MSI GT680 DC Power Jack burnt out

soooo basically i was havin problem with the laptop struggling to recognize when the charger was plugged in and i had to adjust it into position and make sure it didnt move for it to charge...then a few weeks back i smelt something burning and smoke came out of the fan area (which meant the dc jack had burnt out)...so i ordered a new dc power jack from USA and opened the laptop up and can i say its really poor arrangement of components by MSI cos i had to take out nearly everything to get access to the jack which was stuck to the motherboard, it should really have its own wiring and seperate area if it can be burnt like this (like my dads acer does, his dc jack burnt out too but it was completely separate wiring for it so it took him 15mins to sort it out)
aaanyways i did eventually get to the dc jack and tried to desolder it from the motherboard and it took me ages, maybe because of the solder used on the jack or maybe cos the soldering iron i had wasnt hot enough, either way i finally got it off and soldered the new jack into place and put everything back together and crossed my fingers before plugging the charger back in but there was a little spark so i took it out immediately, the circuit must have shorted somewhere or some of the components must have burnt out intially
now i've got a dilemma in what to do...i live in the UK so parts are hard to come by and i dont think im under warranty cos i've had the laptop for more then 2 years so any suggestion how i can proceed
P.S another guy had a similar problem which can be seen in the post below but no solution was posted at the end of it
https://forum-en.msi.com/index.php?topic=169720.0
thanks in advance

Quote from: darkhawk on 08-August-13, 09:40:42
I'll be perfectly honest with you.
Replace the motherboard.
Why? More than likely a FEW components have probably been damaged, most likely that you can't see. There might even be shorted traces inside the board at this point, or missing traces. So if you try to fix it, more than likely it will go up in smoke again, and possibly even worse this time.
any idea where i can get a motherboard for MSI GT680 (preferably in uk somewhere)

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Quote from: darkhawk on 02-October-13, 20:04:01
It does kind of sound like the battery is bad, or else some of the electronics around the battery are.
As far as the BIOS, the 'Win8' and 'Non-Win8' bio's are only in regards to what OS ORIGINALLY came installed on the system. The GT68X series weren't being sold with Windows 8 pre-installed I believe. I would just install the Non-Win8 BIOS's as it shouldn't make any difference for your system.
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bpjones wrote:
Hi guys,
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