Answer to: Why doesn't my laptop start up?Take your computer to a store, let the professionals to do the trick.
Answer to: waht is the type of ssdYou can google it. That is more easy that you ask and wait.
Answer to: How do I retrieve my Photos and Contacts from my Locked iPhone?Since your phone is locked, it is very hard to recover your data back. You need to unlock your phone first. Maybe you can try go to a store, ask the professionals to do the trick.