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December 13th, 2024 02:32
How to add A second ssd/hdd as D: when your Dell PC is shipped with A single drive C:
frequently asked and will be asked
you need to change BIOS SATA operation from Dell default RAID ON to AHCI in safe mode
user success report:
windows can not boot in safemode if the PIN sign-in is enabled. I had to disable PIN sign-in before going into safemode. Windows really should warn users that enabling the PIN will prevent you from booting in safemode.
once I disabled PIN, all the steps worked and I was able to install my m.2 in AHCI mode.
Many Dell desktop bios have this setting:
| SATA/NVME Operation mode | |||
| SATA/NVME Operation mode | Sets the operating mode of the integrated storage device controller. Default: RAID on |
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redxps630
9 Legend
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14.8K Posts
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December 13th, 2024 03:16
user beware:
when you apply custom change to bios, there is a present or future risk that when PC is unplugged from power for long time and PC is older than 5 years when cmos battery expires, Dell bios may revert to RAID ON default, at which point it will prevent user from using the C: and D: drive in a normal unlinked manner. when that happens, replace the cmos battery with a new one, change BIOS back to AHCI and save, you would not need to enter safe mode any more to do this.