Re: [Buster]: Can't start X: no screens found(EE)

[Felix Miata <mrmazda@earthlink.net>]

local10 composed on 2018-08-27 18:07 (UTC+0200):

> # grep "(EE)" .local/share/xorg/Xorg.0.log
> (WW) warning, (EE) error, (NI) not implemented, (??) unknown.
> [  1102.702] (EE) open /dev/dri/card0: No such file or directory
> [  1102.702] (EE) open /dev/dri/card0: No such file or directory
> [  1102.703] (EE) Unable to find a valid framebuffer device
> [  1102.703] (EE) open /dev/fb0: No such file or directory

These suggest you are missing a firmware package for your Radeon HD 4200.
firmware-linux & firmware-linux-non-free are meta packages. Likely you only need
firmware-amd-graphics and/or firmware-linux-free and/or firmware-misc-nonfree.
-- 
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 Team OS/2 ** Reg. Linux User #211409 ** a11y rocks!

Felix Miata  ***  http://fm.no-ip.com/