Even the laptop keyboard won’t work, while the Windows Partition does not make any trouble.
I am pretty nervous.
Thank you for any help!
After starting with fallback with initram fs, it works.
What is my next step?
In the meantime, I ran an update and tried to fix grub. These are the results:
eos-update-notifier: updates from upstream:
Name Current -> New Download Size
---- ------- -- --- -------------
archlinux-keyring 20230629-1 -> 20230704-1 1167,70 KiB
broadcom-wl 6.30.223.271-480 -> 6.30.223.271-481 1453,67 KiB
cython 0.29.35-2 -> 0.29.36-1 2,29 MiB
gcab 1.5-1 -> 1.6-1 87,81 KiB
gettext 0.21.1-5 -> 0.22-1 1825,90 KiB
grub 2:2.06.r566.g857af0e17-1 -> 2:2.06.r591.g6425c12cd-1 6,77 MiB
hwdata 0.371-1 -> 0.372-1 1584,95 KiB
libksba 1.6.3-1 -> 1.6.4-1 139,67 KiB
libqalculate 4.6.1-2 -> 4.7.0-1 2,68 MiB
linux 6.4.1.arch1-1 -> 6.4.1.arch2-1 125,39 MiB
linux-headers 6.4.1.arch1-1 -> 6.4.1.arch2-1 29,41 MiB
marble-common 23.04.2-1 -> 23.04.2-2 45,44 MiB
opencv 4.7.0-12 -> 4.7.0-13 26,84 MiB
php 8.2.7-2 -> 8.2.8-1 4,47 MiB
php-gd 8.2.7-2 -> 8.2.8-1 29,88 KiB
php-legacy 8.1.20-2 -> 8.1.21-1 4,35 MiB
php-legacy-gd 8.1.20-2 -> 8.1.21-1 29,74 KiB
protobuf 21.12-2 -> 23.3-2 2,01 MiB
protobuf-c 1.4.1-1 -> 1.4.1-2 106,26 KiB
pyside6 6.5.1.1-1 -> 6.5.1.1-4 8,71 MiB
python-exceptiongroup 1.1.1-2 -> 1.1.2-1 31,67 KiB
shiboken6 6.5.1.1-1 -> 6.5.1.1-4 1131,56 KiB
signal-desktop 6.22.0-1 -> 6.23.0-1 106,79 MiB
telegram-desktop 4.8.4-1 -> 4.8.4-2 30,48 MiB
upower 1.90.0-4 -> 1.90.1-1 144,48 KiB
vlc 3.0.18-11 -> 3.0.18-12 11,55 MiB
zxing-cpp 2.0.0-2 -> 2.1.0-1 571,27 KiB
Updating, elevated privileges required. Root Passwort:
:: Paketdatenbanken werden synchronisiert …
endeavouros ist aktuell
core 133,3 KiB 373 KiB/s 00:00 [--------------------------------------------------------------------] 100%
extra 8,3 MiB 1167 KiB/s 00:07 [--------------------------------------------------------------------] 100%
community ist aktuell
multilib 142,0 KiB 377 KiB/s 00:00 [--------------------------------------------------------------------] 100%
:: Vollständige Systemaktualisierung wird gestartet …
Abhängigkeiten werden aufgelöst …
Nach in Konflikt stehenden Paketen wird gesucht …
Paket (27) Alte Version Neue Version Netto-Veränderung Größe des Downloads
core/archlinux-keyring 20230629-1 20230704-1 0,00 MiB 1,14 MiB
extra/broadcom-wl 6.30.223.271-480 6.30.223.271-481 0,00 MiB 1,42 MiB
extra/cython 0.29.35-2 0.29.36-1 3,71 MiB 2,34 MiB
extra/gcab 1.5-1 1.6-1 0,00 MiB 0,08 MiB
core/gettext 0.21.1-5 0.22-1 0,20 MiB 1,82 MiB
core/grub 2:2.06.r566.g857af0e17-1 2:2.06.r591.g6425c12cd-1 -0,32 MiB 6,72 MiB
core/hwdata 0.371-1 0.372-1 0,02 MiB 1,55 MiB
core/libksba 1.6.3-1 1.6.4-1 0,00 MiB 0,14 MiB
extra/libqalculate 4.6.1-2 4.7.0-1 0,02 MiB 2,69 MiB
core/linux 6.4.1.arch1-1 6.4.1.arch2-1 0,01 MiB 125,43 MiB
core/linux-headers 6.4.1.arch1-1 6.4.1.arch2-1 -0,01 MiB 29,45 MiB
