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Every single morning I come into the office, wake my Mac mini from sleep and one of the monitors in my (non-Apple) dual screen setup is not recognised.
Sometimes putting the machine to sleep and then waking it again resolves the issues, sometimes a full reboot is required, very occasionally I have to unplug and re-plug the cables along with a reboot. It's never the same monitor nor the same port, I've tried different cables and that didn't change anything.
Dom
cornelius_blackfoot
quick query, I have a lovely two cinema monitor setup going with my mac pro.
Every so often one of the monitors goes black, it happened to me last night. One monitor goes in via a full size DVI connection, the other goes in via an adaptor to mini dvi.
Both monitors work through the dvi connector, when swapped over as I always think when it happens that the black one has gone up in smoke.
Resetting the PRAM does nothing, and it only came back when I took out the usb connectors for both monitors, restarted and then plugged them back in, both monitors came back.
If anyone has had something similar happen, or has an idea about why one monitor when working normally goes dark, it would be appreciated...