I do have the laptop function keys, but when I press the FN + F5 it just makes the screen flash for a split second without switching it.
The Acers have a "Fn" key modifier but the various models are not consistent about which key goes to what: some models have
and on some models this is reversed. If i remember correctly i needed to adjust that in the BIOS of my own Acer E5-774G so that the F<n>-keys are working normally without having to press <Fn> each time. Try "F5" alone (without the <Fn> key) as this may switch the screen.
I hope this helps.
bakunin
PS: you may need this link with a manual for your laptop
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Hey,
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Hi
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Discussion started by: Junaid Subhani
2 Replies
LEARN ABOUT REDHAT
glutkeyboardupfunc
glutKeyboardUpFunc(3GLUT) GLUT glutKeyboardUpFunc(3GLUT)NAME
glutKeyboardUpFunc - sets the keyboard up (key release) callback for the current window.
SYNTAX
void glutKeyboardUpFunc(void (*func)(unsigned char key,
int x, int y));
ARGUMENTS
func The new keyboard up callback function.
DESCRIPTION
glutKeyboardFunc sets the keyboard up (key release) callback for the current window. When a user types into the window, each key release
matching an ASCII character will generate a keyboard up callback. The key callback parameter is the generated ASCII character. The state of
modifier keys such as Shift cannot be determined directly; their only effect will be on the returned ASCII data. The x and y callback
parameters indicate the mouse location in window relative coordinates when the key was pressed. When a new window is created, no keyboard
callback is initially registered, and ASCII key strokes in the window are ignored. Passing NULL to glutKeyboardFunc disables the generation
of keyboard callbacks.
During a keyboard up callback, glutGetModifiers may be called to determine the state of modifier keys when the keystroke generating the
callback occurred.
To avoid the reporting of key release/press pairs due to auto repeat, use glutIgnoreKeyRepeat to ignore auto repeated keystrokes.
There is no guarantee that the keyboard press callback will match the exact ASCII character as the keyboard up callback. For example, the
key down may be for a lowercase b, but the key release may report an uppercase B if the shift state has changed. The same applies to sym-
bols and control characters. The precise behavior is window system dependent.
Use glutSpecialUpFunc for a means to detect non-ASCII key releases.
SEE ALSO
glutKeyboardFunc, glutSpecialUpFunc, glutSpecialFunc, glutCreateWindow, glutMouseFunc, glutSpaceballButtonFunc, glutButtonBoxFunc, glut-
TabletButtonFunc, glutGetModifiers, glutIgnoreKeyRepeat
AUTHOR
Mark J. Kilgard (mjk@nvidia.com)
GLUT 3.7 glutKeyboardUpFunc(3GLUT)