If you have a black screen when you turn it on displaying press F2 to set date and time, please press F2, the date and time will be greyed out and you will not be able to update it, so press F10 to save and exit, then press OK. You should now be auto logged in.
If you are presented with a login box please type the following in the ID Box .\localuser
Leave the password box blank and press enter you should now be logged in.
If the login box doesn't appear then click "ok" on the message or "Other user" in the bottom left. Then follow the above steps