[coreboot] Lenovo T400 boot screen problem

Andreas Kuss akuss at gmx.net
Tue Apr 21 16:01:22 CEST 2015


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Dear coreboot developers,

I successfully flashed a Lenovo T400 notebook with the latest release
of libreboot. Unfortunately the boot screen does not exactly look like
it should. I can only see the right half of the screen (on the left
side of the display), the rest is black.  Here is what it looks like:
https://i.imgur.com/LqAdmmK.jpg

The display is a FRU 42T0597 (B141PW03 V.0) PW AUO WXGA+ (1440x900).

I checked the RAM (2x4GB Crucial both individually and 1x2GB) with no
change. I also booted a Parabola live CD which seems to work but has
no affect on the screen.

Francis Rowe suspects a bug in coreboot and advised me to subscribe to
the mailing list.

Has anyone experienced something similar? Any help would be much
appreciated! Thanks for reading!

Kind regards
Andreas
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