I have an ASUS laptop with the following according to Disk Management:

  • Disk 0: 2.5" 1TB hard drive, one partition is C: and contains Windows 10
  • Disk 1: 16GB m.2 SSD, one partition and named D:

I have successfully replaced the SSD with a 500GB m.2 SSD. It is still D: and is fully accessible.

I now want to clean install Windows 10 onto the SSD, and basically use the 1TB just for data. If I do it without removing the 1TB physically out of the computer, will Windows now rename the SSD as C: or is there a way to ensure that the SSD becomes C: with the bootable Windows? (I am not interested or want multi-boot.)

If instead I remove the 1TB drive physically and install Windows onto the SSD, will the SSD now become C: by default?

  • Yes, the SSD will now be C:\ by default – user345866 Nov 25 '16 at 5:20
  • Are you referring only to the second method, ie I remove the 1TB drive physically from the computer? – Old Geezer Nov 25 '16 at 5:21
  • You can boot into the SSD without disconnecting the HDD. Boot by selecting the SSD in the BIOS boot menu. – user345866 Nov 25 '16 at 5:55

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