Problem with video output switching - Revision history

Blshkv: /* Related Links */

2009-10-31T03:05:19Z

‎Related Links

2008-09-02T08:35:04Z

‎Problems with NVidia chipsets

2008-09-02T08:31:58Z

‎Problems with NVidia chipsets

2008-05-28T09:27:50Z

also mention T61 with nvidia driver and nvidia-settings tool as a solution

2008-04-04T20:34:47Z

‎Problem Description

2008-04-04T20:34:08Z

‎Problems with ATI chipsets

2008-04-04T20:19:09Z

‎Problems with Intel chipsets

2008-04-04T20:18:26Z

‎Problems with Intel chipsets

2008-02-25T19:28:24Z

‎With the fglrx driver

2008-02-07T15:57:10Z

@@ Line 158: / Line 158: @@
 ==Related Links==
-*https://bugs.freedesktop.org/show_bug.cgi?id=2000
+* https://bugs.freedesktop.org/show_bug.cgi?id=2000
 ==Solutions==

@@ Line 154: / Line 154: @@
 which is best left with the save default (LVDS enabled).
-A simple command line tool to switch displays is here: Problem_with_nvidia_output_switching
+A simple command line tool to switch displays is here:
 ==Related Links==

@@ Line 147: / Line 147: @@
 T61 with NVidia Quadro 140 NVS chipset also doesn't switch video output on Fn+F7 key
-(teste 2008-05-28 with Ubuntu 8.04 amd64 and nvidia proprietory driver).
+(tested 2008-05-28 with Ubuntu 8.04 amd64 and nvidia proprietory driver).
 If the nvidia proprietory driver is used: it includes a tool "nvidia-settings". With this
@@ Line 153: / Line 153: @@
 the first output to switch displays). Pressing "Apply" is enough, no need to save the config -
 which is best left with the save default (LVDS enabled).
 ==Related Links==

← Older revision		Revision as of 09:27, 28 May 2008
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	I have fixed the problem on my T42 by switching to the generic VESA driver in xorg.conf, and rebooting, as mentioned on the xorg bug page above. None of the other solutions worked.		I have fixed the problem on my T42 by switching to the generic VESA driver in xorg.conf, and rebooting, as mentioned on the xorg bug page above. None of the other solutions worked.
		+
		+	===Problems with NVidia chipsets===
		+
		+	T61 with NVidia Quadro 140 NVS chipset also doesn't switch video output on Fn+F7 key
		+	(teste 2008-05-28 with Ubuntu 8.04 amd64 and nvidia proprietory driver).
		+
		+	If the nvidia proprietory driver is used: it includes a tool "nvidia-settings". With this
		+	tool you can enable the other output (select "configure" and "Twinhead" and then disable
		+	the first output to switch displays). Pressing "Apply" is enough, no need to save the config -
		+	which is best left with the save default (LVDS enabled).

	==Related Links==		==Related Links==

@@ Line 5: / Line 5: @@
 ==Problem Description==
-External video output is not working, or it is not possible, using the  FN-F7 key, to switch between the LCD and the external monitor in the following way:
+External video output is not working, or it is not possible, using the {{key|Fn}}{{key|F7}} key, to switch between the LCD and the external monitor in the following way:
   LCD --> external Monitor--> both -->LCD
 However ''cloning'' is possible for the Intel chipsets, see below.

@@ Line 50: / Line 50: @@
 The {{cmdroot|radeontool light off}} and {{cmdroot|radeontool dac off}} commands will disable the LCD and CRT if they're been enabled before in the X server, but the corresponding {{cmdroot|radeontool light on}} and {{cmdroot|radeontool dac on}} will not work if the displays have were not enabled when the X server started. Also note that turing off the CRT using this command will not reduce power consumption, nor allow [[fglrx]] to enable power saving modes.
-You might try the following: Hit Ctrl+Alt+F1 to switch to a console, hit Fn+F7 to switch video, hit Alt+F7 to switch back to X.
+You might try the following:
+# Hit {{key|Ctrl}}{{key|Alt}}{{key|F1}} to switch to a console
 * Similar problems exist with XFree86 4.3 and its radeon driver
-You '''can''' switch the display off after switching to tty1 (STRG+ALT+F1) by
+You '''can''' switch the display off after switching to tty1 ({{key|Ctrl}}{{key|Alt}}{{key|F1}}) by
    * pressing FN+F7 or
    * executing ''echo crt_disable > /proc/acpi/ibm/video'' as root

