If possible connect my desktop (mac) with my MacBook Pro like secondary display with thunderbold

Question

I wnat to  connect my desktop (mac) with my MacBook Pro like secondary display with thunderbold (in the other side is working)

Answer 1

Hello edolillo,
It sounds like you are wanting to use your iMac as a secondary display for your MacBook Pro using a Thunderbolt cable. If your iMac is compatible, you may be able to use Target Display Mode, and this article outlines the requirements for it:
Target Display Mode: Frequently Asked Questions (FAQ)
http://support.apple.com/kb/ht3924
Target Display mode Requirements:
What are the requirements for TDM?
A Mac notebook or desktop with a Mini DisplayPort or ThunderBolt connection
A ThunderBolt or Mini DisplayPort cable 
A supported iMac with OS X 10.6.1 or later. The table below shows iMac computers that support TDM, the required cables, and the port of the computer to which you are connecting the iMac.
iMac Model
Cable Supported
Port on Source Computer
iMac (27-inch Late 2009)
Mini DisplayPort to Mini DisplayPort
Mini DisplayPort or Thunderbolt
iMac (27-inch Mid 2010)
Mini DisplayPort to Mini DisplayPort
Mini DisplayPort or Thunderbolt
iMac (21.5-inch, Mid 2011)
Thunderbolt to Thunderbolt
Thunderbolt
iMac (27-inch, Mid 2011)
Thunderbolt to Thunderbolt
Thunderbolt
iMac (21.5-inch, Late 2012)
Thunderbolt to Thunderbolt
Thunderbolt
iMac (27-inch, Late 2012)
Thunderbolt to Thunderbolt
Thunderbolt
If your iMac model is supported, there are steps in the article to help you get that set up.
Thank you for using Apple Support Communities.
Take care,
Sterling