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Two Thunderbolts not displaying simultaneously

273 Views 1 Reply Latest reply: Mar 5, 2012 8:14 AM by bontistic RSS
uazip94 Calculating status...
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Feb 27, 2012 6:57 AM

I purchased 2 Thunderbolt displays on Friday and have not been able to get both displays working at the same time.

 

 

SET UP: Two (2) Thunderbolt displays from a Macbook Pro 17" that also runs Windows 7 through Parallels running OS X 10.6.8.

 

  • Displays are daisy chained correctly but only one is detected. Went through System Preferences > Display and it only shows laptop and Thunderbolt #1. Tried "detecting" and nothing happens
  • Both displays work just not simultaneously. Apple support had me reset. When I did the second display was detected and the primary was not -- they switched.
  • Ethernet connection through display will only work in Parallels/Windows -- internet will not connect in Firefox or Safari on the Mac side. Firefox/Safari will connect when straight through the laptop but I am prompted for network ID (typical for me because of our firewall and me being the only Mac on a PC network)
  • When clamshell is closed only the primary display works
  • I updated everything and still no change

     

     

    Any insight would be greatly appreciated. I would hate to have to take one or both back because they won't work just as advertised.

  • I was on the phone with Apple support for over an hour and have no resolution
MacBook Pro, Mac OS X (10.5.8)

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