BIOS Menu
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─────────────────────────────────────────────── Control + Alter + Delete » Restart Esc (Continuous Press) » Until Boot Menu
cat /sys/bus/platform/drivers/ideapad_acpi/VPC2004:00/conservation_mode Result: 0 = disabled, 1= enabled
Repair UEFI Grub
# verify partitions
gparted
# mount ubuntu partition
sudo mount /dev/nvme0n1p4 /mnt
for i in /sys /proc /run /dev;\
do sudo mount --bind "$i" "/mnt$i"; done
# mount uefi partition
sudo mount /dev/nvme0n1p1 /mnt/boot/efi
sudo chroot /mnt
update-grub && grub-install /dev/nvme0n1
update-grub && exit
sudo reboot
Ubuntu Firmware Update
sudo fwupdmgr get-devices
sudo dmidecode -s bios-version
for d in system-manufacturer \
system-product-name bios-release-date bios-version;\
do echo "${d^} :$(sudo dmidecode -s $d)"; done
sudo fwupdmgr refresh
sudo fwupdmgr refresh --force
sudo fwupdmgr get-updates
sudo fwupdmgr update
sudo dmidecode -s bios-version
Ubuntu Kernel Downgrade
apt list --installed | grep linux-image
dpkg --list | grep linux-image
find /boot/vmli*
sudo apt remove linux-image-6.0.9-060009-generic linux-headers-6.0.9-060009-generic
sudo apt-mark hold linux-image-generic linux-headers-generic
Ubuntu Kernel Upgrade
# https://kernel.ubuntu.com/~kernel-ppa/mainline/v6.0.9/amd64/
# https://kernel.ubuntu.com/~kernel-ppa/mainline/v6.0/amd64/
sudo apt update && sudo apt full-upgrade -y
sudo dpkg -i *.deb
sudo apt install gcc make perl -y
sudo init 6
uname -mrs
sudo apt update && sudo apt full-upgrade -y
sudo apt install gcc make perl -y
sudo apt autoremove
sudo init 6
uname -mrs
ThinkPad Fn Key
─────────────────────────────────────────────── Fn + 4 » Sleep mode |
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References
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