I migrated my OS install from the hard drive to the SSD about 5 months ago. Everything worked well. Then when I went to boot up my PC one day, while starting Windows would hit a BSOD and restart ...

However, if I put a bootable CD or DVD in my optical drive (it doesn't matter what it is), wait until it asks me if I want to boot from CD, and then <I>do nothing</I>, it proceeds to the normal disk ...