Flashing screen 15" MacBook Pro El Capitan

[daoist]

I’m accessing a 15″ MacBook Pro running El Capitan from a 13″ MacBook Air. While I’m connected the local 15″ display flashes “like a lightning storm” or “strobe light” (my wife’s words). Everything works fine, but I’m worried the display could be damaged? Is there anything I can do? Should I be worried?

[fra81]

This problem could be related to the screen blanking feature. Please try to uncheck the ‘Lock the physical screen when somebody connects’ option in the Connection preferences menu, Security tab. You can access the menu from the tray icon on the machine where you connect to.

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