[SOLVED] Weird interaction with SDD and HDD

Mockingjason

Commendable
May 22, 2019
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Hello. After accidentally deleting all of my Hard Drive's Partitions through the Windows OS Installer, I haven't been able to even see my HDD recocnized at all. Since it was an almost empty drive, I didn't really care about it, until now. So here's where things get weird. Whenever I unplug my HDD's SATA Cable from the Motherboard, my System will not be able to boot from my SSD, even though it recognizes it. I get a message reading: "Reboot and Select proper Boot device". If I plug the SATA Cable back in, it boots up like normal, but I still can not see my HDD.
Notes: Ny SSD is an NVMe M.2 Drive.
If I unplug the SATA cable while my computer is still running, everything works normally until I restart my system, which then greets me with the "select proper boot device" message.
Any clue on what is going on?
 
What about it?
That small 100MB EFI system partition on HDD is bootloader.
Without it your system is unbootable.

If you disconnect HDD, bootloader is not available anymore and you can't boot into windows.

Note - do not connect/disconnect internal storage devices, while system is on. That can only be done with removable devices and you have to remove them safely first.
 
Reactions: rgd1101
What about it?
That small 100MB EFI system partition on HDD is bootloader.
Without it your system is unbootable.

If you disconnect HDD, bootloader is not available anymore and you can't boot into windows.

Note - do not connect/disconnect internal storage devices, while system is on. That can only be done with removable devices and you have to remove them safely first.
 
Reactions: rgd1101

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