![]() ![]() One interesting aspect of the problems is the display has a ridiculous “no signal” timeout of around 10 seconds. I should note that it had a very similar problem when connected to my 2018 Mac mini, where it was connected using a USB-C to DisplayPort cable. Mine is a 27 UK so possibly an earlier version of the UL? In short, don’t believe an M1 MacBook Pro when it comes to anything plugged into it. I’ve also had frustrating problems with my LG monitor where the MBP will detect it, remove the menu bar from the internal display, along with the windows on it, but fail to display anything other than black on the LG. I decided to shut down the MBP, which then sent me into a boot nightmare and when I eventually got out of that, both drives were perfectly fine. The APFS container (it is used as a Time Machine drive) was greyed out and flashing randomly and very fast, like a cable wasn’t seated properly. The WD My Passport HDD was showing in Disk Utility, but in a very weird way. ![]() I plugged it directly into the MBP and it was still not visible. ![]() The Samsung T5 SSD was simply not visible. So I went to Disk Utility, where oddness greeted me. One day recently I noticed both of the hard drives plugged into my OWC USB-C Dock were not mounted in Finder. I have had some weird behaviour with my 2020 M1 MacBook Pro when it comes to stuff plugged into it. I can’t say that Disk Utility will do it all, but it provides a good starting point. If this matters for your work, pull things off the external drive / USB stick in chunks as you need.įinally, run hardware diagnostic checks on the old hard drives before you put them into use. The USB C bus on a 2020 machine is fast but not solid state fast. You will feel a sense of achievement when you do not have to wait to transfer everything from the 2011 to start using it because you still have to sort out the file system that you never had. But redundant and reliable.Īt this point, you can safely wipe the 2011 and do a clean OS install. Should you inadvertently destroy something on the 2011 machine, you are not dead in the water.Īlso get a CD/DVD drive and burn the contents. Put a big red sticker on that hard drive or USB stick that says READ ONLY. ASAP do a full backup of the 2011 drive to a separate external HD and/or a sufficiently large USB stick. ![]()
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