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Hi, I have a macbook pro connected to a HP 2009 v monitor, which up until recently has been working fine. I've now got a message on the monitor saying 'Input signal out of range, change settings to 1600x900 - 60Hz'. I've tried changing the display settings in system preferences and changing the display isn't working, even when I try changing it in safe mode. How do I fix this?
MacBook Pro (2020 and later)
Hello em1279,
Thanks for posting in Apple Support Communities!
We see that you are unexpectedly getting an error message on your external HP monitor.
We’d be happy to help you!
You can follow any steps that you haven’t already in If your external display isn't detected or appears blurry on your Mac.
You can also follow the steps in How to reset the SMC of your Mac.
Take care.
Hello em1279,
Thanks for posting in Apple Support Communities!
We see that you are unexpectedly getting an error message on your external HP monitor.
We’d be happy to help you!
You can follow any steps that you haven’t already in If your external display isn't detected or appears blurry on your Mac.
You can also follow the steps in How to reset the SMC of your Mac.
Take care.
second monitor 'input signal out of range'
