Mac OS X: No video after changing resolutions in Display preferences

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09-27-2008

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Mac OS X: No video after changing resolutions in Display preferences

If you deselect the checkbox for "Show modes recommended by display" and then choose a non-recommended resolution, the display may go blank (display no image). Note: This document applies to Mac OS X 10.0 through 10.3.9. If you deselect the checkbox for "Show modes recommended by display" and then choose a non-recommended resolution, the display may go blank (display no image).

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LEARN ABOUT HPUX

xhpgetservermode

XHPGetServerMode(3X)													      XHPGetServerMode(3X)

NAME

       XHPGetServerMode - Get the mode of the specified screen.

SYNOPSIS

       int
       XHPGetServerMode (display, screen)
	    Display	     *display;
	    int 	     screen;

ARGUMENTS

       display	   Specifies the connection to the X server.

       screen	   Specifies the number of the screen whose mode is requested.

DESCRIPTION

       This request enables a client program to determine the mode of a screen.  The mode returned is an integer that can be compared against one
       of the predefined modes.  The following modes are defined:

       XHPOVERLAY_MODE		     The X server is running in the overlay planes.

       XHPIMAGE_MODE		     The X server is running in the image planes.

       XHPSTACKED_SCREENS_MODE	     The X server is running with the overlay and image planes on different screens.

       XHPCOMBINED_MODE 	     The X server is running in both the overlay and image planes.

       These constants can be obtained by including the file /usr/include/X11/XHPproto.h.

       If an invalid screen number is used, a -1 will be returned by this request.

DIAGNOSTICS

       The return value indicates success or failure.

RETURN VALUE

       This request returns the display mode if the request is successful, and a -1 if an invalid screen id is used.

FILES

       /usr/include/X11/XHPproto.h

ORIGIN

       Hewlett-Packard Company

X Version 11							     Release 5						      XHPGetServerMode(3X)

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