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Thread: MBR tp GPT Conversion - Can't Boot

  1. #1
    Senior Member TonyMan's Avatar
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    MBR tp GPT Conversion - Can't Boot

    I recently converted my disk to GPT in anticipation of Windows 11, went smooth. I just did the same to my wife's PC and now it boots to a black screen that says "Reboot and Select proper boot device or Insert Boot Media in selected Boot device and and press a key...". It will not allow me into the BIOS to change the boot device to UEFI. I've keep tapping Delete after turning on, but no luck. After I did my PC I could go right into the BIOS and make the change. Right now I'm just stuck and can't seem to get anywhere.

    MSI B450-A Pro Max AMD AM4 ATX Motherboard
    AMD Ryzen 5 5600G
    SanDisk SSD
    Strange women lyin' in ponds distributin' swords is no basis for a form of government.

  2. #2
    Senior Member TonyMan's Avatar
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    Actually got it working. I had a clone of the disk that was still MBR. I connected it, was able to boot to the BIOS, changed the UEFI setting, and all is good now,
    Strange women lyin' in ponds distributin' swords is no basis for a form of government.

  3. #3

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