My new 13" MacBook Pro rarely recognizes a third-party display. The display works fine with a PC. It is connected via a third-party Thunderbolt/VGA adapter. Worked beautifully the first time. Now I get a "no signal" on the monitor. MacBook partially freezes. Tried rebooting, etc. No luck.
closed as unclear what you're asking by bmike♦ Oct 22 '15 at 16:23
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