Just clean install my laptop. After windows successfully installed, as usual i connect to internet, format and give name to D drive in Disk Management. After couple of minutes i plug my external hard drive to copy paste my backup to laptop and everything done, i try to eject my external hard drive but the eject button just grey out and cant click it, i check disk management and my external hard drive shown as Primary Partition.
My External Hard Drive is WD Passport 1TB. .

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Just reboot and fixed.