BIOS Menu

───────────────────────────────────────────────
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

───────────────────────────────────────────────  »

References

Upgrade To Latest Linux Kernel on Ubuntu 22.04 Fedora 34 on Lenovo Legion 5 PRO 16ACH6H Ubuntu brightness control of Legion 5 pro Restore Grub Boot Loader from Windows Lenovo Legion 5 PRO 16ACH6H Support Battery charging stuck at 60% American Megatrends BIOS Ubuntu on the Legion 5 Pro Lenovo Legion 5Pro BIOS GRUB vs GRUB 2

Install Linux kernel 6.0 on Ubuntu 22.04 Ubuntu » Download » Linux Kernel 6.0.9 Ubuntu » Download » Linux Kernel 6.0.0 Ubuntu » Download » Linux Kernel 5.15 5 Bad Reasons to Update Linux Kernel Calibrate the Laptop Battery

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|   --|     |  |  |    -|    -|   __|
|_____|__|__|_____|__|__|__|__|_____|
@2013~2022                Chorke Inc.

${\begin{array}{lcr}\mathbf {CHORKE\ ACADEMIA\ INC} \\\mathbb {CHORKE\ ACADEMIA\ INC} \\{\mathsf {CHORKE\ ACADEMIA\ INC}}\\\end{array}}$