Question about HP (D7580-60003) Motherboard

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I have a hp nx500 [i think] laptop. its motherboard is broken, to the best of my knowledge. how it happened is the area where the charger plugs in is all messed up. if its resting just right it will start up fine, but if it moves like a nanometer, it will crash. everything else works perfectly, and I'm not incompetent with computers. i believe its just some damaged connection, but not sure. can you pls help??

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I had the same problem on my laptop a while back, all it is a case of doing is to take the laptop appart and re solder the powr plug back onto the mobo, i found to stop it doing it again ( i found this out as had to do mine twice lol) is to get a hot glue gun and go over the top and down the sides of the power plug this will stop it from move to much as to break the solder again....hope this helps

Posted on Feb 08, 2010

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Dropped toshiba PSC2EU-00U02H and brock power jack and charger


MOST power jacks are repairable, though they require an experienced person to disassemble the computer and replace the jack. Older laptops have the jack soldered to the motherboard and require a complete disassembly, while newer laptops have the power jack on a wired connector that plugs into the motherboard (MUCH easier to fix).

Here's a link to YouTube video for a Toshiba Satellite C655 (I think that's your model) that shows the entire procedure:
http://www.youtube.com/watch?v=Q76HHXJVvAg

You can check with local computer repair services in your area, though I generally find better prices online.

If the Charger plug is broken, you can order a replacement charger online as well.

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My computer wont start on after bios update failure


And nothing will happen. Do not PERFORM BIOS UPDATE unless strictly necessary. Do not perform BIOS UPDATE without CHARGER plugged in and be sure you have enough power for 10 minutes. NOW... If you are lucky, in service they will be able to REWRITE your BIOS. Check HP website for service in your area. If not, your motherboard will have to be replaced. Good luck. Keep us informed of the results.

If computer SHUT DOWN while reading BIOS FILES you might have a little chance to repair it. Unplug battery. Charger must not be connected. Press POWER for 30-40 seconds. Plug back battery. Press power. And pray before this.
IF this will not repair it... the two options described before will...

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1 Answer

Laptop won't boot past windows logo with power plugged in but will on battery


It seems the Problem With the Power section in Motherboard, may be the small Problem like broken DC connector or any some major problems. Send it to the Service center if you have any Warrenty or Repair it with local Motherboard service man. best of luck...

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1 Answer

I have a HP/Compaq 6510b laptop computer and it will not turn on...I have the charger plugged in and the only thing happening is the green light periodically flashes...Is the battery bad?


IF the battery is bad the charge lndicator on the laptop will flash (But not periodically) it will be a constant on-off-on-off..... Best check would be to remove the battery completely and use the adapter/charger power supply only. If it still does not turn on then you either have a bad power jack connection or a more serious motherboard problem. Also is the green light flashing on the adapter/charger or is it the charge/battery indicator on the laptop?

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2 Answers

My laptop charger is not working period but its not the charger its the computer


Elaborate a little more on why you don't think it is the charger? Did you test the voltage at the tip or did you test the charger on another HP device that needs 19 volts to run properly? Just remember a laptop can run with less wattage but not less voltage. I will tell you though that DV4000's are known to have power jack issues and that the jack is soldered directly onto the motherboard. They are not easy to replace because of the amount of "legs" they use to attach to the motherboard. Because of this there are issues with broken solder points on one or more of the legs. Sometimes these can be resoldered instead of having to try and remove the jack. Just heat up the solder and let it flow back over the joint and hopefully that make contact. The other issue with their jack is the solder point at the center pin breaks and the tension band inside the housing tends to lose its tension and will no longer hold the charger plug in place. Last but not least, the power circuit on the motherboard itself has been unreliable at best, if that fails, just replace the motherboard. Good luck to you.

Oct 10, 2009 | HP Pavilion dv4000 Notebook

5 Answers

MY GATEWAY LAPTOP NO LONGER RECEIVES POWER.


Motherboard or harddrive? I'm betting it's more towards the motherboard. The DC Power Jack to be more specific. This is the port where the AC adapter, (Charger), plug is plugged into.

The DC Power Jack is not much bigger, than the plug for the AC adapter that plugs into it. There are small pin leads that are on the bottom of this jack, and they go through the motherboard, and are soldered to the motherboard.

Accidental bumping of the AC adapter plug, while plugged into the DC Power Jack, can damage the jack. It can break the connections for the adapter plug, and/or can crack the solder joints for those small pin leads.

[Laptops use DC electricity. A flashlight battery, and a laptop battery, are examples of stored DC electricity. DC electricity has two poles. Positive and Negative. The DC Power Jack has two connections. Positive and Negative. {Even if the DC Power Jack has multiple holes in it]

There is also another known problem associated with DC Power Jacks. It may stem from a bad motherboard design.

