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Re: Possibly erroneous "device not present" message during boot




Le 15/04/2017 à 22:50, David Wright a écrit :
On Sat 15 Apr 2017 at 19:14:24 (+0200), Pascal Hambourg wrote:
Le 15/04/2017 à 16:28, David Wright a écrit :
On Sat 15 Apr 2017 at 11:05:12 (+0200), Pascal Hambourg wrote:

A SD card reader such as the one the OP has just exposes the SD card
as what it is, a SD/MMC card (/dev/mmcblk*).

I assumed that the OP, writing about a laptop, had no card reader,
and was inserting the SD card directly into the computer.

How do you name that slot on the laptop or desktop where you insert
the SD card, if not an embedded card reader ?

A slot, or an SD slot (as on this Dell), or a micro SD slot.

Behind the slot is a SD card reader. Lenovo names it a card reader.

You seem to have had some difficulty with this part of my post:

| It's not clear to me why an SD is being used in this way as the OP
| has at last revealed that the computer is unable to boot from an SD
| plugged in directly.

IIUC, at first the OP did not know that the computer was unable to boot from the internal SD card reader and discovered it during this thread.

(Of course, an SD card can be made to look like a
| USB stick just by sticking it in a card reader. Then it will boot.)

Obviously not with the OP's laptop internal card reader, which does not make the SD card look like a USB mass storage class device.