extra/marble-common 23.04.2-1 23.04.2-2 0,03 MiB 45,45 MiB
extra/opencv 4.7.0-12 4.7.0-13 0,30 MiB 26,90 MiB
extra/php 8.2.7-2 8.2.8-1 0,00 MiB 4,48 MiB
extra/php-gd 8.2.7-2 8.2.8-1 0,00 MiB 0,03 MiB
extra/php-legacy 8.1.20-2 8.1.21-1 0,00 MiB 4,35 MiB
extra/php-legacy-gd 8.1.20-2 8.1.21-1 0,00 MiB 0,03 MiB
extra/protobuf 21.12-2 23.3-2 1,50 MiB 2,15 MiB
extra/protobuf-c 1.4.1-1 1.4.1-2 0,03 MiB 0,11 MiB
extra/pyside6 6.5.1.1-1 6.5.1.1-4 0,00 MiB 8,70 MiB
extra/python-exceptiongroup 1.1.1-2 1.1.2-1 0,00 MiB 0,03 MiB
extra/shiboken6 6.5.1.1-1 6.5.1.1-4 0,00 MiB 1,11 MiB
extra/signal-desktop 6.22.0-1 6.23.0-1 1,30 MiB 106,67 MiB
extra/telegram-desktop 4.8.4-1 4.8.4-2 0,00 MiB 30,49 MiB
extra/upower 1.90.0-4 1.90.1-1 0,01 MiB 0,14 MiB
extra/vlc 3.0.18-11 3.0.18-12 0,04 MiB 11,55 MiB
extra/zxing-cpp 2.0.0-2 2.1.0-1 0,05 MiB 0,57 MiB
Gesamtgröße des Downloads: 415,52 MiB
Gesamtgröße der installierten Pakete: 1192,58 MiB
Größendifferenz der Aktualisierung: 6,90 MiB
:: Installation fortsetzen? [J/n]
:: Pakete werden empfangen …
telegram-desktop-4.8.4-2-x86_64 30,5 MiB 201 KiB/s 02:36 [--------------------------------------------------------------------] 100%
linux-headers-6.4.1.arch2-1-x86_64 29,5 MiB 189 KiB/s 02:39 [--------------------------------------------------------------------] 100%
vlc-3.0.18-12-x86_64 11,6 MiB 280 KiB/s 00:42 [--------------------------------------------------------------------] 100%
marble-common-23.04.2-2-x86_64 45,4 MiB 225 KiB/s 03:27 [--------------------------------------------------------------------] 100%
grub-2:2.06.r591.g6425c12cd-1-x86_64 6,7 MiB 321 KiB/s 00:21 [--------------------------------------------------------------------] 100%
pyside6-6.5.1.1-4-x86_64 8,7 MiB 283 KiB/s 00:32 [--------------------------------------------------------------------] 100%
opencv-4.7.0-13-x86_64 26,9 MiB 314 KiB/s 01:28 [--------------------------------------------------------------------] 100%
php-8.2.8-1-x86_64 4,5 MiB 291 KiB/s 00:16 [--------------------------------------------------------------------] 100%
php-legacy-8.1.21-1-x86_64 4,4 MiB 293 KiB/s 00:15 [--------------------------------------------------------------------] 100%
libqalculate-4.7.0-1-x86_64 2,7 MiB 346 KiB/s 00:08 [--------------------------------------------------------------------] 100%
protobuf-23.3-2-x86_64 2,1 MiB 597 KiB/s 00:04 [--------------------------------------------------------------------] 100%
cython-0.29.36-1-x86_64 2,3 MiB 214 KiB/s 00:11 [--------------------------------------------------------------------] 100%
hwdata-0.372-1-any 1587,1 KiB 240 KiB/s 00:07 [--------------------------------------------------------------------] 100%
gettext-0.22-1-x86_64 1858,9 KiB 234 KiB/s 00:08 [--------------------------------------------------------------------] 100%