More to the point, the area where the DC Power Jack mounts on the motherboard. In this design, the DC Power Jack motherboard area, is almost a separate part of the motherboard. It's shaped like a Peninsula. (Think of an island, with one side connected to the mainland)

This peninsula shape, has the tendency to crack away from the main body of the motherboard. Circuit traces are broken.

When the AC adapter plug is setting in a certain position, it presses the two broken halves of the circuit traces together, for a momentary contact. As the AC adapter plug is moved from this position, the circuit trace halves are moved apart, and there is no contact.

(No distribution of electricity from one circuit trace half, to the other circuit trace half. Think of a circuit trace as a very, thin, flat copper wire. When a circuit trace is broken, there is essentially a wire that is broken into two parts)

Solution?
See if the DC Power Jack can be repaired, (Solder joint connections re-soldered), or replaced.
If the DC Power Jack motherboard area is the aforementioned peninsula shape, it may require replacement of the motherboard.

There are very FEW, computer repair shops that have the technical expertise to replace a DC Power Jack. Easy fix is to simply replace the motherboard. (More $$$$$ too)

However, some laptops DO require replacement of the motherboard for this repair.
Bad motherboard design, for the DC Power Jack area on the motherboard.

Re-solder DC Power Jack solder joints? (IF, this is the problem) Average is $50 to $75 (US)
Replace DC Power Jack? Average is $125 to $150. (US)
Replace motherboard? Depends on the Gateway model. Could be $225 to $400 (US)

[Yes, most of the time the cost warrants just replacing the laptop itself, as the cost of replacing, is close to the repair cost)

Just to SHOW you ab average DC Power Jack, and the repair involved of replacing. (Doesn't show you, that the entire laptop needs to be disassembled, down to the bare motherboard in hand)

This is NOT a recommendation to replace the DC Power Jack yourself! It is just for knowledge of what is partially involved. (You can accidentally burn the motherboard when desoldering, or soldering, rendering the motherboard useless)

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

Sep 09, 2009 | Computers & Internet

1 Answer

Acer 5920g no power


Your DC Power Jack is bad, or the area of the motherboard where the DC power jack attaches to, is bad.

The DC Power Jack, is the small port where your AC adapter,(Charger), plugs into.
This is an example of an average DC Power Jack, for an HP Pavilion laptop, not installed in a laptop yet,
http://www.megaemarket.com/dc-power-jack-hp-pavilion-ze4200-zt117420011721182125.html
If you click on the photo it will enlarge.

The DC Power Jack in the photo is upside down, in relation to how it sits on your laptop's motherboard.
Those flat metal pins shown on top, go down through the motherboard, and are soldered on the other side.

1.Sometimes when the 'charger' plug is in the jack, and is bumped, it can crack the solder joints for the DC Power Jack's flat pins. This makes an intermittent contact. Eventually there is no contact at all.

2.Sometimes it's a bad design of the DC jack, and just from ordinary usage of the user plugging in the charger, and removing it, this can crack the solder joints.

3.Sometimes the small area of the motherboard where the DC power jack is mounted, can crack away from the main body of the motherboard.
To explain:
Crude example;
Envision a laptop's motherboard as having a 1 foot square shape. (It isn't. It's irregular shaped) Now on one side attach a 2 inch square. This 2 inch square, represents the area that the DC power jack is attached to. A 'Peninsula', if you will. There are circuit traces that go along a motherboard. Think of them as Very, flat, thin, strips of copper wire. These 'wires' become stretched, and break as the 'peninsula' cracks away from the main body of the motherboard.

Solution?
Have the DC Power Jack replaced, or the motherboard.
DC Power Jack cost? About $6 to $8 dollars.
Labor? $100 to $150.
The tech has to completely disassemble the laptop, to just the bare motherboard in hand. Then unsolder the DC power jack, resolder a new one in, and reassemble the laptop.
Motherboard cost? About $150 on up. Depends on where you obtain it. (Ebay?)
Labor? $100 to $200.

Jul 12, 2009 | Acer Computers & Internet

1 Answer

My hp pavilion dv2000 will not boot up. the


Could be the dc connector has come loose from the motherboard or broken away inside. Take the machine to a repair shop and have them check it.

Jun 09, 2009 | HP Pavilion dv2000t Notebook

2 Answers

Dell inspiron 6000 power supply shot...


