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| author | Frans Pop <elendil@planet.nl> | 2008-10-03 18:40:51 +0000 |
|---|---|---|
| committer | Frans Pop <elendil@planet.nl> | 2008-10-03 18:40:51 +0000 |
| commit | 25e826383aad600be87cf771d0094f43783d85ec (patch) | |
| tree | 250f78bd15c9e9cde1fc5dd4fc26fded83306323 /en/boot-installer | |
| parent | e309eaa54f7080b902a48413d7a775b4ef5ddf83 (diff) | |
| download | installation-guide-25e826383aad600be87cf771d0094f43783d85ec.zip | |
Some laptops show a blank display with the vga16 framebuffer, but work correctly with the VESA framebuffer
Diffstat (limited to 'en/boot-installer')
| -rw-r--r-- | en/boot-installer/trouble.xml | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/en/boot-installer/trouble.xml b/en/boot-installer/trouble.xml index 694b34a1a..bb3931c56 100644 --- a/en/boot-installer/trouble.xml +++ b/en/boot-installer/trouble.xml @@ -321,11 +321,29 @@ disables this test. </para><para> +Some systems (especially laptops) that have a native resolution that is not +a 4:3 ratio (i.e. not for example 800x600 or 1024x768) may have a blank +display after the installer has been booted. In that case adding the boot +parameter <userinput>vga=788</userinput><footnote> + +<para> +The parameter <userinput>vga=788</userinput> will activate the VESA +framebuffer with a resolution of 800x600. This will probably work, but may +not be the optimal resolution for your system. A list of supported +resulutions can be obtained by using <userinput>vga=ask</userinput>, but +you should be aware that list may not be complete. +</para> + +</footnote> may help. If that does not work, +try adding the boot parameter <userinput>fb=false</userinput>. + +</para><para> + If your screen begins to show a weird picture while the kernel boots, eg. pure white, pure black or colored pixel garbage, your system may contain a problematic video card which does not switch to the framebuffer mode properly. Then you can use the boot parameter -<userinput>fb=false video=vga16:off</userinput> to disable the framebuffer +<userinput>fb=false</userinput> to disable the framebuffer console. Only a reduced set of languages will be available during the installation due to limited console features. See <xref linkend="boot-parms"/> for details. |