"No input signal" block

[philip]

Run Color sync utility in your utilities folder. verify and repair. This might be a hardware issue.

[RichMorin]

Originally Posted by philip

Run Color sync utility in your utilities folder. verify and repair. This might be a hardware issue.

Thanks for the suggestion. The utility didn't find any problems, but the monitor was confused for some reason. I was able to resolve this by doing a factory reset on the monitor.