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Type: Posts; User: kitjv26

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    Indeed it is!

    Indeed it is!
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    Thank you for the heads-up! Will follow through.

    Thank you for the heads-up! Will follow through.
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    I think that I concur with krs regarding finding...

    I think that I concur with krs regarding finding a cable that is compatible with both my iMac & Catalina. The idea of rebooting the external display & waiting until it decides to return to life is...
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    Yes, there is a separate box on the iMac & the...

    Yes, there is a separate box on the iMac & the external display. And on the Arrangement tab, both displays are indicated.

    - - - Updated - - -



    Under Graphics/Displays, both displays are...
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    Here is a compendious run-down of this issue. I...

    Here is a compendious run-down of this issue. I had used the NEC external display with my iMac (and the same cable) since 2017. Never a problem. Immediately after upgrading to Catalina, the iMac...
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    Yes, that is something that I have learned since...

    Yes, that is something that I have learned since dealing with this issue.
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    Thank you for noting the compatibility reference....

    Thank you for noting the compatibility reference. I totally missed it.

    That link that I sent to you was for the second cable, so to speak. The original cable is from the same manufacturer & looks...
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    I apologize for any confusion from not being more...

    I apologize for any confusion from not being more specific. Yes, I should have specified that the port on the iMac is a USB-C.

    As for the cable, it is indeed a cable; not an adapter. The Belinda...
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    krs, Unfortunately, my backup drive also has...

    krs,

    Unfortunately, my backup drive also has Catalina installed. Neither of my other Macs have USB-C ports, so I cannot try the 2 cables on those machines. However, I did connect the external...
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    Yes, I do have a bootable external drive. But...

    Yes, I do have a bootable external drive. But could you please give me a bit more explanation of your reasoning? Thank you.

    BTW, I erred when I said that the display did not have another input...
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    Unfortunately not. Although the cable itself...

    Unfortunately not. Although the cable itself might be the issue. I cannot ignore the fact that the present cable performed flawlessly for years; that is, until I upgraded to Catalina.
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    Thank you for the heads-up. Much appreciated.

    Thank you for the heads-up. Much appreciated.
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    krs, thank you for the response. Both of the...

    krs, thank you for the response. Both of the cables that I tried were Belinda brand. I have heard elsewhere that these cables have a possible history of issues. Maybe it's time to try another (more...
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    Yes, the cable/monitor was connected during the...

    Yes, the cable/monitor was connected during the upgrade. Unfortunately I cannot try the cables on another computer since my iMac27 is the only computer I have with Thunderbolt ports.

    The fact...
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    I believe that the monitor also has a display...

    I believe that the monitor also has a display port. However, I have been using the DVI port for 10 years without an issue; that is, until upgrading to Catalina. Yes, I have tried resetting the NVRAM...
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    Curious Cable Question

    Since upgrading to Catalina, I have been trying to resolve an issue of the screen on my secondary display "going black" after a computer restart or the display being disconnected from the computer....
  17. Thanks, Ian. I was not aware of that. I will...

    Thanks, Ian. I was not aware of that. I will restart & see if that resolves the issue. Thank you!
  18. I did an "upgrade in place"; not a clean install....

    I did an "upgrade in place"; not a clean install. Also, I might add that unchecking Enable Power Nap did not resolve the problem.
  19. Thanks, Ian & Patrick. Although I have "Wake for...

    Thanks, Ian & Patrick. Although I have "Wake for Network Access" checked, I suspect that this is not the culprit since no file sharing is occurring when the Mac decides to wake up. Still, Patrick's...
  20. iMac Automatically Awakens From Sleep!

    Since I installed Catalina, my iMac seems to awaken itself from Sleep mode. Has anyone else noticed this? Is there a setting in Catalina that needs to be reconfigured?

    Thank you kindly.

    Kit
  21. Sometimes the Mac gods work in mysterious ways....

    Sometimes the Mac gods work in mysterious ways. Having disconnected the external display from my iMac as I searched for a cable to connect it to my MacBook Pro, the display remained disconnected for...
  22. No, the cable was still connected. Should I to...

    No, the cable was still connected. Should I to the resets again with the cable disconnected & then reconnect?
  23. Interestingly, I deleted my GMail account & then...

    Interestingly, I deleted my GMail account & then added it back. So far the issue of deleted emails reappearing in my inbox has not occurred. Fingers crossed.
  24. Yes, the display was indeed connected to the iMac...

    Yes, the display was indeed connected to the iMac when I did the upgrade. I reset the SMC & NVRAM several times with no luck. . Thanks for the suggestion. I am currently working with a senior advisor...
  25. I will try the VGA input on the NEC. I will have...

    I will try the VGA input on the NEC. I will have to get a cable first. I do have a backup external drive which I tried using as my startup drive since Mojave is still mounted as the OS. I was...
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