Dv2000 (2745se) Will Not Power On

I purchased my laptop in April of 2008 and have been pretty satisfied although I have read many scary stories on issues other customers have had. Last year (March 2011) right before my extended warrenty was up I had to have my LCD screen replaced because of sporadic display issues (the backlight was always on but the screen would go in and out of display at uneven intervals).
Yesterday I noticed that pressing the power button (as well as the quick launch button) would not turn on my computer at all (no lights, no sounds, acts like the battery is dead/disconnected). It doesn't seem to be a battery issue because it is plugged in and I found that the battery was properly charged. After 4 or 5 times of pressing the power button, it finally turned on. I hibernated my computer (I usually do this instead of a total shut down) and when I got hom from work, I faced the same problem again. None of the buttons that should normally power up my computer worked, until I pressed the power button for the 10th time. The blue LED does indeed light up when plugged in so I know 100% that the battery is properly charging. I normally backup all my files once a month but once I was able to get it to power up. I took the time to update my backups last night because I am afraid the time is coming where it won't turn on at all. I'm deathly afraid of turning my computer off at this point and only "logged off" because I prefer keeping my computer password protected when I am not at home (I have had 2 laptops stolen while attending college).
I'm not sure what the problem is because pressing the power button yields random results. Has anyone faced this issue? Any help would be greatly appriciated.

Please make a Genius Appointment and take it in for service.

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Hi,
jayman9782 wrote:
I have an HP Pavilion DV6700 that will not power on. I know it is not the power supply because I purchased a new one recently. I have also attempted to power on my PC with a power supply to another, similar Pavilion.   I also recently purchased and installed a USB/power board connector under the impression that it was it was. This did not work so, to test the new power board, I tore apart the other laptop (which is also dead at this point for what we thought was the same reason) and put the board in it. It yielded the same results...nothing happened. So here are the possibilities that i can see...
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   2. Both laptop motherboards are bad.
   3. Both power supplies are bad.
My question is, are there ways to test the power boards with a multimeter to determine if it's bad? Are there ways to test the motherboard?
Thanks in advance,
Jay
In your list: the chances of number 2 or number three are quite unlikely.
Solder type power jack replaced
Check for cold solder joints. Solder joints should be bright,not dull colored.
Did you try a hard reset before you started opening the laptop?
Always try to reset firmware (BIOS) before beginning any disassembly for a no-start condition.
Remove the battery and unplug the DC power adapter.
press and hold the power button for more than fifteen seconds.
plug in the DC power adapter (leave the battery out for now)
press the power button
Best regards,
erico
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Hello, I need some help.
I have a HP DM3-1130us Laptop that will not power on at all.
the only thing that happens when I plug it in is the power jack lights up.
When the power button is used absolutely nothing happens.
No power, no fans, no leds, no on/off cycles, no beebs, absolutely nothing
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I have tried with different hard drive and no hard drive and nothing.
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If feels fine, its not loose or anything but could it
have just stopped working? for those who are not familiar with this model.
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Its also on the same board with the Wifi button and 2 Usb ports.
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just not post?
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If anyone can provide any information I would appreciate it.
Thank you.

Hey Tyler,
Unfortunately it is difficult to troubleshoot this type of issue. The majority of the time when the computer wont power on with the same symptoms you described, the power supply board is faulty. Most of the time if the motherboard is bad it should at least turn on or so some signs of life. Like I said, this is most of the time. Sometimes it could do exactly what your experiencing. I would suspect the power supply board has failed since you are not receiving any sort of lights, sounds, etc.
You could check the motherboard for swollen capacitors or loose solder joints but sometimes you wont be able to find anything.
I hope this helps answers your questions,
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Well, I've had the problem for a while and was just looking around to see if anyone has had any success stories.
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Dv2000 (2745se) Will Not Power On

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