Question about HP Pavilion dv1000 Notebook

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DV1000 Motherboard repair

Hi,

I noticed in June of this year that you posted on Fixya with a problem on your DV1000 motherboard. You stated that you found a short on PD28, and were going to post your progress in repairing it. Were you successful in getting the motherboard running again?

I have a DV1000 motherboard that is also dead. I found a bad PQ154 that I replaced, and it is still dead so I'm investigating other issues. I just found from your post that PD28 might also be bad, and mine measures 9ohms in either direction, I'll look at replacing this part but I'm curious to know what solved your problem.

Thanks, Ivan

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  • denmer Dec 15, 2008

    My hp pavillion dv 1000 just went dead a friend and opened it up it began to run but sa soon we closed it up it went dead again we are sure its not the batteries or the charger we tested these

  • iblackford Dec 17, 2008

    A common problem on this motherboard is a failed PQ154, a SI4800B FET. I had this problem on mine (would not turn on, no LED's, nothing). I checked PQ154 and it was bad, but also, the driver for this FET, PU4, could also be bad. It's a MAXIM MAX1999. I bought both from Digikey and replacing them solved my problem. You should replace both PQ154 and PU4 at the same time.

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Best place I've found to fix 3 dv1000's is the Compaq and HP Notebook Forum - Unofficial forum for the Compaq and HP Notebooks/Laptops and if you know how to read schematics then you can download one here.

Posted on Oct 25, 2012

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You have to look for a bad connection on MB. You have a broken trace from openning and closing. You need micro-soldering iron to fix it.

Posted on Dec 17, 2008

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HP Pavilion Laptop -- massive power problems?


hello chad
Seem to be circuit issue.
You can check charger with volt meter to check its working ok.

Drain all resistors of power by removing battery and charger and holding down power button for 10 seconds.

There is a power button board that can be bad.

I like to break things down by just powering the laptop with memory and keyboard, power button board only. this will require removing motherboard power button board so it will only be the parts to POST.
Minimal Post .
It can be an array of things from the systems casing shorting it out to other hardware.

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Looking for a repair manual. Power jack appears


This is HP Support, and the Service Manual download page for the Compaq Presario V2000 series Notebook PC's,

http://h10025.www1.hp.com/ewfrf/wc/manualCategory?lc=en&dlc=en&cc=us&lang=en&product=500508&

Left-click on, Compaq Presario V2000 Notebook PC, HP Pavilion dv1000 Notebook PC, HP Compaq nx4800 Notebook PC - Maintenance and Service Guide.

Page 166, or Section 5.20 details System Board (Motherboard) removal.
(Section 5.4 starts on Page 117)

One example of a place to buy another DC Power Jack,

http://www.dcpowerjacks.net/catalog/product_info.php?cPath=3_4&products_id=121

Information that may help you in replacing the jack,

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

I do this procedure quite a lot. If you find you need guidance, simply state so in a Comment.

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Update CPU in HP Laptop


It is impossible to upgrade a CPU for a laptop.
That is the bad side of laptops, you are stuck with the same processor which can not be upgraded

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I want the replacement motherboard part number


The part number you posted on the FixYa site is correct for a replacement board. It is actually designed for the DV1300 series but will work iin many DV1000 series notebooks. If you get on E-Bay and put that part number in the search box, you will find many that are for sale and under 120 bucks. Good luck

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This is common problem. To get to that you'll have to take everything apart including motherboard. It's part of the top case. You'll have to bend it up for it to work or completely disable it permanently.

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My driver is not reading the xd card from my camera. i can see the driver has ben damaged-perhap because of the insertions...is this repairable?


you mean card reader is damaged?
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Power issues on HP DV1000


It is possible you have two dud batteries. Recharageable batteries have a limited life, they have a finite number of charge and discharge cycles.
With the battery removed and only the power supply connected and the laptop powered up, when you touch the connector on the laptop and the laptop does not shut down then the laptop connector is OK.

If you can verify your new battery is OK the the fault could be the power supply adapter, if may not produce enought current to run and charge the battery. Try charging the battery overnight by turning off the laptop and leaving on the mains t charge. Borrow a mains adapter and test it on your computer.

You can also check the BIOS setting for power management, ie. hibernate, low power shut down etc.


Dec 03, 2008 | HP Pavilion dv1000 Notebook

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