@@ Line 42: / Line 42: @@
 * i855crt works see: http://stefan.desire.ch/howto/x41debian/#graphics for details.
-* With [[ibm-acpi]], {{cmdroot|echo lcd_disable >/proc/acpi/ibm/video}} works, but {{cmdroot|echo lcd_enable >/proc/acpi/ibm/video}} doesn't work - so one can't enable it anymore after disabling it. (the strange thing is that when switching to a console with {{key|ctrl}}{{key|alt}}{{key|F1}} the LCD display is used for it, so there must be some way to enable it but I can't find out how to control this in X). I've tried this with version 0.8 and version 0.11 of [[ibm-acpi]].
+* With [[ibm-acpi]], {{cmdroot|echo lcd_disable >/proc/acpi/ibm/video}} works, but {{cmdroot|echo lcd_enable >/proc/acpi/ibm/video}} doesn't work - so one can't enable it anymore after disabling it. (the strange thing is that when switching to a console with {{key|Ctrl}}{{key|Alt}}{{key|F1}} the LCD display is used for it, so there must be some way to enable it but I can't find out how to control this in X). I've tried this with version 0.8 and version 0.11 of [[ibm-acpi]].
 ** {{key|Fn}}{{key|F7}} lets me enable the internal LCD after I disabled it with {{cmdroot|echo lcd_disable >/proc/acpi/ibm/video}} on my X41 but it corrupts the crt out

@@ Line 20: / Line 20: @@
    Option          "Clone" "true"
    Option          "MonitorLayout" "CRT,LFP"
-however you can not switch between these screens as described above, once you use FN-F7 the cloned display is lost.
+however you can not switch between these screens as described above, once you use {{key|Fn}}{{key|F7}} the cloned display is lost.
 * i810switch doesn't have any effect. After disabling the LCD it is still on (but the status display of i810switch claims that is is switched off).

← Older revision		Revision as of 19:28, 25 February 2008
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	Alternative solution: {{path\|fglrx}} 8.28.8 will recognize {{key\|Fn}}{{key\|F7}} directly, if the key is enabled. This obviates the need for scripts which call aticonfig. To enable the hotkey, issue the command {{cmdroot\|echo enable,0xffff >/proc/acpi/ibm/hotkey}}. You'll want to have this run both at boot time, and after resume (on my T43, the hotkey mask is reset on resume). For Ubuntu, I've put a script with the command in both the {{path\|/etc/acpi/resume.d}}, and {{path\|/etc/acpi/start.d}} directories.		Alternative solution: {{path\|fglrx}} 8.28.8 will recognize {{key\|Fn}}{{key\|F7}} directly, if the key is enabled. This obviates the need for scripts which call aticonfig. To enable the hotkey, issue the command {{cmdroot\|echo enable,0xffff >/proc/acpi/ibm/hotkey}}. You'll want to have this run both at boot time, and after resume (on my T43, the hotkey mask is reset on resume). For Ubuntu, I've put a script with the command in both the {{path\|/etc/acpi/resume.d}}, and {{path\|/etc/acpi/start.d}} directories.

		+	'''NOTE:''' This command will not enable video output swtiching on a T60p running Ubuntu 7.10. Executing this command will cause problem with the volume control keys and a few of the function keys (Ex. FN-F5 will no longer toggle Bluetooth).
	----		----

@@ Line 1: / Line 1: @@
 ==Affected Models==
 *ThinkPad {{T40}}, {{T40p}}, {{T41}}, {{T41p}}, {{T42}}, {{T42p}}, {{T43}}, {{T43p}}, {{T60}}, {{T61}}
 *ThinkPad {{X22}}, {{X23}}, {{X31}}, {{X41}}, {{X60}}, {{X60s}}