broadcom-wl-6.30.223.271-481-x86_64 1455,2 KiB 265 KiB/s 00:06 [--------------------------------------------------------------------] 100%
archlinux-keyring-20230704-1-any 1164,1 KiB 383 KiB/s 00:03 [--------------------------------------------------------------------] 100%
upower-1.90.1-1-x86_64 146,7 KiB 289 KiB/s 00:01 [--------------------------------------------------------------------] 100%
zxing-cpp-2.1.0-1-x86_64 585,4 KiB 295 KiB/s 00:02 [--------------------------------------------------------------------] 100%
libksba-1.6.4-1-x86_64 139,4 KiB 286 KiB/s 00:00 [--------------------------------------------------------------------] 100%
protobuf-c-1.4.1-2-x86_64 115,2 KiB 411 KiB/s 00:00 [--------------------------------------------------------------------] 100%
gcab-1.6-1-x86_64 85,9 KiB 290 KiB/s 00:00 [--------------------------------------------------------------------] 100%
python-exceptiongroup-1.1.2-1-any 31,7 KiB 176 KiB/s 00:00 [--------------------------------------------------------------------] 100%
php-gd-8.2.8-1-x86_64 29,8 KiB 241 KiB/s 00:00 [--------------------------------------------------------------------] 100%
php-legacy-gd-8.1.21-1-x86_64 29,8 KiB 307 KiB/s 00:00 [--------------------------------------------------------------------] 100%
shiboken6-6.5.1.1-4-x86_64 1131,7 KiB 269 KiB/s 00:04 [--------------------------------------------------------------------] 100%
signal-desktop-6.23.0-1-x86_64 106,7 MiB 329 KiB/s 05:32 [--------------------------------------------------------------------] 100%
linux-6.4.1.arch2-1-x86_64 125,4 MiB 371 KiB/s 05:47 [--------------------------------------------------------------------] 100%
Gesamt (27/27) 415,5 MiB 1227 KiB/s 05:47 [--------------------------------------------------------------------] 100%
(27/27) Schlüssel im Schlüsselbund werden geprüft [--------------------------------------------------------------------] 100%
(27/27) Paket-Integrität wird überprüft [--------------------------------------------------------------------] 100%
(27/27) Paket-Dateien werden geladen [--------------------------------------------------------------------] 100%
(27/27) Auf Dateikonflikte wird geprüft [--------------------------------------------------------------------] 100%
:: Pre-transaction-Hooks werden gestartet …
(1/2) Removing linux initcpios...
(2/2) Remove DKMS modules
==> dkms remove --no-depmod evdi/1.13.1 -k 6.4.1-arch1-1
==> dkms remove --no-depmod rtw89/r327.e834edf -k 6.4.1-arch1-1
==> depmod 6.4.1-arch1-1
:: Paketänderungen werden verarbeitet …
( 1/27) Aktualisiert wird gettext [--------------------------------------------------------------------] 100%
( 2/27) Aktualisiert wird libksba [--------------------------------------------------------------------] 100%
( 3/27) Aktualisiert wird archlinux-keyring [--------------------------------------------------------------------] 100%
==> Füge Schlüssel aus archlinux.gpg hinzu...
