WHy doesn't the UEFI version of the installation-USB-stick boot ?
"Many computers with UEFI firmware will allow you to enable a legacy BIOS compatibility mode. In this mode, the UEFI firmware functions as a standard BIOS instead of UEFI firmware. This can help improve compatibility with older operating systems that weren't designed with UEFI in mind — Windows 7, Ubuntu, Linux, for example. In this article I walkthrough how to disable UEFI and enable Legacy/CSM boot support. "
The article mentions older operating systems as the reason for the legacy mode. It doesn't mention Windows 10 and it doesn't mention MBR partition. Moreover, if legacy or gpt paritionng is a requirement, why did it work before ?
The 'Advanced options' in the installer vary. The UEFI settings are now missing, both for the DVD and the USB installer. So I disconnect the internal HDD, but that doesn't make any difference. I had already tried that option before I posted here to see what it did, and as far as I remember it didn't work.
I managed to make my phone and old computer talk. Here is a picture of a BIOS tab :
So it would seem it is already set to legacy BIOS, which would explain why the UEFI boot options don't work, but doesn't explain why the MBR partitioned disks don't work.
I set 'Storage Boot Option Control to 'UEFI Only' and test what happens.
The computer can still boot from SanDisk Extreme Pro 0. Deleting primary partition of SSD still doesn't work. (The HDD is disconnected.)
Booting from the UEFI version still doesn't work. So changing that setting does not seem to have made a difference. What settings should I try ?
I set 'Storage Boot Option Control' to 'Disabled' and conntect the internal HDD.
I try to format the SSD with Ubuntu by following the article PeterOz referred to in post 29. Writing on the SSD still doesn't seem to work.
Ubuntu says the SSD has an MBR partitioning.
I select NTFS formatting.
"Error formatting volume
Error synchronizing after initial wipe: Timed out waiting for object (udisks-error-quark, 0)"
The article recommends trying GPartted.
I start GParted from the Dash. I immediately get a window with the message : "Error fsyncing/closing /dev/nvme0n1p1: No data available" with the buttons 'Retry' and 'Ignore'. Both reproduce the same Window. I can't even quit the program.
In 'On this Computer' both the SSD and the internal HDD are gone.
I restart the computer and load Ubuntu again Both drives are back and nothing seems to have changed. I try GParted again and get the same.
What can I try next ?
- I can try wiping the internal HDD to install Windows there. However, Windows will be slower, but maybe I can repair the SSD from there.
- By a new SSD. However, I have no use for the 'old' SSD and it may not even work.
I don't have another computer that can accomodate an SSD. Any suggestions ?