Desktop

[trevorcork]

When i switch on my mac book air my desktop is blank screen any ideas

 

[Newtons Apple]

When i switch on my mac book air my desktop is blank screen any ideas

What do you mean blank. Are you saying nothing is on the screen or the desktop comes up with nothing on it?

 

[maflynn]

Also what version of OS X are you running?

For giggles did you try resetting the SMC or zapping the PRAM?

 

[trevorcork]

it lets me login but then its blank just all white

 

[Command]

No dock or menu bar at all?

Try Safe Mode - https://support.apple.com/en-us/HT201262
(in a nutshell, start it up holding down the left SHIFT key...)