wire harness.
Let me show you,
http://www.notebooksolutions.ca/zc/index.php?main_page=product_info&products_id=2977

Here the jack is offered minus the harness. You have to unsolder your old
harness from the defunct power jack, and solder it to the new one.
http://www.laptopjacks.com/view_part/Acer-Laptop-DC-Power-Jack-AC231916.html

You'll find the body of the DC jack is made of plastic. There is a metal
pin in the center. (This is the Positive post. + )
Some DC power jacks have a metal cylinder, or metal tube shape that surrounds the Positive metal center pin. This is the Negative connection.
Some just have a flat metal contact prong in the back for Negative.

If you have your AC adapter plugged in, and the plug is bumped, the metal
center pin can break loose from it's mount. Break loose from the plastic
body. Same thing for the metal 'shell' for the Negative connection, but this
doesn't happen as often.
Again, most DC Power Jacks have metal flat prongs that come out of the
power jack's body, go through the motherboard, and are soldered on the
backside. These solder connections can crack, and break, making an
intermittent connection. Doesn't seem to be the case for yours, IF the
jacks shown are the correct ones.

This may help you in your endeavor to disassemble your Acer Aspire.
(AND reassemble!) (TIP from me. DEFINITELY buy an ESD wrist strap
and connect the alligator clip to a good ground. They only cost about
$5 to $7 dollars. They are to relieve static from your body. Electro Static
Discharge wrist strap)
1.http://www.insidemylaptop.com/taking-apart-acer-aspire-5100-laptop/
2.http://repair4laptop.org/disassembly_acer.html

Jun 22, 2009 | Acer Aspire 5920-6727 Notebook

2 Answers

If I replace my DC power jack, will it break again?


Heyy...compaq presario laptop's power cords are generally showing this problem. But its very untrue that replacing or repairing the power jack is a waste. Even i've presario 5200 and it was nicely repaired by serviceman in just $1 ... So don't panic...and try to fiind a nice serviceman who really knows this work... i hope this solution is helpful to you...

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1 Answer

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It sounds like you dc jack is not functioning if you are could with solder and disassemble you can do that yourself . Otherwise you can get it repaired for around 75-100 dollars

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1 Answer

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If the AC adapter is working but the computer doesn't recognize the power (the indicator on the computer isn't on) and the battery isn't charging, the trouble is probably bad solder connections at the power jack. Because of flexing of the power connector, the jack can break loose from the main board and needs to be resoldered. It's not a difficult repair, but involves taking the main board out to gain access to the bottom (solder side). In some cases the main board can be burned by arcing and heating from the bad connections, and sometimes the damage is too severe to repair. The only solution then is to replace the board.

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