[PLUG] Open read-only partition read-write

[Jason Barnett]

Usually when I have this issue, it is because the little "lock" switch on
the edge of the SD card has gotten moved to the "locked" position, which
will prevent you from writing to it.

On Fri, Feb 22, 2019 at 11:56 AM John Jason Jordan <johnxj at gmx.com> wrote:

> I should know how to do this, but I can't figure it out.
>
> I have a 2GB SD card that came with a new BiPAP machine
> (Philips-Respironics Dreamstation). I can only mount it read-only. It
> is formatted FAT32. My software (SleepyHead) can import the data from
> it, but I wish to add a small .xls file to it. I started by trying the
> GUI Gnome Disk Manager, but it refuses to reformat or delete the
> partition 'because it is mounted read-only.' I also tried Gparted GUI,
> but got the same results. Either of these programs can mount/unmount the
> partition, but regardless of whether it is mounted or not I cannot
> delete the partition.
>
> There is a possibly related issue. When I insert the card into the SD
> card slot on my laptop nothing can see it, yet the slot works fine
> with other cards. I have a couple SD card to USB adapters, and one of
> them works, but not the other.
>
> I haven't tried the command line yet, mostly because I don't know
> commands for gparted. (Yeah, I could look them up, but if the GUI won't
> do it, chances are I'll have the same problem at the command line.)
>
> What am I missing?
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