A cold start from the laptop under Windows7 now takes only 19 seconds. Installation was no problem, everything worked right away. Because SSD drives to normal HDs have a lower write-erase life, some Windows settings should be modified to extend the life of the SSD. Google search for "SSD Festplatten_ To extend the lifetime - Guide Hardware - Networking - PC World" Keywords: off defragmentation, stop search index, shadow copies, no hibernation (TRIM was already selected).