upgrade processor

My laptop have 988rPGA (idk why listed as 989rPGA in CPU-Z) socket. I already check the HM55 chipset capable to upgrade from i3 350M to i7 640M. I have already upgrade the similar laptop and it's going well. But this time it stuck at blank screen. The BIOS already updated to the last version...

I bought my Alienware X51 in 2013, and at the time it was excellent and top notch. Here are the specs: 16 GB RAM, 1TB HDD Intel i5-4460 CPU @ 3.20GHz NVIDIA GeForce GTX 750 Ti Windows 7 professional Please keep in mind that I am not tech-savvy. I had considered building my own PC back in 2013...

I just ordered a new Samsung 840 Evo and I'm very excited about it. However, my laptop's motherboard is only capable of running on Sata 2's 3gb/s speed, so it will be bottlenecking my ssd. (bummer) My question is, will running my ssd on rapid mode be pointless since my sata 2 will already be...