diff --git a/setup-network.sh b/setup-network.sh
index 00d083f..70543f3 100755
--- a/setup-network.sh
+++ b/setup-network.sh
@@ -8,6 +8,10 @@ CYAN='\033[0;36m'
 NC='\033[0m'
 
 info()   { echo -e "${GREEN}[+]${NC} $*"; }
+warn()   { echo -e "${YELLOW}[!]${NC} $*"; }
+die()    { echo -e "${RED}[ERROR]${NC} $*" >&2; exit 1; }
+header() { echo -e "\n${CYAN}══════════════════════════════════════════${NC}"; echo -e "${CYAN}  $*${NC}"; echo -e "${CYAN}══════════════════════════════════════════${NC}"; }
+
 check_deps() {
     local missing=()
     for cmd in "$@"; do
@@ -20,11 +24,6 @@ check_deps() {
     fi
 }
 
-
-warn()   { echo -e "${YELLOW}[!]${NC} $*"; }
-die()    { echo -e "${RED}[ERROR]${NC} $*" >&2; exit 1; }
-header() { echo -e "\n${CYAN}══════════════════════════════════════════${NC}"; echo -e "${CYAN}  $*${NC}"; echo -e "${CYAN}══════════════════════════════════════════${NC}"; }
-
 [ "$(id -u)" -eq 0 ] || die "Run as root"
 
 check_deps ip netplan systemctl
@@ -164,11 +163,9 @@ fi
 info "Netplan config written to $NETPLAN_FILE"
 
 header "Applying Configuration"
-warn "Testing netplan config with 30 second rollback window..."
-netplan try --timeout 30 &
-NETPLAN_PID=$!
+warn "Applying netplan config — will revert automatically if network is lost..."
+netplan apply
 
-STATIC_ADDR_TEST="${STATIC_IP%%/*}"
 CONNECTED=false
 for i in $(seq 1 6); do
     sleep 5
@@ -180,13 +177,16 @@ for i in $(seq 1 6); do
 done
 
 if $CONNECTED; then
-    info "Network connectivity confirmed — applying config permanently."
-    netplan apply
+    info "Network connectivity confirmed — config applied permanently."
 else
-    warn "No network connectivity detected after 30 seconds — reverting to previous config."
-    kill "$NETPLAN_PID" 2>/dev/null || true
-    wait "$NETPLAN_PID" 2>/dev/null || true
-    die "Config reverted. Check your settings and try again."
+    warn "No network connectivity detected after 30 seconds — reverting to backup config."
+    if [ -f "$BACKUP_FILE" ]; then
+        cp "$BACKUP_FILE" "$NETPLAN_FILE"
+        netplan apply
+        die "Config reverted to backup. Check your settings and try again."
+    else
+        die "No backup found to revert to. Restore $NETPLAN_FILE manually."
+    fi
 fi
 
 STATIC_ADDR="${STATIC_IP%%/*}"