3 ‐ Linux fixes

This page is a fix and troubleshooting guide that covers the issues I encounter along with my fixes.

Hardware related fixes

Lenovo Legion Pro 7 16IRX8H

This is my professional laptop.

There are just a few things I had to adjust to get things working perfectly.

Fixing built-in sound (Intel HDA ALC287)

Click to expand

Run the Following Script

Copy and paste the following script into the terminal:

View Fix Script

#!/bin/bash
# Nobara Legion Audio Fix Installer
# Logs to: ~/fix_audio_nobara.log

set -euo pipefail

LOG_FILE="$HOME/fix_audio_nobara.log"
MODPROBE_CONF="/etc/modprobe.d/snd_hda_intel.conf"
BLACKLIST_CONF="/etc/modprobe.d/blacklist-dmic.conf"
FIX_AUDIO_SCRIPT="/usr/local/bin/fix_audio_nobara.sh"
SYSTEMD_SERVICE_PATH="$HOME/.config/systemd/user/fix_audio.service"
SYSTEM_SOUND="/usr/share/sounds/alsa/Front_Center.wav"

exec > >(tee -a "$LOG_FILE") 2>&1

echo "=== [BEGIN] Audio Fix Installer ==="
date

sudo bash -c "cat > $MODPROBE_CONF" <<EOF
options snd_hda_intel model=alc3306 power_save=0 power_save_controller=N position_fix=1 probe_mask=1
EOF

sudo bash -c "cat > $BLACKLIST_CONF" <<EOF
blacklist snd_soc_skl
blacklist snd_soc_dmic
blacklist snd_sof_pci
EOF

sudo bash -c "cat > $FIX_AUDIO_SCRIPT" <<EOF
#!/bin/bash
set -euo pipefail
LOG_FILE="\$HOME/fix_audio_nobara.log"
exec > >(tee -a "\$LOG_FILE") 2>&1
echo "=== [fix_audio_nobara.sh] \$(date) ==="
echo "[INFO] Attempting to reload snd_hda_intel..."

if lsmod | grep -q snd_hda_intel; then
  if ! sudo modprobe -r snd_hda_intel 2>/dev/null; then
    echo "[WARN] snd_hda_intel is in use and could not be unloaded. Skipping reload."
    exit 0
  fi
else
  echo "[INFO] snd_hda_intel not currently loaded. Proceeding..."
fi

sleep 1

if ! sudo modprobe snd_hda_intel model=alc3306 power_save=0; then
  echo "[ERROR] Failed to load snd_hda_intel with ALC3306 parameters"
  exit 1
fi

echo "[SUCCESS] snd_hda_intel reloaded successfully"
EOF
sudo chmod +x "$FIX_AUDIO_SCRIPT"

mkdir -p "$(dirname "$SYSTEMD_SERVICE_PATH")"
cat > "$SYSTEMD_SERVICE_PATH" <<EOF
[Unit]
Description=Fix ALC3306 Sound Card Recognition
After=graphical-session.target

[Service]
Type=oneshot
ExecStart=$FIX_AUDIO_SCRIPT
RemainAfterExit=true

[Install]
WantedBy=default.target
EOF

systemctl --user daemon-reexec
systemctl --user daemon-reload
systemctl --user enable fix_audio.service
systemctl --user start fix_audio.service || echo "[NOTE] fix_audio.service start returned non-zero (expected if audio is in use)"

CARD=$(pactl list short cards | grep -m1 'pci.*hda' | cut -f1 || true)
if [[ -n "$CARD" ]]; then
  pactl set-card-profile "$CARD" output:analog-stereo || echo "[WARN] Profile set failed"
  SINK=$(pactl list short sinks | grep "$CARD" | cut -f1 || true)
  pactl set-default-sink "$SINK" || echo "[WARN] Sink set failed"
else
  echo "[WARN] No valid HDA card found"
fi

systemctl --user restart pipewire pipewire-pulse || echo "[WARN] Restart failed"

if [[ -f "$SYSTEM_SOUND" ]]; then
  aplay "$SYSTEM_SOUND" || echo "[WARN] aplay failed"
else
  echo "[WARN] Test sound not found"
fi

echo "=== [COMPLETE] Audio fix applied ==="
echo "Log saved to: $LOG_FILE"

read -rp "Would you like to restart your system now to apply all changes? [y/N]: " response
case "$response" in
    [yY][eE][sS]|[yY])
        echo "Restarting system..."
        systemctl reboot
        ;;
    *)
        echo "You can reboot later to apply all audio changes fully."
        ;;
esac

Verification Tests

After applying the fix, verify the following:

Cold Boot with HDMI Plugged In

• Sound works immediately.
• "Pop" sound heard at boot.
• Confirm default device:

View Command

pactl get-default-sink

Audio Resume Test

• Pausing and unpausing audio should not drop the device.

HDMI Plug/Unplug Stress Test

• Internal speakers should remain default throughout.

System Updates & Kernel Changes

• After kernel updates, confirm GRUB config:

View Command

cat /etc/default/grub

• Re-run the script if issues reoccur after updates.

---

How to Undo These Changes

Use the rollback script below to revert all changes:

View Rollback Script

#!/bin/bash
# Rollback ALC3306 Audio Fix
# Logs to: ~/fix_audio_nobara.log

set -euo pipefail

LOG_FILE="$HOME/fix_audio_nobara.log"
MODPROBE_CONF="/etc/modprobe.d/snd_hda_intel.conf"
BLACKLIST_CONF="/etc/modprobe.d/blacklist-dmic.conf"
FIX_AUDIO_SCRIPT="/usr/local/bin/fix_audio_nobara.sh"
SYSTEMD_SERVICE_PATH="$HOME/.config/systemd/user/fix_audio.service"

exec > >(tee -a "$LOG_FILE") 2>&1

echo "=== [BEGIN] Rollback Audio Fix ==="
date

[[ -f "$MODPROBE_CONF" ]] && sudo rm -f "$MODPROBE_CONF"
[[ -f "$BLACKLIST_CONF" ]] && sudo rm -f "$BLACKLIST_CONF"
[[ -f "$FIX_AUDIO_SCRIPT" ]] && sudo rm -f "$FIX_AUDIO_SCRIPT"

systemctl --user stop fix_audio.service || true
systemctl --user disable fix_audio.service || true
[[ -f "$SYSTEMD_SERVICE_PATH" ]] && rm -f "$SYSTEMD_SERVICE_PATH"
systemctl --user daemon-reload

if lsmod | grep -q snd_hda_intel; then
  if sudo modprobe -r snd_hda_intel 2>/dev/null; then
    sleep 1
    sudo modprobe snd_hda_intel || echo "[WARN] Could not reload driver cleanly"
  else
    echo "[WARN] Driver in use; reboot recommended"
  fi
fi

echo "=== [COMPLETE] Audio fix rolled back ==="
echo "Log saved to: $LOG_FILE"

read -rp "Would you like to restart your system now to apply rollback fully? [y/N]: " response
case "$response" in
    [yY][eE][sS]|[yY])
        echo "Restarting system..."
        systemctl reboot
        ;;
    *)
        echo "Reboot later to ensure full rollback."
        ;;
esac

Nobara Apps:

Libre Office

This suit currently does not like playing with wayland which powers the OS's windowing system.

Solution: Find Writer or what ever app you want to fix in the search, right click the app shortcut and 'Edit Application'.

Paste the following into the environmental variables: QT_QPA_PLATFORM=xcb

It should run fine now.