diff --git a/install/calculate b/install/calculate
index 5da9fc0..7c472d2 100755
--- a/install/calculate
+++ b/install/calculate
@@ -1368,8 +1368,10 @@ sub checksystem{
 		if($data{vendor}=~m/^\s+$/ || $data{vendor}=~m/Chassis Manufacture/){
 			$data{vendor} = 'Chassis Manufacture';
 		}
-
-		if(-e "/sys/class/dmi/id/board_name" && `cat /sys/class/dmi/id/board_name | grep "Portable PC"`){
+		if(
+			(-e "/sys/class/dmi/id/board_name" && `cat /sys/class/dmi/id/board_name | grep "Portable PC"`) ||
+			(-e "/sys/class/dmi/id/chassis_type" && `cat /sys/class/dmi/id/chassis_type  | grep "10"`)
+		){
 			$data{laptop} = lc($data{vendor});
 			$data{laptop_model} = `cat /sys/class/dmi/id/product_name`;
 			chomp ($data{laptop_model});