Question about HP Pavilion DV2940SE Notebook

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I have a HP dv2940se notebook, I can't power up the unit. I was told the motherboard is bad and want to replace it..

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  • Jerry Umali May 12, 2010

    hello Tan, hi, can you tell me the symptoms, led activity, noise you hear as you power on the PC, so I could diagnose it.

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  • 1,768 Answers

1. you will have to contact the manufacturer for a replacement board to get the correct OEM replacement.
2. Contact HP tech support.
I read where you may have a defective battery. There was a recall on some laptop batteries.
3. Go to http://welcome.hp.com/country/us/en/support.html

Posted on May 12, 2010

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Posted on Jan 02, 2017

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1. Take the battery out of the laptop & try to turn on the laptop using power adapter only. If the computer turns on, then the battery is defective & needs to be replaced.
2. Make sure the power adapter is not defective. Test the output voltage of the power adapter using a voltmeter. Compare the voltmeter reading to the nominal value written on the adapter or the laptop.
3. Make sure the DC jack is not loose or broken. A loose DC jack will need to be re-soldered. A broken one will need to be replaced.
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How to replace motherboard on a hp pavilion laptop


You'll find the maint & service guide at this site http://h10025.www1.hp.com/ewfrf/wc/manualCategory?cc=us&dlc=en&product=3747185&lc=en&jumpid=reg_R1002_USEN

Download the HP Pavilion dv2500 and dv2700 Notebook PC - Maintenance and Service Guide 5mb it has everything you need there.

Jul 02, 2010 | HP Pavilion DV2940SE Notebook

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The screen at the laptop dosn't light up, but the power light is on. i can hear the laptop is on.


Hp Told Me The Motherboard Is Bad.If It Is Warrenty Great,If Not How About 259.00.Buy An Acer!!!!!!!!!!!

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Black screen 4 beeps at start up


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On then off.


visit hp.com. they have had a big issue with many of their models. you may be entitled to use the enhancement warranty for bad motherboards. but your issue is the motherboard. below is their link. i had a unit replaced because of this issue, but hp has dropped many units from their list after the 24month period. one of mine is not on there anymore. but dont hurt to try

http://h10025.www1.hp.com/ewfrf/wc/document?docname=c01087277&lc=en&cc=us

goodluck

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Whether or not the motherboard is smoked depends upon what happened to cause the power jack to get broken in the first place. I know that if sent to HP, they would not spend any time attempting to fix the jack, they would replace the motherboard. If the jack has come loose from the board without damaging the traces, it is possible to repair this quite simply. That assumes that you bring the unit to a shop that regularly repairs surface mounted boards. DO NOT ATTEMPT TO REPAIR THIS YOURSELF.

Sorry about the capital letters, but it is important to note that an improper repair attempt can completely ruin the motherboard.

Please update this with your location and I will try to find a servicer in your area.

Dan

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Time to take it to the repair shop.

I've seen instances where the thermal control unit goes bad and causes a similar problem.

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