Replace all secondary flags with bitflags stored in the flags_2 var

code/modules/modular_computers/computers/item/computer_damage.dm

@@ -17,7 +17,7 @@
 	break_apart()
 
 /obj/item/device/modular_computer/proc/break_apart()
-	if(!(flags & NODECONSTRUCT))
+	if(!(flags_1 & NODECONSTRUCT_1))
 		physical.visible_message("\The [src] breaks apart!")
 		var/turf/newloc = get_turf(src)
 		new /obj/item/stack/sheet/metal(newloc, round(steel_sheet_cost/2))

code/modules/modular_computers/computers/item/laptop.dm

@@ -12,6 +12,9 @@
 	max_hardware_size = 2
 	w_class = WEIGHT_CLASS_NORMAL
 
+	// No running around with open laptops in hands.
+	flags_2 = SLOWS_WHILE_IN_HAND_2
+
 	screen_on = 0 		// Starts closed
 	var/start_open = TRUE	// unless this var is set to 1
 	var/icon_state_closed = "laptop-closed"
@@ -21,9 +24,6 @@
 /obj/item/device/modular_computer/laptop/Initialize()
 	. = ..()
 
-	// No running around with open laptops in hands.
-	SET_SECONDARY_FLAG(src, SLOWS_WHILE_IN_HAND)
-
 	if(start_open && !screen_on)
 		toggle_open()