Problem with video output switching

From ThinkWiki
Revision as of 10:55, 30 May 2006 by Fschmitt (Talk | contribs) (Problems with ATI chipsets)

Jump to: navigation, search

Affected Models

Problem Description

Problems with Intel chipsets

Disabling the internal LCD (e.g. when using an external Monitor) doesn't seem to work reliably.

  • 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).
  • i855crt doesn't seem to allow to change the state of the internal LCD.
  • With ibm-acpi, # echo lcd_disable >/proc/acpi/ibm/video works, but # 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 ctrlaltF1 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.

Problems with ATI chipsets

  • It is a known issue of xorgs radeon driver that FnF7 doesn't work.

You might try the following: Hit Ctrl+Alt+F1 to switch to a console, hit Fn+F7 to switch video, hit Ctrl+Alt+F7 to switch back to X.

Related Links

Solutions

None (yet).