On Mon, 2021-02-08 at 22:26 +0000, Bernard McNeill wrote: > > On 08/02/2021 21:57, Lou Poppler wrote: > > On Mon, 2021-02-08 at 20:47 +0000, Bernard McNeill wrote: > > > > > > On 08/02/2021 20:33, Cyril Brulebois wrote: > > > > Bernard McNeill <[email protected]> (2021-02-08): > > > > > It says to 'Change the SATA from RAID On to AHCI, without this change > > > > > Linux > > > > > will not find SSD'. > > > > > Questions: 1. To me, SATA is a reference to HDD, no internal HDD on my > > > > > copy of this model - so not relevant ? > > > > > > > > Used for almost anything really, HDD, SSD, USB sticks, etc. > > > > > > > > > In passing, I note the same link shows a need to disable Secure Boot - > > > > > is this now obsolete? > > > > > > > > Likely. We've started supporting SB with Debian 10 (buster). > > > > > > > > > > > > Cheers, > > > > > > > > > > If I change the SATA from RAID On to AHCI, do I mess up whatever is > > > currently on the SSD? > > > > > > Best regards > > > > > > > See > > https://www.dell.com/community/XPS/Pros-Cons-AHCI-vs-Raid-On-XPS13-9300-NVMe/td-p/7636984 > > > > You have Windows on a regular, spinning hard disk in the machine, and you > > also have an > > unused SSD -- is this correct? Or maybe they are already RAIDed together > > by the factory? > > > > I thing especially if you are now introducing a third external disk to the > > mix, you probably > > do not want this factory RAID thing, but I don't know how safe it is to > > turn it off if you > > already have two mass-storage devices controlled by the thing. > > > > + You have Windows on a regular, spinning hard disk in the machine, and > + you also have an > + unused SSD -- is this correct? Or maybe they are already RAIDed > + together by the factory? > I have one SSD (which has Win-10 on it), there is no other disk > (spinning or otherwise) on the machine. > The BIOS System Information says 'M.2. SATA =(none)' > and 'M.2. PCIe SSD-0=87NB51ASK5HS'. > However: Under BIOS System Configuration, 'SATA Operation' is set to > 'RAID On', [other options are 'Disabled' and 'AHCI' ]. > > Best regards
That Dell Community webpage also says there is a *chance* that you can change the BIOS option, and get into Windows "safe mode" and recover. I strongly suggest making a backup now, of anything in the windows install that you do not want to lose. [ also note, I made a couple small modernizing edits to https://wiki.debian.org/InstallingDebianOn/Dell/Dell_XPS_13_9360 ]
