J3455-ITX cannot recognize boot drive

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   Bought this mobo to upgrade from an older similar type (cpu combo, onboard everything) for a mediaserver.

The system only boots to the UEFI bios page. When I tell it to boot, I get "no boot device found". Same if I goto the advacned menu and try todo a network download of drivers. The hdd is recognized in SATA1.

I can take the drive out and attach it externally to another PC and it seems fine.

googling a bit, is it because the boot drive is formatted in NTFS or is that something from years ago? If so, anyone have an idea how to "fix" that. The issue isn't having another drive to copy or whatever, the issue is not losing the windows key on the disk.

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kmedia Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 11 Dec 2018 Status: Offline Points: 12	Post Options Post Reply Quote kmedia Report Post Thanks(0) Quote Reply Topic: J3455-ITX cannot recognize boot drive Posted: 11 Dec 2018 at 5:42am
	Bought this mobo to upgrade from an older similar type (cpu combo, onboard everything) for a mediaserver. The system only boots to the UEFI bios page. When I tell it to boot, I get "no boot device found". Same if I goto the advacned menu and try todo a network download of drivers. The hdd is recognized in SATA1. I can take the drive out and attach it externally to another PC and it seems fine. googling a bit, is it because the boot drive is formatted in NTFS or is that something from years ago? If so, anyone have an idea how to "fix" that. The issue isn't having another drive to copy or whatever, the issue is not losing the windows key on the disk.

ASRock_TSD Members Profile Send Private Message Find Members Posts Add to Buddy List ASRock_Official Joined: 20 Mar 2015 Status: Offline Points: 8922	Post Options Post Reply Quote ASRock_TSD Report Post Thanks(0) Quote Reply Posted: 11 Dec 2018 at 11:05am
	Dear Kmedia, Thank you for choosing ASRock. Regarding your case, the J3455-ITX only support UEFI (GPT) mode, if you connect a legacy (MBR) OS, it cannot recognize it. Please refer to the following link to change the MBR disk to GPT disk to try. https://docs.microsoft.com/en-us/windows-server/storage/disk-management/change-an-mbr-disk-into-a-gpt-disk Thank you! Yours truly, ASRock TSD

kmedia Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 11 Dec 2018 Status: Offline Points: 12	Post Options Post Reply Quote kmedia Report Post Thanks(0) Quote Reply Posted: 11 Dec 2018 at 10:22pm
	thank you. I suspected something like this. I had a spare disk so I reinstalled windows on it and it boots now.