On 12/27/18 8:21 AM, Ben Koenig wrote:
Running lilo and installing a bootloader to your MBR will not impact UEFI
booting *unless* the BIOS has been set to prefer Legacy booting. MBR
bootloaders (like GRUB and Lilo) do not touch the EFI boot partition and
will be ignored if you configure the BIOS to ignore them.
Dick, do you have your BIOS set to UEFI, Legacy, or Both?
That is a very important question for installing an OS across ALL platforms.
I'm not sure where to look for that, so I'll provide probably more than
is needed.
-----------------------------------------------------------------------------------------------------------
ASUS UEFI BIOS Utility - EZ Mode
SATA Information
SATAG_1:WDC WD10EZEX-00WN4A0 (1000.2GB)
SATAG_2:ASUS DRW-24F1ST c ATPI
SATAG_3:N/A
SATAG_4:N/A
Boot Priority
(Icon that looks like a disk platter with a head) Slackware (SATAG_1:WDC
WD10EZEX-00WN4A0)
(Icon that looks like a disk platter with a head) SATAG_1:WDC
WD10EZEX-00WN4A0 (953869MB)
(Icon that looks like a DVD) SATAG_2:ASUS DRW24F1ST
(Icon that looks like a disk platter with a head) ubuntu (SATAG_1:WDC
WD10EZEX-00WN4A0)
Boot Menu(F8)
SATAG_1:WDC WD10EZEX-00WN4A0 (953869MB)
ubuntu (SATAG_1:WDC WD10EZEX-00WN4A0)
Slackware (SATAG_1:WDC WD10EZEX-00WN4A0)
SATAG_2:ASUS DRW24F1ST
-----------------------------------------------------------------------------------------------------------
So, even though Slackware is first in the Boot Priority list, ubuntu
shows up ahead of it in the Boot Menu. It doesn't appear that I can move
anything in the Boot Menu. I tried moving ubuntu in the Boot Priority
list, and the machine hung. When I powered off and back on, the DVD
drive was gone.
After exit, there is a long pause, and then I get the GRUB prompt again.
do you have your BIOS set to UEFI, Legacy, or Both?
I don't know if I've found what you're asking, but in Advanced Mode
there is a Boot menu. In there is CSM (Compatibility Support Module).
Here's what it has:
-----------------------------------------------------------------------------------------------------------
Launch CSM Enabled
Boot Device Control UEFI and Legacy OPROM
Other options are Legacy OPROM only
UEFI only
Boot from Network Devices Legacy only
Other options are Ignore
UEFI
driver first
Boot from Storage Devices Legacy only
Other options are Ignore
UEFI
driver first
Boot from PCI-E Expansion Devices Legacy only
Other options are Ignore
UEFI driver first
-----------------------------------------------------------------------------------------------------------
When I hit EXIT, the screen went blank, followed by a few flashes, one
of which showed ELILO, but it disappeared, and I'm back to the GRUB prompt.
I'm guessing that my original mistake was that I didn't format /dev/sda1
before beginning the install. I just reused the partitions that were
there for Ubuntu 16. I did format /dev/sda2 before the install. I did
not format /dev/sda3.
Device Start End Sectors Size Type
/dev/sda1 2048 1050623 1048576 512M EFI System
/dev/sda2 1050624 1936863231 1935812608 923.1G Linux filesystem
/dev/sda3 1936863232 1953523711 16660480 8G Linux swap
Assuming that my guess is true, can I boot from the USB stick I made
after installing on the laptop, and run some script to clean out what's
in /dev/sda1 and replace it with what should be there? Or am I guessing
wrong about what's wrong?
Thanks for the help.
--
Regards,
Dick Steffens
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