Hi I have Macbook pro 2010mid 17inch i5 . I am getting problem from some time its stuck on boot and no shutdown. So i decide to upgrade to Ssd .from hdd. So i put a 120 gb Kingston ssd. And install mac sierra 10.12 after some days again same problem and older problem is that show the lines on boot display . So i leave for 10 min and start again its boot normally but now its not boot and restart half loading..... Please help me.