Please add the following lines at the end of file /boot/config.txt
-------
framebuffer_depth=32
framebuffer_ignore_alpha=1
gpu_mem=128
-------
The file config.txt is used by the kernel.img (or kernel7.img) in the
/boot partition.
For more options on config.txt see
http://elinux.org/RPi_config.txt
Have a nice day,
Franz Lückl
Next IT Level GmbH
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