Question Windows not booting

[Turnichok]

Hi,
I have a problem to boot into windows 11, when I startup pc it shows “reboot and select proper boot device or insert boot media in selected boot device and press a key”

So I bought used ssd, it’s working properly, I did secure erased it in bios. I installed windows 11 on it, using windows installation iso file by doing partition on hdd while using windows 10 which I have installed on my older ssd. Then when I plug old ssd and hdd out from system and turn pc on it says to insert a disk with system on it.
Then when I plug old ssd and hdd again into system I can apparently choose to boot windows 11 which is installed on new ssd (so it works properly), but without those it can’t get to windows 11

Also i can see the new ssd in bios both in information and boot. But all i see is name and how much gb. It doesn’t say windows boot manager or uefi os for it (those options I see only when I plug old ssd and hdd)

So if I plug both new ssd and old ssd and hdd and can chose which system to boot, and do boot new installed windows 11 on new ssd I can use it and all sys files can be seen on new ssd (disk C:/)

What can I do to make it boot windows 11 on new ssd without using old ssd and hdd. I tried to turn CSM and fast boot off in bios but it only hides boot option for new ssd. Also tried to boot into new ssd from bios, same problem.

 

[Lutfij]

I installed windows 11 on it, using windows installation iso file by doing partition on hdd while using windows 10 which I have installed on my older ssd. Then when I plug old ssd and hdd out from system and turn pc on it says to insert a disk with system on it.
You're advised to disconnect all drives from the system except the one you wish to install the OS onto, installing the OS in offline mode(after you've recreated your bootable USB installer for the OS).

OCZ's Agility SSD is from way back in the day, I think it's on it's way out. Another observation, you have BIOS updates pending for your motherboard.

 

[USAFRet]

What can I do to make it boot windows 11 on new ssd without using old ssd and hdd.

Physically disconnect ALL drives except for this new one.
Do a clean install of the OS. (delete all existing partitions in the process.)

Does it boot up?

How To - Windows 10 clean install tutorial

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How To - Windows 11 clean install tutorial

Windows 11 Clean install tutorial This tutorial is intended to help you, step by step, to perform a clean install of Windows 11, version 23H2 or newer but can be equally applied to earlier versions which may have some basic differences in the screens you see but will largely remain similar in...

forums.tomshardware.com