Restart system and choose correct boot device

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Restart system and choose correct boot device

Restart system and choose correct boot device

K

kcaz56
Senior Member

664

12-04-2017, 01:42 AM

#1

You recently upgraded to a Ryzen system and installed Windows on an SSD instead of a traditional hard drive. The setup process was smooth until Windows needed to restart to finish. At that point, you connected the USB drive to halt the installation and hoped it would boot your SSD. Instead, it prompted "Reboot and Select Proper Boot Device." You've tried various steps—changing MBR/GPT settings, using the partition in Command Prompt, and setting the SSD as the boot device in BIOS—but received the same error: "The selected disk is not a fixed MBR disk." You've also reinstalled Windows multiple times. Any suggestions would be helpful.

K

kcaz56

12-04-2017, 01:42 AM #1

You recently upgraded to a Ryzen system and installed Windows on an SSD instead of a traditional hard drive. The setup process was smooth until Windows needed to restart to finish. At that point, you connected the USB drive to halt the installation and hoped it would boot your SSD. Instead, it prompted "Reboot and Select Proper Boot Device." You've tried various steps—changing MBR/GPT settings, using the partition in Command Prompt, and setting the SSD as the boot device in BIOS—but received the same error: "The selected disk is not a fixed MBR disk." You've also reinstalled Windows multiple times. Any suggestions would be helpful.