2
+
7
Toggle Output Settings
Compaq
[Fn] + [F4]
[Fn] + [F8]
Dell
Gateway
[Fn] + [F4]
Hewlett Packard [Fn] + [F4]
IBM
[Fn] + [F7]
NEC
[Fn] + [F3]
Toshiba
[Fn] + [F5]
Mac Apple :
System PreferencesDisplay
ArrangementMirror display
Q S C
1
6
4
3
5