==> Aktualisiere Trust-Datenbank...
gpg: nächste "Trust-DB"-Pflichtüberprüfung am 2023-10-27
==> Aktualisiere Trust-Datenbank...
gpg: nächste "Trust-DB"-Pflichtüberprüfung am 2023-10-27
( 4/27) Aktualisiert wird hwdata [--------------------------------------------------------------------] 100%
( 5/27) Aktualisiert wird linux [--------------------------------------------------------------------] 100%
( 6/27) Aktualisiert wird broadcom-wl [--------------------------------------------------------------------] 100%
( 7/27) Aktualisiert wird cython [--------------------------------------------------------------------] 100%
( 8/27) Aktualisiert wird gcab [--------------------------------------------------------------------] 100%
( 9/27) Aktualisiert wird grub [--------------------------------------------------------------------] 100%
:: To use the new features provided in this GRUB update, it is recommended
to install it to the MBR or UEFI. Due to potential configuration
incompatibilities, it is advised to run both, installation and generation
of configuration:
$ grub-install ...
$ grub-mkconfig -o /boot/grub/grub.cfg
Neue optionale Abhängigkeiten für grub
fuse3: For grub-mount usage [Installiert]
(10/27) Aktualisiert wird libqalculate [--------------------------------------------------------------------] 100%
(11/27) Aktualisiert wird linux-headers [--------------------------------------------------------------------] 100%
(12/27) Aktualisiert wird protobuf [--------------------------------------------------------------------] 100%
(13/27) Aktualisiert wird marble-common [--------------------------------------------------------------------] 100%
(14/27) Aktualisiert wird opencv [--------------------------------------------------------------------] 100%
(15/27) Aktualisiert wird php [--------------------------------------------------------------------] 100%
(16/27) Aktualisiert wird php-gd [--------------------------------------------------------------------] 100%
(17/27) Aktualisiert wird php-legacy [--------------------------------------------------------------------] 100%
(18/27) Aktualisiert wird php-legacy-gd [--------------------------------------------------------------------] 100%
(19/27) Aktualisiert wird protobuf-c [--------------------------------------------------------------------] 100%
(20/27) Aktualisiert wird shiboken6 [--------------------------------------------------------------------] 100%
(21/27) Aktualisiert wird pyside6 [--------------------------------------------------------------------] 100%
(22/27) Aktualisiert wird python-exceptiongroup [--------------------------------------------------------------------] 100%
(23/27) Aktualisiert wird signal-desktop [--------------------------------------------------------------------] 100%
(24/27) Aktualisiert wird telegram-desktop [--------------------------------------------------------------------] 100%
(25/27) Aktualisiert wird upower [--------------------------------------------------------------------] 100%
(26/27) Aktualisiert wird vlc [--------------------------------------------------------------------] 100%
(27/27) Aktualisiert wird zxing-cpp [--------------------------------------------------------------------] 100%
ldconfig: /usr/lib/libevdi.so.1 ist kein symbolischer Link
:: Post-transaction-Hooks werden gestartet …
( 1/15) Reloading system manager configuration...
( 2/15) Updating udev hardware database...
( 3/15) Reloading device manager configuration...
( 4/15) Arming ConditionNeedsUpdate...
( 5/15) Updating the MIME type database...
( 6/15) Updating module dependencies...
( 7/15) Install DKMS modules
==> dkms install --no-depmod rtw89/r327.e834edf -k 6.4.1-arch2-1
==> dkms install --no-depmod evdi/1.13.1 -k 6.4.1-arch2-1
==> dkms install --no-depmod rtl8852be_bt/r12.6848d66 -k 6.4.1-arch2-1
Error! Build of 8852be_bt.ko failed for: 6.4.1-arch2-1 (x86_64)
Make sure the name of the generated module is correct and at the root of the
build directory, or consult make.log in the build directory
/var/lib/dkms/rtl8852be_bt/r12.6848d66/build for more information.
