# Temporary fix for Dell XPS 14/16 on Panther Lake # Disable WiFi 7 (EHT/802.11be) on Intel BE200/BE211 cards # The iwlwifi driver has a broken EHT RX data path — APs drop to MCS 0 NSS 1 # when EHT is negotiated, making WiFi unusable. Disabling EHT falls # back to WiFi 6 (HE/802.11ax) which works at full speed. # This should be removed when Intel fixes the firmware/driver. if lspci -nn | grep -qE '\[8086:(e440|272b)\]'; then mkdir -p /etc/modprobe.d cat > /etc/modprobe.d/iwlwifi-disable-eht.conf <<'EOF' # Temporary fix Dell XPS 14/16 on Panther lake # Disable WiFi 7 (EHT) on Intel BE200/BE211 — broken RX rate adaptation # Remove this file when fixes land in the iwlwifi EHT data path options iwlwifi disable_11be=Y EOF fi