OK - you're asking a lot of "no details provided" questions, none of which make any sense without said details. For example:
Most of us don't pretend to have a crystal ball in front of us - an those who act like they do are fools anyhow - so you need to lay it out for us if you actually want our help.
Slow startup - what have I done?
To build on kaninelupus' reply:
You have a potential insufficiency of RAM and/or.
You are loading too much unecessary guff at startup and/or
Something was loaded at startup that is grabbing resources.
So, please answer all of kaninelupus' questions and provide a list of software loaded at startup.