Dell Studiuo 1555 upgrade to 1558 mainboard and i7 cpu

Hi all guys. I should repair my old laptop to a new mainboard, cpu and ram.
Studio 1558 mainboard should perfectly fit my 1555 laptop, can someone confirm what is the exact mainboard code to install an i7 740QM cpu? CN-04DKNR mainboard is the right one?

Edit: found and ordered a combo mainboard+cpu+heatsink tested from China for a decent price

Thank you!

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Keep us up to date on your progress. what was the difference in specs of your original and your new one?

 

Hi! I've finally received the mainboard+cpu+heatsink bundle and I've installed everything on my laptop with a clean windows 7 setup.
This bundle arrived with near zero presence of thermal paste.... No problem I cleaned and used IC 24Carat and Gelid GP Extreme pad (for vga memory).
The mainboard is running well but one connector is damaged and completely lacks the touchpad connector! I should find and solder a new one.....
I can't remember what was installed on my original Studio 1555 I'll post the exact specs in a couple of days



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