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Mattscreative edited this page Dec 5, 2025 · 2 revisions

Linux Laptop Configuration Guide

Complete beginner-friendly guide to configuring Linux on laptops, covering Arch Linux, CachyOS, and other distributions including battery optimization, power management, touchpad, function keys, and laptop-specific settings.

Table of Contents

  1. Understanding Laptop Configuration
  2. Battery Optimization
  3. Power Management
  4. Function Keys
  5. Touchpad Configuration
  6. Thermal Management
  7. Laptop-Specific Hardware
  8. Troubleshooting

Understanding Laptop Configuration

Laptop-Specific Needs

Laptops have unique requirements:

  • Battery life: Maximize battery runtime
  • Power management: Balance performance and power
  • Touchpad: Configure touchpad settings
  • Function keys: Media keys, brightness, etc.
  • Thermal management: Prevent overheating

Why configure:

  • Battery life: Extend usage time
  • Performance: Balance performance and battery
  • Comfort: Better user experience
  • Hardware: Enable laptop-specific features

Battery Optimization

Check Battery Status

Check battery:

# Using upower
upower -i /org/freedesktop/UPower/devices/battery_BAT0

# Simple battery level
cat /sys/class/power_supply/BAT0/capacity

TLP Power Management

Install TLP:

# Arch/CachyOS
sudo pacman -S tlp tlp-rdw

# Debian/Ubuntu
sudo apt install tlp tlp-rdw

# Fedora
sudo dnf install tlp tlp-rdw

Enable TLP:

sudo systemctl enable --now tlp.service

What TLP does:

  • Automatically optimizes power settings
  • CPU frequency scaling
  • GPU power management
  • Wi-Fi/Bluetooth power
  • USB autosuspend

TLP Configuration

Configure TLP:

# Edit config
sudo vim /etc/tlp.conf

Common settings:

# CPU scaling
CPU_SCALING_GOVERNOR_ON_AC=performance
CPU_SCALING_GOVERNOR_ON_BAT=powersave

# GPU power
RADEON_POWER_PROFILE_ON_AC=high
RADEON_POWER_PROFILE_ON_BAT=low

# Wi-Fi power
WIFI_PWR_ON_AC=off
WIFI_PWR_ON_BAT=on

Power Management

Power Profiles

Install power-profiles-daemon:

# Arch/CachyOS
sudo pacman -S power-profiles-daemon

# Debian/Ubuntu
sudo apt install power-profiles-daemon

# Fedora
sudo dnf install power-profiles-daemon

Use profiles:

# Set profile
powerprofilesctl set balanced
powerprofilesctl set performance
powerprofilesctl set power-saver

CPU Frequency Scaling

Install cpupower:

# Arch/CachyOS
sudo pacman -S cpupower

# Set governor
sudo cpupower frequency-set -g powersave  # For battery
sudo cpupower frequency-set -g performance  # For AC

⌨ Function Keys

Function Key Configuration

Check function keys:

# Check function keys
xev | grep -A 2 --line-buffered '^KeyRelease' | sed -n '/keycode /p'

Backlight Control

Control brightness:

# Install light
sudo pacman -S light

# Increase brightness
light -A 10

# Decrease brightness
light -U 10

# Set brightness
light -S 50  # 50% brightness

Or use xbacklight:

# Install xbacklight
sudo pacman -S xorg-xbacklight

# Increase
xbacklight -inc 10

# Decrease
xbacklight -dec 10

Volume Keys

Volume control usually works automatically with desktop environments.

Manual control:

# Using pactl
pactl set-sink-volume @DEFAULT_SINK@ +10%
pactl set-sink-volume @DEFAULT_SINK@ -10%
pactl set-sink-mute @DEFAULT_SINK@ toggle

Touchpad Configuration

See Touchpad Configuration for detailed guide.

Quick setup:

# Check touchpad
xinput list | grep -i touchpad

# Configure
xinput set-prop "Touchpad Name" "libinput Tapping Enabled" 1

Thermal Management

Install thermald

Install thermald:

# Arch/CachyOS
sudo pacman -S thermald

# Debian/Ubuntu
sudo apt install thermald

# Fedora
sudo dnf install thermald

Enable:

sudo systemctl enable thermald
sudo systemctl start thermald

Temperature Monitoring

Monitor temperature:

# Install sensors
sudo pacman -S lm_sensors

# Detect sensors
sudo sensors-detect

# View sensors
sensors

Laptop-Specific Hardware

Webcam

Check webcam:

# List video devices
ls -l /dev/video*

# Test
ffmpeg -f v4l2 -i /dev/video0 -frames:v 1 test.jpg

Keyboard Backlight

Control keyboard backlight:

# Check if available
ls /sys/class/leds/

# Set brightness
echo 50 | sudo tee /sys/class/leds/input*::kbd_backlight/brightness

Troubleshooting

Battery Not Detected

Check battery:

# Check if detected
ls /sys/class/power_supply/

# Check kernel messages
dmesg | grep -i battery

Function Keys Not Working

Check drivers:

# Check loaded modules
lsmod | grep -i acpi

# Check ACPI events
acpi_listen

Summary

This guide covered laptop configuration for Arch Linux, CachyOS, and other distributions, including battery optimization, power management, function keys, and laptop-specific hardware.

Next Steps

This guide covers Arch Linux, CachyOS, and other Linux distributions. For distribution-specific details, refer to your distribution's documentation.

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