==> WARNING: `dkms install --no-depmod rtl8852be_bt/r12.6848d66 -k 6.4.1-arch2-1' exited 7
==> dkms install --no-depmod rtl8852be/r28.28daf8c -k 6.4.1-arch2-1
Error! Bad return status for module build on kernel: 6.4.1-arch2-1 (x86_64)
Consult /var/lib/dkms/rtl8852be/r28.28daf8c/build/make.log for more information.
==> WARNING: `dkms install --no-depmod rtl8852be/r28.28daf8c -k 6.4.1-arch2-1' exited 10
==> depmod 6.4.1-arch2-1
( 8/15) Updating linux initcpios...
==> Building image from preset: /etc/mkinitcpio.d/linux.preset: 'default'
==> Using configuration file: '/etc/mkinitcpio.conf'
-> -k /boot/vmlinuz-linux -c /etc/mkinitcpio.conf -g /boot/initramfs-linux.img
==> Starting build: '6.4.1-arch2-1'
-> Running build hook: [base]
-> Running build hook: [udev]
-> Running build hook: [autodetect]
-> Running build hook: [modconf]
-> Running build hook: [block]
==> WARNING: Possibly missing firmware for module: 'xhci_pci'
-> Running build hook: [keyboard]
-> Running build hook: [keymap]
-> Running build hook: [consolefont]
==> WARNING: consolefont: no font found in configuration
-> Running build hook: [filesystems]
-> Running build hook: [fsck]
==> Generating module dependencies
==> Creating zstd-compressed initcpio image: '/boot/initramfs-linux.img'
==> Image generation successful
==> Building image from preset: /etc/mkinitcpio.d/linux.preset: 'fallback'
==> Using configuration file: '/etc/mkinitcpio.conf'
-> -k /boot/vmlinuz-linux -c /etc/mkinitcpio.conf -g /boot/initramfs-linux-fallback.img -S autodetect
==> Starting build: '6.4.1-arch2-1'
-> Running build hook: [base]
-> Running build hook: [udev]
-> Running build hook: [modconf]
-> Running build hook: [block]
==> WARNING: Possibly missing firmware for module: 'aic94xx'
==> WARNING: Possibly missing firmware for module: 'qla1280'
==> WARNING: Possibly missing firmware for module: 'wd719x'
==> WARNING: Possibly missing firmware for module: 'qed'
==> WARNING: Possibly missing firmware for module: 'bfa'
==> WARNING: Possibly missing firmware for module: 'qla2xxx'
==> WARNING: Possibly missing firmware for module: 'xhci_pci'
-> Running build hook: [keyboard]
-> Running build hook: [keymap]
-> Running build hook: [consolefont]
==> WARNING: consolefont: no font found in configuration
-> Running build hook: [filesystems]
-> Running build hook: [fsck]
==> Generating module dependencies
==> Creating zstd-compressed initcpio image: '/boot/initramfs-linux-fallback.img'
==> Image generation successful
( 9/15) Reloading system bus configuration...
(10/15) Check if user should be informed about rebooting after certain system package upgrades.
(11/15) Updating icon theme caches...
(12/15) Checking which packages need to be rebuilt
(13/15) Updating the info directory file...
(14/15) Updating the desktop file MIME type cache...
(15/15) Updating the vlc plugin cache...
upstream update done!
[ds@Lenovo-DS ~]$ grub-install
x86_64-efi wird für Ihre Plattform installiert.
grub-install: Warnung: Platte existiert nicht, ersatzweise wird Partition des Geräts /dev/nvme0n1p1 verwendet.
grub-install: Warnung: Platte existiert nicht, ersatzweise wird Partition des Geräts /dev/nvme0n1p1 verwendet.
grub-install: Warnung: Platte existiert nicht, ersatzweise wird Partition des Geräts /dev/nvme0n1p1 verwendet.
grub-install: Fehler: Laufwerk »hostdisk//dev/nvme0n1p1« wurde nicht gefunden..
[ds@Lenovo-DS ~]$
Then, I have aborted any further steps to not damage the system.
(there are not enough hugs like I would like to share right now!) 
