DV4 1275 Power Issue, Battery not charging, Will not Power with AC only

HP Pavillion DV4-1275mx
Battery will not charge, Laptop will not fully turn on with battery in (battery not charging at all). Laptop will not power on at all with no battery using only AC and with battery it will attempt to load and die due to lack of charge.
Have tried 3 diff HP chargers.
The orginial 1 that came with the laptop is dead and will not charge anything. Tried it on a diff HP laptop and not recognizing any power
The 2nd one is OE HP laptop diff model but same wattage that came with my gfs work laptop. I have charge my laptop with it before in the past however it is not charging the battery now either
The 3rd is a aftermarket generic one that my g/f bought in the airport and it works with hers as well however I have never used it on mine.
I have tried hard resetting.. taking out battery, holding power for a min and replugging everything.
Also when I remove the battery and plug in either of the chargers that do work the power LED are "not" lighting up on the front or the LED where the AC plugs into the laptop. Which makes you think the charger is bad however the 2 working chargers do work on my other 2 HP laptops.
If i plugin one of the 2 working chargers with the battery it will go through the boot process and as its starting windows it just dies and shuts off. The power led by the DC jack does light up and the charging light on the front lights up. However this only works when I unplug the battery and plug the AC charger in. After the laptop boots up to starting windows and dies. I have to remove the battery and replace it to get the LEDS to light back up.. If the MB was bad I wouldnt think any of the LED's would come on nor would the laptop boot up to the starting windows. If keep trying to turn it on the booting time is shortened as the battery is not holding a charge and sometimes it only makes a few seconds and then just dies out.
I dont have alot of money to spend so I was hoping maybe you could point me in the right direction.
Should I buy the replacement part OE charger for my specific laptop? (not sure if its going to be much diff than the others since they are all 65 watt chargers)
Should I buy a new battery as well?
Or does this sound like a short problem in the mother board or a solder issue with the DC plugin?
If it is an issue with the motherboard I do not want to go through the hassle of buying the battery and charger as I will end up having to just replace the laptop
If you could please advise me what direction to go I would be so greatful.

Dude, I have the same exact problem with mine. It's not a cheap fix either. It definitely is the motherboard.
I'm no expert, but I believe the problem is a dead capacitor on the motherboard preventing it to build up a charge.
I spoke with an HP rep, which told me it's $398 for them to fix.
I let them know that I didn't have another $400 to put into this laptop. So, they suggested I try reseating the motherboard. And also reseating the memory modules.
http://h10032.www1.hp.com/ctg/Manual/c01597750.pdf
That is a pdf of the laptop's manual. It'll help in reseating. Page ( 59 ) for the motherboard. Page ( 67 ) for the memory modules.
This hasn't helped at all with mine, but maybe it'll help with yours!

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DV4 1275 Power Issue, Battery not charging, Will not Power with AC only

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