I've had this issue before. I have a clean install of WIndows 2019 Server on a HP Proliant Gen8 Microserver.
I installed it with just a SSD.
I then powered it off and added a HDD which is GPT and NTFS formatted with data on it. But it won't boot afterwards and gives error:
"Non-system disk or...
Hi,
My 1Tb non-system disk has been giving trouble recently, so I bought a 2Tb replacement, fitted it, Robocopied the files I wanted over, took the old drive out and rebooted.
What happened was a Windows 7 OS recovery was attempted and failed. I couldn't boot the computer.
I installed...
bios
boot disk
computer issues
data migration
disk replacement
file transfer
formatting
non-systemdisk
operating systems
partitioning
recovery
system disk
technology
troubleshooting
user directories
windows 7
windows 8
I have an old Macbook Pro that dual boots OSX Lion and Windows 7.
Suddenly now if I try and boot Windows, I get this message: Non-System Disk. Press Any Key To Reboot
I can't actually insert my Windows 7 disk because my cd drive is broken and at the moment I don't have an external disk drive...