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- Feb 6, 2021
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Back in February of last year, I had an issue with my Mac Pro tower (Mid-2010/Nehalem) where pressing the Option key at startup didn't bring up the system picker. After some suggestions from Cory, I found that replacing the battery solved my issue, even though I wasn't having any wonky date & time issues. Now, a year and a half later, the problem is back, and replacing the battery is not fixing it. Original thread here:
https://www.mac-help.com/threads/option-key-startup-doesnt-work-missing-hard-drive.227646/
In short, I have 2 systems I use on my Mac, Sierra and Snow Leopard. The Snow Leopard drive has a handful of old programs I use for business, and I only use that system to run those applications and accomplish a task, then return to Sierra for everything else. When switching systems, I restart holding the Option key, the screen goes gray but my drives are not displayed and I have to hit the power button to shutdown. When in Snow Leopard, my Sierra drive is not displayed in the Startup Disk preferences, so I have no way back to Sierra.
I also have a partition with Lion on it and it shows in Startup Disk preferences, but when in Lion or Snow Leopard, Sierra is not displayed in Startup preferences.
The Sierra drive is on the desktop and all my files are accessible, I just can't start up with it...
Disk Utility says all my drives are good, as does DriveDX, though it appears one of my storage drives is getting old and should be replaced soon. I tested the battery I pulled out at 3.06 volts, ie, still really new and charged.
One other item that I don't think is related, my graphics card failed (Radeon HD 5770) several months ago. The two Mini Display ports failed, killing my 2-monitor setup, and now I'm on one monitor in the DVI port. I can't remember when that happened and I don't think it is related, but just throwing that out there...
Soooo... any ideas?
https://www.mac-help.com/threads/option-key-startup-doesnt-work-missing-hard-drive.227646/
In short, I have 2 systems I use on my Mac, Sierra and Snow Leopard. The Snow Leopard drive has a handful of old programs I use for business, and I only use that system to run those applications and accomplish a task, then return to Sierra for everything else. When switching systems, I restart holding the Option key, the screen goes gray but my drives are not displayed and I have to hit the power button to shutdown. When in Snow Leopard, my Sierra drive is not displayed in the Startup Disk preferences, so I have no way back to Sierra.
I also have a partition with Lion on it and it shows in Startup Disk preferences, but when in Lion or Snow Leopard, Sierra is not displayed in Startup preferences.
The Sierra drive is on the desktop and all my files are accessible, I just can't start up with it...
Disk Utility says all my drives are good, as does DriveDX, though it appears one of my storage drives is getting old and should be replaced soon. I tested the battery I pulled out at 3.06 volts, ie, still really new and charged.
One other item that I don't think is related, my graphics card failed (Radeon HD 5770) several months ago. The two Mini Display ports failed, killing my 2-monitor setup, and now I'm on one monitor in the DVI port. I can't remember when that happened and I don't think it is related, but just throwing that out there...
Soooo... any ideas?