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Talking to you for a while on chat it turned out that env | egrep 'INTEL|GL|MESA' showed you have LIBGL_ALWAYS_SOFTWARE=1 set. That's your problem. Per the documentation for LIBGL_ALWAYS_SOFTWARE, that disables all hardware rendering. When you use sudo to try driconf as root, sudo was removing it from the environment. You need to find where that is set, ...


Scan codes are the same on all PC keyboards (except that there is variation with multimedia keys). They are determined by the position of the key, not by the labels on the keys (in fact the labels on the keys have no relationship whatsoever with the electric signals sent by the keyboard). So for a German (QWERTZ) keyboard, simply swap y and z. hdparm ...

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