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hard drive doesn't appear in boot sequence
Dear Sir,
I bought new computer from dell OptiPlex 7080 with windows 10 pro. I had added my old SATA hard disk with Windows 8.1 Professional. I can't able to find my second (WINDOWS 8.1) from Boot Menu. how can use both operating system together
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fireberd
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Posted December 1st, 2021 12:00
New systems have UEFI BIOS and looking for drives formatted GPT. The old drive you have is probably formatted NTFS. The new hardware is not backward compatible with Win 8.1.