There are no internal power supplies in laptops. What has most likely happened is as your laptop fell it either landed on the part of the power cord that was sticking out the back/side of the computer or the tension was so great on the plug from it falling that the power supply connector on the motherboard has broken loose from the motherboard. I have seen this happen a lot. This is not a job for an amatuer. It takes someone with knowledge of laptop repair and motherboard repair. In your best case scenarios either the little strip that contains the power button has popped loose and is not making contact (seen this happen in one case) or the power supply adapter (not part of the laptop) has been damaged and torn some wires. In the first case just try to push that power button strip down on the laptop first to see if it will snap back in place. If you can find someone else that has the same adapter you can ask to borrow theirs for a few minutes. Medium case scenario is that it has broken the solder loose and just needs to be resoldered or a new power plug soldered in. Worst case scenario is that it has cracked the motherboard, which will be expensive to fix (it would have to be replaced). Continuing to try and use it in this state (unless it is the best case scenario) will further damage the motherboard as the electricity will start jumping to places it should not go and eventually destroy the motherboard.

Mar 12, 2009 | Dell Inspiron 6000 Notebook

1 Answer

HP tx1009AU not booting up


I don't know HP's cost, of replacing this motherboard. A qualified, authorized, HP repair shop, will probably charge $300 to $400 dollars. To include the new motherboard, and labor to replace.

Too bad that you don't want to try it. A new motherboard may be $180 off of the internet.
Labor cost? 0 (But read on. This may not be advisable)

Quick search on Ebay for Pavilion tx1000 series motherboard,

http://computers.shop.ebay.com/items/?_nkw=hp+pavilion+tx1000&_sacat=60265&_trksid=p3286.m270.l1311&_odkw=&_osacat=60265

Your Pavilion tx1009AU, is part of the Pavilion tx1000 Series. All the same motherboards.

HP.com/Support and the PDF Maintenance and Service Guide, (It's a Service Manual. Don't let the
-> 'Guide' fool you!)

http://h10032.www1.hp.com/ctg/Manual/c00853874.pdf

Should the above direct link for the PDF Maintenance and Service Guide, not work for you,
here is HP.com/Support, and the download page for it,

http://h10025.www1.hp.com/ewfrf/wc/manualCategory?lc=en&dlc=en&cc=us&product=3350312&lang=en&

On this page, go down to the first manual listed ->
HP tx1000 Entertainment PC - Maintenance and Service Guide <- in blue. (Size: 3.48MB) Click on it.
You may not see anything happening. Give it 20 seconds at least, then the first page should pop up. Let it fully download before looking through it.

Tells you how to properly disassemble the laptop, and reassemble it. Gives you the part numbers, gives you the Specifications, and how to replace individual parts. Shows illustrations also.
Service Manual.

Just thought, I would pass this information on to you. Food for thought.

ONE more item!

The reason a LOT of laptops are being recalled, due to motherboard problems, stems from the DC Power Jack, and the way it's mounted to the motherboard. (Or having warranty work done)

The DC Power Jack, is that little round opening, where you plug the AC adapter, (Charger) into the laptop.
It is a small rectangular piece of plastic, that has a round metal sleeve in it, and a metal post in the middle.
This, is an example of an average DC Power Jack,
http://us.st12.yimg.com/us.st.yimg.com/I/yhst-42877593004970_2046_1336946

These jack's break. The middle pin can break in it's mount. Those flat metal pins you see sticking up, from the link above, go down into the motherboard. (The photo shows the jack upside down, in relation to how it sits on the motherboard)

These flat pins are soldered to the backside, of the motherboard. The solder joints can break.

For those laptops recalled due to a motherboard problem, it's due to the design of the motherboard, and how the DC Power Jack is attached.

Crude example:
Think of the laptop motherboard, as a 1 foot square. (As you can see, it isn't)
Now attach a 2 inch square to one side of this.
The 2 inch square is actually part of the motherboard. It looks like a 'Peninsula', sticking off of the main body of the motherboard.

Now attach the DC Power Jack, to this 2 inch square.

With the 'Charger' plugged into the laptop, the charger plug can get bumped. This can move the DC Power Jack enough, that the 'Peninsula' can break off, of the main body of the motherboard.

This 'Peninsula' can also break off, just due to everyday usage. Plugging the charger in, and taking it back out.

There are very flat, thin, copper strips on a motherboard, called 'Traces'. Think of them as very flat thin wires.
The traces, coming across the main body of the motherboard, to the 'Peninsula', can become stretched, and break.

This, results in No power coming from the 'Charger'. Nothing to charge the battery, nothing to keep the laptop working!

Bad motherboard design. Not the laptop manufacturers fault, (In this case HP), but the fault of the designer, that designed the motherboard.

So even if you do replace the motherboard, there's no guarantee this issue won't happen again.

Sorry this was so long and drawn out.

Jan 28, 2009 | HP 12 x 10/100Base-TX - 2 x Expansion Slot...

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